1.85 ratio Roller Rockers ?
Thread Starter
Joined: Aug 2001
Posts: 1,589
Likes: 2
From: British Columbia
Car: 90 IROC 5.7 hardtop
Engine: L98
Transmission: T5 swap
Axle/Gears: Yup -- they still work
1.85 ratio Roller Rockers ?
I was reading a GM HI Perf magazine last night and saw that the LS1 has 1.85 roller rockers available for hp upgrade.
Anyone know if these will work on a 3rd gen 305 or 350 ?
thx,
RP.
Anyone know if these will work on a 3rd gen 305 or 350 ?
thx,
RP.
Member
Joined: Aug 2001
Posts: 250
Likes: 0
From: Pelzer, SC, USA
I don't think the new style ls1 rockers will work in an older engine. Even if it would, that high a ratio on rockers would be murder on the valvetrain. Pressures on the pushrod and pushrod side of the rocker are high with 1.7's, and I have heard of stress failures at that level. I wouldn't run anything over 1.7.
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