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 Old 02-01-2010, 09:53 AM   #1
 
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Default 1st Gen Forge BPV

What spring and how many shims would u use with mods like CAI,DP,RP?
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 Old 02-01-2010, 09:55 AM   #2
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blue and 2 shims is what most will answer.


in reality only u can determine what works best for your car.....use the biggest spring u can, that is drivable to you
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 Old 02-01-2010, 11:32 AM   #3
 
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blue +2... but like he said ^ - try out what works best for you

with those mods - you may wanna go red +0... but thats not very daily driver friendly if you ask me
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 Old 02-01-2010, 01:13 PM   #4
 
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ok thx
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 Old 02-01-2010, 04:44 PM   #5
 
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I have just gotten mine and set it up blue +1 as per reading on this forum. It seems to work great but i have gotten a pop from the exhaust once or twice, im thinking i need to remove the shim.

Anyone have input?
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 Old 02-01-2010, 04:51 PM   #6
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Originally Posted by FULLBLOWN View Post
I have just gotten mine and set it up blue +1 as per reading on this forum. It seems to work great but i have gotten a pop from the exhaust once or twice, im thinking i need to remove the shim.

Anyone have input?
The exhaust does that, it's normal.

What are your mods?
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 Old 02-01-2010, 05:05 PM   #7
 
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I didnt receive any afterfire or popping previous to the installation of the bpv. I only have a sri and i run 93 octane, untuned.
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 Old 02-01-2010, 06:12 PM   #8
 
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Red, ftw w. DP,RP,TIP,CAI
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 Old 02-02-2010, 01:43 PM   #9
 
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i have sri,tip, tp and dp. im running blue with 2 shims should i switch to red? i do get alot of backfire, but it doesnt bother me too much. whats the advantage of running a stiffer spring?
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 Old 02-02-2010, 07:39 PM   #10
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Originally Posted by FULLBLOWN View Post
I didnt receive any afterfire or popping previous to the installation of the bpv. I only have a sri and i run 93 octane, untuned.
Coincidence
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 Old 02-02-2010, 08:15 PM   #11
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I got backfire with and without the Forge with blue/2 shims! The messed up thing I have a stock downpipe!
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 Old 02-02-2010, 08:21 PM   #12
 
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Originally Posted by Hectik1 View Post
I got backfire with and without the Forge with blue/2 shims! The messed up thing I have a stock downpipe!
but no resonators? mine only backfired when i took those out.
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 Old 02-03-2010, 04:56 PM   #13
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Originally Posted by dizzin9 View Post
but no resonators? mine only backfired when i took those out.
Both resonators. Gutted 2nd cat and no muffler.
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 Old 02-03-2010, 06:24 PM   #14
 
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Originally Posted by Hectik1 View Post
Both resonators. Gutted 2nd cat and no muffler.
well, there ya go
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