Which 1.6 rocker for Lt4 Hotcam?
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Joined: Sep 2014
Posts: 749
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From: Los Angeles
Car: 92 Z28 Clone
Engine: Vortec 350
Transmission: T-56
Axle/Gears: 3.23 Torsen
Which 1.6 rocker for Lt4 Hotcam?
Looking to swap from 1.5 rockers for some 1.6 to run true hotcam lifts. I know I will have to drill out the pushrod holes. Anybody know what size drill bit needed? What is the best 1.6 rocker to use . Was hoping to use roller type but read that they wont fit under cb vc's. So I read that regular 1.6 work best . Part Number?
Thread Starter
Senior Member
Joined: Sep 2014
Posts: 749
Likes: 39
From: Los Angeles
Car: 92 Z28 Clone
Engine: Vortec 350
Transmission: T-56
Axle/Gears: 3.23 Torsen
Joined: Aug 1999
Posts: 5,259
Likes: 459
From: RI
Car: 1984 Camaro Berlinetta
Engine: LT1
Transmission: T56 6-speed
Axle/Gears: 4.11 LS1 Rear End
Re: Which 1.6 rocker for Lt4 Hotcam?
https://www.gmperformancemotor.com/parts/19210729.html
I have no idea if they will fit under you valve covers,… many valve covers need to be ‘modified’ to accommodate roller rockers.
I have no idea if they will fit under you valve covers,… many valve covers need to be ‘modified’ to accommodate roller rockers.
Thread Starter
Senior Member
Joined: Sep 2014
Posts: 749
Likes: 39
From: Los Angeles
Car: 92 Z28 Clone
Engine: Vortec 350
Transmission: T-56
Axle/Gears: 3.23 Torsen
Re: Which 1.6 rocker for Lt4 Hotcam?
https://www.gmperformancemotor.com/parts/19210729.html
I have no idea if they will fit under you valve covers,… many valve covers need to be ‘modified’ to accommodate roller rockers.
I have no idea if they will fit under you valve covers,… many valve covers need to be ‘modified’ to accommodate roller rockers.
https://www.summitracing.com/parts/s...RoCnXEQAvD_BwE
https://www.summitracing.com/parts/s...BoCkOYQAvD_BwE
Joined: Sep 2003
Posts: 25,895
Likes: 429
From: Pittsburgh PA
Car: 89 Iroc-z
Engine: 555 BBC Turbo
Transmission: TH400
Axle/Gears: MWC 9” 3.00
Re: Which 1.6 rocker for Lt4 Hotcam?
https://www.summitracing.com/parts/cca-1418-16
ive run these on L98 centerbolt valve covers just fine.
ive run these on L98 centerbolt valve covers just fine.
Joined: Aug 1999
Posts: 5,259
Likes: 459
From: RI
Car: 1984 Camaro Berlinetta
Engine: LT1
Transmission: T56 6-speed
Axle/Gears: 4.11 LS1 Rear End
Re: Which 1.6 rocker for Lt4 Hotcam?
If you're gonna' go RR's,....... forget roller tip & go full ( STEEL ) RR's !!!
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Joined: Dec 2004
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From: Lincolnton, NC
Car: 88 IROC
Engine: 97 5.7 Vortec LT4 hotcam
Transmission: 700 r4
Axle/Gears: 3.73
Re: Which 1.6 rocker for Lt4 Hotcam?
I’m running a set of scorpion narrow body full rollers under stock vortec valve covers. 1.5s though
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