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Old 02-01-2005, 12:51 AM   #1
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Default TRF Shock rebuild

I have just rebuilt my TRF shocks for my mi2
I filled the shocks with oil (35w schuey oil) to the top of the housing so there was no air in the shock, but although the shock feels very smooth I get full rebound from the shaft (shaft extends to it's full extension).

Is that wrong and if so Why?
What will it cause/

Also my front two shocks had a red damper rubber between the top of the bladder and the housing, but the rear did not, should I have put it back and why.

The shocks came on the car when i purchased it second hand, so it's the first time I have had them apart, so i'm not sure what normal should be.

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Old 02-01-2005, 05:46 AM   #2
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all TRF dampers comes with that red foam on the blader.

i sugguest you to put it back
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Old 02-01-2005, 06:06 AM   #3
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I believe that most people don't use the red foams on top of the bladders.

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Old 02-01-2005, 08:30 AM   #4
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if you take the foam out it will allow the bladder to compress and you shouldn't get that harsh rebound. I don't use them in mine.
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Old 02-01-2005, 10:05 AM   #5
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actually... if you look at setup sheets for TRF cars with TRF shocks, almost all of them use the red foam. You might feel like it's a 'hard' rebound, but once the shock's built with a spring on it, the spring still over powers it. It's there so you get a consistant rebound rate through out the rebound stroke. You can even change the rebound rate with same oil by replacing the red foam with black or clear o-rings. These are best shocks on the market for a reason.. no other shocks let you do that (well, I think you can now come close with Rayspeed optional parts with Yok shocks)
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Old 02-01-2005, 05:13 PM   #6
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I gotta admit it was something that I was worried about a bit when I first built my shock but..... I've not had a problem with the car's handling. Its great so bring on the red urethane!!
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