The weak link[s].... 
FI heads
Thread Starter
TECH Enthusiast
Joined: Jun 2012
Posts: 658
Likes: 1
From: Reno,NV
FI heads probably see 8-10 lbs of boost at most, will stock worked heads be fine or aftermarket?
stock block
stock internals
140k miles
1 7/8 long tubes
CME
FTP lid
02 10 bolt
rebuilt 4L60E with 3000 converter
stock block
stock internals
140k miles
1 7/8 long tubes
CME
FTP lid
02 10 bolt
rebuilt 4L60E with 3000 converter
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the stock heads will be fine for that low boost level. IF you decide you want to step it up some, alot of guys run 317's
on my personal car, i plan to try out a set of LSA heads.
-Casey
on my personal car, i plan to try out a set of LSA heads.
-Casey
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YOUR SOURCE FOR ALL THINGS TURBO!
CASEY@HURONSPEED.COM
Check us out on Facebook at: www.facebook.com/HuronSpeed
TWITTER @HURONSPEED
I run stock 317s at 10.5psi and its fine, a buddy ran Livernois cnc'd 243s at almost 20psi. Like these guys said the motor will be fine but will make more than that transmission and rear end want. The 3-4 clutches in my 4l60e hate my turbo.
