what size cam
Thread Starter
Joined: Apr 2002
Posts: 373
Likes: 0
From: louisville, co
Car: 86 T/A
Engine: 383
Transmission: 700R4
Axle/Gears: 3.27 9 bolt
what size cam
What would be the biggest cam i could run on the stock valve springs n rocker arms on an 86 t/a with the infamous peanut cam.
Supreme Member
Joined: Sep 2001
Posts: 6,111
Likes: 53
From: Ontario, Canada
Car: 1988 Firebird S/E
Engine: 406Ci Vortec SBC
Transmission: TH-350/3500stall
Axle/Gears: 7.5" Auburn 4.10 Posi-Traction
You're limited to mild to moderate hyd flat tappet cams. Any thing that has to
be reved much past 5500 rpm will need a spring change.
That would be anything with 230@.050 duration or more than
.485" lift. That actually leaves you a lot of choices though.
No performance hyd rollers. They need more seat pressure than stock.
be reved much past 5500 rpm will need a spring change.
That would be anything with 230@.050 duration or more than
.485" lift. That actually leaves you a lot of choices though.
No performance hyd rollers. They need more seat pressure than stock.
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