ZZ4 and LT4 cam specs
Thread Starter
Joined: Dec 2000
Posts: 1,954
Likes: 65
From: NC
Car: 1987 Iroc
Engine: 357 Single plane and a Ysi vortech
Transmission: T56
Axle/Gears: 3.50 9"
ZZ4 and LT4 cam specs
What are the cam specs and operating ranges on theses cams? Just want to see how they stack up to my cam since they are so common.
Thanks
Chris
Thanks
Chris
Member
Joined: May 2001
Posts: 258
Likes: 0
From: Raleigh, NC
ZZ4 cam pn#10185071 Hydraulic roller
Lift .47" I, .510" E.
Duration @ .050:208º I, .221º E.
LT4 HOT cam pn#24502586 279/287; duration at .050" tappet lift (intake/exhaust) is 218/228 1.6 rocker ratio (intake/exhaust) is 525/525. Valve lash is zero/zero and lobe centerline is 112 degrees.
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1991 Z28 ZZ4 with LPE superram base, SLP runners, LPE 58mm T-body,Random Technology ramair,TES headers,24#svo injectors,and just about every other bolt on that there is. Just got a ZEX nitrous kit!
Lift .47" I, .510" E.
Duration @ .050:208º I, .221º E.
LT4 HOT cam pn#24502586 279/287; duration at .050" tappet lift (intake/exhaust) is 218/228 1.6 rocker ratio (intake/exhaust) is 525/525. Valve lash is zero/zero and lobe centerline is 112 degrees.
------------------
1991 Z28 ZZ4 with LPE superram base, SLP runners, LPE 58mm T-body,Random Technology ramair,TES headers,24#svo injectors,and just about every other bolt on that there is. Just got a ZEX nitrous kit!
Thread Starter
Joined: Dec 2000
Posts: 1,954
Likes: 65
From: NC
Car: 1987 Iroc
Engine: 357 Single plane and a Ysi vortech
Transmission: T56
Axle/Gears: 3.50 9"
Thanks
Chris
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1986 305 TPI
8.0 @88 in the 1/8
**Soon to be 355
Chris
------------------
1986 305 TPI
8.0 @88 in the 1/8
**Soon to be 355
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