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Old 10-10-2007, 06:45 PM   #1
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Some info on Piper cams stage 2 and 3 +Ragnoracks.

OK we found that the Ragnorack Race cams have the same stamping on the side: BP320 as the stage 3 cams from Piper.
The only thing is, that Brett(ragnorack) once told us that he had them custom made to his specs.....but that was (maybe) bull$hit as we have no clue and no cam doctor to find out for sure if he had made a special grind just for him.
Anyways ...after tearing up the engine and replacing the valves ...just as we where reinstalling the VVTL sprocket, it wasn't fully getting in...and as much as we tried it was a hair off.
Then we tried it on another sprocket that was apart and we could see that the cam sprocket wasn't getting in either.
We had to slightly grind some material off to have it fully sit in, and this fixed the problem.
This was on 240MAX(Herman) car.

Now back to my engine build....
As I was about to put in the VVTL sprocket today( I have Piper Stage 2 cams)..surprise surprise the sprocket didn't fit....So I took a used sprocket and took it apart so we can see better...


and the same sprocket on the stock cam...



I measured the lip(I have no clue what you call this part) on Pipers cam.. and I get: 0.635"




and stock the stock cam I get: 0.628"






So we have a difference of 0.007", enough so it doesn't fit properly.
This might make the VVT not working properly as the oil pressure might be escaping from the side.
This explains the first Dynos we did on the RR cams (2 hours of dyno tuning) and as much as we played with the VVTL nothing was happening.

We think the stage 2 and 3 have a slight manufacturing flaw....but we haven't measured or retested any other cam to be 100% shure about it.

Now there has been a lot of Piper cams that have been sold, and I have yet to hear of this.
Any feedback from Piper cam owners?
are you shure your vvt is working?
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Old 10-10-2007, 07:03 PM   #2
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We got our Stage 3's yesterday. We'll be installing them very soon, I'll keep you posted on any problems we encounter.
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Old 10-10-2007, 07:27 PM   #3
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Holy shyt...that's not good. NICE CATCH!!!
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Old 10-10-2007, 07:35 PM   #4
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Huh - I will have to measure the set I have here. How would you not have caught the cam sprocket not fully seated and also the chain not lining up? I would think taht would have been pretty obvious.
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Old 10-10-2007, 08:01 PM   #5
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Quote:
Originally Posted by Boosted2.0
Huh - I will have to measure the set I have here. How would you not have caught the cam sprocket not fully seated and also the chain not lining up? I would think taht would have been pretty obvious.
Not if it's just a hair off, you just need a bit not properly seated and you wouldn't have full pressure in the vvt.


Another thing we measured the small lobe on the stage 2 and 3 and they have exactly the same lift and only differ on the big cam(obviously).
Then why(I'm speculating), if the small lobes are the same then take look at MWR dyno:

Why did they loose power on the small lobe?
Is it possible that the VVT wasn't working as it was supposed to?
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Old 10-10-2007, 10:00 PM   #6
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does it work or not?
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Old 10-10-2007, 10:35 PM   #7
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thanks for the pix Many, i send a link of the pix to my shop so that they can make sure they install it right.
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Old 10-11-2007, 12:21 AM   #8
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interesting. Redliner didn't you have problems w/pipers stg2? I don't remember what the specific problem was but something similar wasn't it?
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Old 10-11-2007, 03:59 AM   #9
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Interesting.. the stage 2 crower cams for the 1zz are also slightly larger..
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Old 10-11-2007, 06:37 AM   #10
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stage 2 crower dont fit right on the 1zz??
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Old 10-11-2007, 07:51 AM   #11
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yeah paras, the crowers were a bit large for the vvti sprocket, it took some coaxing to get in (hint: rubber mallet). Whats up with these aftermarket cam makers?
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Old 10-11-2007, 09:45 AM   #12
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Quote:
Originally Posted by JO_CELICA
does it work or not?
You will get a CEL 1349. If the VVTI is not working.

