roller rockers, what hits - what fits?
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Supreme Member
iTrader: (25)
Joined: Jul 2004
Posts: 2,623
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From: Beautiful BC
Car: '88 IROC-Z / '91 Z28 / '91 GTA
Engine: LT4 Hot Cam 305 / L98 355 / MR 383
Transmission: 5-spd / 700R4 / 700R4
Axle/Gears: 3:45 / 3:23 / 3:23
roller rockers, what hits - what fits?
Hey there I have a TPI with stock center bolt valve covers. I'm shopping around for some nice full roller rockers (self-align) to mate with my LT4 Hotcam. I havn't decided whether I'll go with 1.5 or 1.6 ratio only because I don't know what will fit and what will hit the cover/side etc.
Help me out, what brand/model numbers work with little to no mods, and which ones don't work?!
I've got to place an order before the long weekend. Thanks!
Help me out, what brand/model numbers work with little to no mods, and which ones don't work?!
I've got to place an order before the long weekend. Thanks!
Junior Member
Joined: May 2003
Posts: 90
Likes: 0
From: Overland Park in the Great State of KANSAS
Car: 91 Z28
Engine: 468 ci
Transmission: thm 350
LT4 Hot Cam came with 1.6 aluminum roller rockers. I put a set of Comp Pro Magnums on my wife's TA and had to take the tin snip to the cross braces in the valve covers. After that they worked great. I believe Crane golds are the same as GM.
KAT Jeg's
Proform $184.99 $189.99
Comp Pro Mag $264.99 ?
Crane Gold $314.99 $319.99
Kevin
KAT Automotive
KAT Jeg's
Proform $184.99 $189.99
Comp Pro Mag $264.99 ?
Crane Gold $314.99 $319.99
Kevin
KAT Automotive
Junior Member
Joined: Jun 2005
Posts: 19
Likes: 0
From: Charlotte,NC
Car: 89 Trans Am Gta
Engine: 305 now, Just bought my 355 today, ready to install~~~
Transmission: 5 speed
Roller rockers
Look for 1.5 roller rockers on EBAY .... There is a guy selling them that is the CHEAPEST ($60-$80) and guarranteed to fit with stock valve covers ........
Joined: Jun 2005
Posts: 813
Likes: 0
From: Adrian, Mi
Car: 1989 Camaro
Engine: 350 but it's torn down right now.
Transmission: 700r4
Axle/Gears: I'm working on it,lol.
Katman has you covered. The 1.6 ratio has better valve geometry, but you'll have to mod the valve covers like he said otherwise they'll hit.
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