5.3 heads
07-07-2005, 08:57 PM
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5.3 heads Is any one running 5.3 heads in the stage 3 configuration. What is your CR and how well does it run on 93 octane. I want to add these during my cam and intake install. I can get LTs later. Hey post up your HP # with these heads and similar mods.
TB - stock ported
Intake - LS6
Pulley - 10%
Cam - 224-112-.581
Trans - stg.1 3200 stall
Rearend - built 10 bolt-3.73
Eaton, Moser,T/A
Headers - MAC mids w/3" coll.
3" Y w/cats and c/o
Suspen. - BMR, Edlebrock
Heads - 5.3 or LS6 ?
Bore & Stroke-stock
TB - stock ported
Intake - LS6
Pulley - 10%
Cam - 224-112-.581
Trans - stg.1 3200 stall
Rearend - built 10 bolt-3.73
Eaton, Moser,T/A
Headers - MAC mids w/3" coll.
3" Y w/cats and c/o
Suspen. - BMR, Edlebrock
Heads - 5.3 or LS6 ?
Bore & Stroke-stock
Last edited by electricz28; 07-07-2005 at 09:22 PM.
07-08-2005, 08:27 AM
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Originally Posted by electricz28
Stock shortblock-
Brandon
07-08-2005, 06:40 PM
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5.3 heads should give you approximately 10.8:1 compression. My stage 2 5.3 heads work great with 93 octane gas.
If you think you might ever want to add a super charger or nitrous you might want the LS1 or LS6 heads. The extra compression from the 5.3 heads will only get you 5 to 10 extra hp. But if you go with a super charger or nitrous the extra compression will probably make you loose more than that.
Good luck,
Al
If you think you might ever want to add a super charger or nitrous you might want the LS1 or LS6 heads. The extra compression from the 5.3 heads will only get you 5 to 10 extra hp. But if you go with a super charger or nitrous the extra compression will probably make you loose more than that.
Good luck,
Al
07-08-2005, 06:56 PM
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Originally Posted by AKRA
5.3 heads should give you approximately 10.8:1 compression. My stage 2 5.3 heads work great with 93 octane gas.
If you think you might ever want to add a super charger or nitrous you might want the LS1 or LS6 heads. The extra compression from the 5.3 heads will only get you 5 to 10 extra hp. But if you go with a super charger or nitrous the extra compression will probably make you loose more than that.
Good luck,
Al
If you think you might ever want to add a super charger or nitrous you might want the LS1 or LS6 heads. The extra compression from the 5.3 heads will only get you 5 to 10 extra hp. But if you go with a super charger or nitrous the extra compression will probably make you loose more than that.
Good luck,
Al