Quote:
Originally Posted by drewd
Interesting.. the stage 2 crower cams for the 1zz are also slightly larger..
yeh true.
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Actually it means a large gain in Horsepower. Backpressure = loss of power. It is not good or helpful in any way.
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Old 10-11-2007, 12:15 PM   #13
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jcan i ll be getting cams in mid november . stage 2
can i expect an explanation that i could provide my tuner with .this will be the first corolla worked on my him and i supposer mine will be the fastest in the country. there is one more turbo rolla but its an automatic and hes running stock internals and safe boost.
thanks
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Old 10-11-2007, 12:29 PM   #14
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Quote:
Originally Posted by JO_CELICA
does it work or not?
Yes! (read 240max trials at the track). However, you need to remove a lil bit of material from the piper shaft to have your vvt work properly. Many and 240max tested 1 stage 2 and one stage 3 cam and both had the problem. I am pretty sure my stage 2 will have the same problem as well as (most likely) all other piper cams .. Be careful!!
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Old 10-11-2007, 12:34 PM   #15
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I don't know about the vvt not working on MWR dyno of stage 3. Why was it working on stage 2 then?? Not all cams have that problem possibly!!?? who knows!! It's most likely another factor. On the big lobe though, it is possible that the longer duration of stage 3 cams were more or less impacted by the vvt not responding properly ..
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Old 10-11-2007, 05:51 PM   #16
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Paras, I'll PM you so we dont hijack this thread.
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Old 10-11-2007, 07:00 PM   #17
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Ragnorak Cams

I have the Ragnorak Cams in my Celica with upgraded Valve springs from MWR and it all runs great. I was never really sure how much power they gave me because I installed the Cams with my Blitz SC. However, I did replace the shims on installation.
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Old 10-12-2007, 03:47 AM   #18
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Quote:
Originally Posted by 2000TRDSC
I have the Ragnorak Cams in my Celica with upgraded Valve springs from MWR and it all runs great. I was never really sure how much power they gave me because I installed the Cams with my Blitz SC. However, I did replace the shims on installation.
do you have the street cam or race cams from RR and do you dyno it before or after. on the side off the cams do you see a borroring (punch) from piper...it will be print in the cams bp285 or bp320.....thank and soory for my english
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Old 10-12-2007, 09:56 AM   #19
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He told me he went with the street cams when I saw him at HIN here in NY. He also said that he could've gotten away with the race cams if he wanted to.
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Old 10-12-2007, 10:02 AM   #20
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Quote:
Originally Posted by many
MWR dyno:

Why did they loose power on the small lobe?
Is it possible that the VVT wasn't working as it was supposed to?
Variation of 1% between different pulls on a dyno is still very good. We didn't "lose power", it just happened to be slightly lower on that pull. If VVT wasn't working the curve would be a very different shape. The car was warmer, colder, whatever.

We've never seen any VVT issues with the Pipers. If the fit is too tight that would just make install more difficult. If it didn't fully seat it would be very obvious. I did that tuning and can tell you the VVT responded as it's supposed to.
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Old 10-12-2007, 06:04 PM   #21
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Old 10-13-2007, 01:01 AM   #22
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sorry for thread jacking

hey matt i need some advice if i should go for stage 2 or stage 3 cams on my 1zz corolla. i am going to get a stand alone and spring n retainers for sure .but that is bout all i can afford at the moment. later in the future(1 yr later) i ll be going for better rods n other internals
btw this is a daily drive.
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Old 10-13-2007, 02:21 AM   #23
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DE DE DEEE
FIT and I tried to explain the vvt-i problem but whatever..
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Old 10-13-2007, 03:14 PM   #24
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I measured the stage 3s I have for Badcelis car today and it came up on the brink between 0.630" and 0.629"

Should fit fine. I'll just toss the cam in the freezer for a few hours before I install the VVTI actuator.
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Old 10-13-2007, 08:42 PM   #25
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Quote:
Originally Posted by Boosted2.0
I measured the stage 3s I have for Badcelis car today and it came up on the brink between 0.630" and 0.629"

Should fit fine. I'll just toss the cam in the freezer for a few hours before I install the VVTI actuator.
SMART!!!
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Old 10-13-2007, 10:19 PM   #26
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Quote:
Originally Posted by GTsRasta
Quote:
Originally Posted by Boosted2.0
I measured the stage 3s I have for Badcelis car today and it came up on the brink between 0.630" and 0.629"

Should fit fine. I'll just toss the cam in the freezer for a few hours before I install the VVTI actuator.
SMART!!!
Ovens and freezers are your friend. Guys have been doing that to install pres fit components when they didn't have a press for years and years.
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Old 10-14-2007, 01:42 AM   #27
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really?
wow that cool cold shrinks hot expands LOL
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Old 10-14-2007, 08:08 AM   #28
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Dry-ice is your friend if you have a supplier near you. The metal will screech or vibrate sometimes when you first drop it on the ice. Don't use with light delicate parts though. Make sure you wear heavy gloves. It is so cold it will "burn" you.

There is an ice cream maker near me who uses dri-ice in the delivery trucks instead of freezers in the trucks. They make dri-ice almost every day. They always have extra you can buy.
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Old 10-14-2007, 10:59 AM   #29
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I'm down at 0.632 sanding it for about 1 hour yesterday with grit 600 paper ... I'll give a bit more sanding later on and do you're trick..thanks for the tip Boosted!
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Old 10-14-2007, 02:46 PM   #30
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All the safeways around my house actaully sell dry ice year round so you could just try one of those if you need some.
Quote:
Originally Posted by grumpy
Dry-ice is your friend if you have a supplier near you. The metal will screech or vibrate sometimes when you first drop it on the ice. Don't use with light delicate parts though. Make sure you wear heavy gloves. It is so cold it will "burn" you.

