1.6 roller rockers
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Joined: Apr 2014
Posts: 57
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From: Danmark
Car: Trans Am gta 5.7 1989
Engine: 350 tpi
Transmission: th700r4
Axle/Gears: BG 9 bolt
1.6 roller rockers
Hello
Will i gain som HP if i change to 1.6 roller rockers? And do i have to change anything else ?
The engine is Stock 5.7 tpi with hooker 2055 headers.
Will i gain som HP if i change to 1.6 roller rockers? And do i have to change anything else ?
The engine is Stock 5.7 tpi with hooker 2055 headers.
Joined: Aug 1999
Posts: 5,261
Likes: 461
From: RI
Car: 1984 Camaro Berlinetta
Engine: LT1
Transmission: T56 6-speed
Axle/Gears: 4.11 LS1 Rear End
Re: 1.6 roller rockers
You will HAVE to use lock-nuts rather than the stock rocker nuts and you will HAVE to use Valve Covers that will fit over the Rockers / Poly-Locks.
As long as you buy the correct rocker arms, you should not HAVE to replace anything else or HAVE modify anything else to install them on a stock SBC 5.7. ( If you are building an engine - there's more to it then just buying "bolt on" rockers. )
You should gain a couple HP - don't expect to feel it.
As long as you buy the correct rocker arms, you should not HAVE to replace anything else or HAVE modify anything else to install them on a stock SBC 5.7. ( If you are building an engine - there's more to it then just buying "bolt on" rockers. )
You should gain a couple HP - don't expect to feel it.
Supreme Member
Joined: Jun 2011
Posts: 2,036
Likes: 5
From: knoxville tn
Car: 86 IROC
Engine: 5.0 TPI
Transmission: 700-R-4
Axle/Gears: 2.73 open
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