There is an ice cream maker near me who uses dri-ice in the delivery trucks instead of freezers in the trucks. They make dri-ice almost every day. They always have extra you can buy.
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Old 10-14-2007, 02:58 PM   #31
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Quote:
Originally Posted by grumpy
Dry-ice is your friend if you have a supplier near you. The metal will screech or vibrate sometimes when you first drop it on the ice. Don't use with light delicate parts though. Make sure you wear heavy gloves. It is so cold it will "burn" you.

There is an ice cream maker near me who uses dri-ice in the delivery trucks instead of freezers in the trucks. They make dri-ice almost every day. They always have extra you can buy.
This is why it's good to work in science. Why mess around with that solid CO2 namby pamby stuff when you can get some liquid N2.
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Old 10-14-2007, 07:02 PM   #32
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This is why it's good to work in science. Why mess around with that solid CO2 namby pamby stuff when you can get some liquid N2.
You Mad Doctors get all the fun stuff to play with.
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Old 10-14-2007, 09:53 PM   #33
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Quote:
Originally Posted by 22xy
Quote:
Originally Posted by grumpy
Dry-ice is your friend if you have a supplier near you. The metal will screech or vibrate sometimes when you first drop it on the ice. Don't use with light delicate parts though. Make sure you wear heavy gloves. It is so cold it will "burn" you.

There is an ice cream maker near me who uses dri-ice in the delivery trucks instead of freezers in the trucks. They make dri-ice almost every day. They always have extra you can buy.
This is why it's good to work in science. Why mess around with that solid CO2 namby pamby stuff when you can get some liquid N2.
Once you start to mess around with liquid N2 are you worried about making the metal more brittle?
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Actually it means a large gain in Horsepower. Backpressure = loss of power. It is not good or helpful in any way.
Quote:
Originally Posted by SunshineJenn03 View Post
Let me tell you, I don't know anyone who sees an SRT4 on the road and says, "Wow, I'd like to drive one of those!!!!1!!one!" Instead, they are saying, "Look, another ugly Neon."
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Old 10-14-2007, 10:08 PM   #34
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Quote:
Originally Posted by Boosted2.0
I measured the stage 3s I have for Badcelis car today and it came up on the brink between 0.630" and 0.629"

Should fit fine. I'll just toss the cam in the freezer for a few hours before I install the VVTI actuator.

Dam, good thinking!
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Old 10-15-2007, 06:37 AM   #35
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alright guys, i piad a visit to LR and we ran into some problems with the piper stg 2.
getting the vvt thing on the intake shaft fit pretty well. no sanding neccesary. so when we finally got the motor back to running, we drove around. well vvt wasnt working and lift would only go to 7. so we wen back to his place and we pulled the cams out and we found some junk in the cams. (teflon tape) so he cleaned out the inside of the cams and sure enough some junk came out. so he then proceeded to openeing the vvt mechanism, and he cleaned that out. he put it back together and then it ran like a champ. no problems whatsoever. the motor pulls strong down low and pulls alot harder in lift. this mod was well worth the money. and i have no regrets.
drivability is much better and the rev range is alot smoother.
that is my only mod besides taking out the butterfly valve. so the cams sound stock. except around 4 to 8.4 it sounds more throaty.
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Old 10-15-2007, 12:38 PM   #36
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So there was crap in the cams when they came from piper eh?

who the hell puts teflon tape inside a cam?
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Old 10-15-2007, 01:08 PM   #37
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Quote:
Originally Posted by adosdrummer
alright guys, i piad a visit to LR and we ran into some problems with the piper stg 2.
getting the vvt thing on the intake shaft fit pretty well. no sanding neccesary. so when we finally got the motor back to running, we drove around. well vvt wasnt working and lift would only go to 7. so we wen back to his place and we pulled the cams out and we found some junk in the cams. (teflon tape) so he cleaned out the inside of the cams and sure enough some junk came out. so he then proceeded to openeing the vvt mechanism, and he cleaned that out. he put it back together and then it ran like a champ. no problems whatsoever. the motor pulls strong down low and pulls alot harder in lift. this mod was well worth the money. and i have no regrets.
drivability is much better and the rev range is alot smoother.
that is my only mod besides taking out the butterfly valve. so the cams sound stock. except around 4 to 8.4 it sounds more throaty.

Interesting...do you think you could've gotten away with the stage 3 race cams? 2000TRDSC thinks he could've with his PFC tuned, Blitz supercharged setup. Are you using the stock ECU?
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Old 10-15-2007, 01:59 PM   #38
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yep, completly stock, pulls like a champ. and all the stock shimings were withen spec, but we changed them out so they would be closer together...i do believe...lol
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Old 10-15-2007, 05:13 PM   #39
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Originally Posted by adosdrummer
alright guys, i piad a visit to LR and we ran into some problems with the piper stg 2.
getting the vvt thing on the intake shaft fit pretty well. no sanding neccesary. so when we finally got the motor back to running, we drove around. well vvt wasnt working and lift would only go to 7. so we wen back to his place and we pulled the cams out and we found some junk in the cams. (teflon tape) so he cleaned out the inside of the cams and sure enough some junk came out. so he then proceeded to openeing the vvt mechanism, and he cleaned that out. he put it back together and then it ran like a champ. no problems whatsoever. the motor pulls strong down low and pulls alot harder in lift. this mod was well worth the money. and i have no regrets.
drivability is much better and the rev range is alot smoother.
that is my only mod besides taking out the butterfly valve. so the cams sound stock. except around 4 to 8.4 it sounds more throaty.
Quote:
Originally Posted by Boosted2.0
So there was crap in the cams when they came from piper eh?

who the hell puts teflon tape inside a cam?
After reading this I went back and removed the cams and removed the end stud/bolt that blocks the inner oil passage(on the stock cams it's a pressed-in metal plug). ...and surprise ....I also had Teflon tape and black "stuff" that came out.
I re-cleaned the threads with a tap and put high temperature thread sealant(from Permatex)......Makes you wonder what the hell is going on at Pipers headquarters.
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Old 10-15-2007, 05:31 PM   #40
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ill have to get my shop to take a look at this as well.
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Old 10-15-2007, 05:49 PM   #41
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Yeah I talked to LR today - he said there was machining debris all through the cam center and in the VVTi controller as well. For anyone that will be installing these themselves - it is important that you flush not ONLY the main bore of the cam behind the blug, but also the VVTi passages at the front of the cam as they are not connected to the main oil passage and are also likely to ocntain debris.

What pisses me off about this is I paid like $700 for my set of HKS cams for the alltrac and they were PERFECT - not even a spec of debris on them. For what piper charges they could at least clean the damn things.

In light of this I think I'll be getting the break in coating on the cams going in Badcelis car.
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Old 10-15-2007, 09:36 PM   #42
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you were planing to coat cams as well?
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Old 10-15-2007, 11:00 PM   #43
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Originally Posted by kortik
you were planing to coat cams as well?
I wasn't before but I am now. Its just a break in coating to keep the lobes from getting damaged if any weirdness happens during initial break in operation. Thats the time when cams are most likely to sustain damage.
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Old 10-16-2007, 07:48 AM   #44
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i think lr saide something about my cams might have a special coating on them to help them break in.... so boosted2.0, call him up and ask him.
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Old 10-16-2007, 07:50 AM   #45
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what kind of coating?
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Old 10-16-2007, 08:28 AM   #46
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Crap, another problem. At the least, they have been proven to work on 240 max so working the cams seems worth it ..

It' s creazy how we need to check everything that is after market for the celica ..

Thx again for the tip boosted!
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Old 10-16-2007, 08:38 AM   #47
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Quote:
Originally Posted by kortik
what kind of coating?
Its similar to a dry film lubricant but its designed to wear off pretty quickly. Its basically there to keep the cam lobes lubricated. Its somehting they can do at Polydyn.

Quote:
Originally Posted by danGTS
Crap, another problem. At the least, they have been proven to work on 240 max so working the cams seems worth it ..

It' s creazy how we need to check everything that is after market for the celica ..

Thx again for the tip boosted!

np
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Old 10-16-2007, 02:31 PM   #48
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Blimey...I'm just glad you guys are all nice enough to share this info with the rest of the community, so thankyou from me
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Old 10-16-2007, 11:31 PM   #49
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Quote:
Originally Posted by 22xy
This is why it's good to work in science. Why mess around with that solid CO2 namby pamby stuff when you can get some liquid N2.
um I can go and pick up liquid N2 as well, some people use is as an alternative to branding cattle with a hot iron, I myself have nothing to do with cows other than when they end up on my plate, but none the less tomorrow I could go down and pick some up and spray it on small children, or parts that don't fit properly
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Old 10-19-2007, 03:31 AM   #50
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man this is crazy, ud think that a company that makes hundredes of cams for all makes of cars would know better! i wonder how many cars are having issues with the cams after install!
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