milled 5.3s?
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From: PURDUE
milled 5.3s? Well, i'm lookin into getting some more horsepower N/A. Can't afford getting an S2 head, so I was wondering if I would gain anything if I was to buy a set of stock 5.3s, and have 'em milled 25 though or so?
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From: Houston, Texas
Re: milled 5.3s? 11:1 is about the max for 93 octane any more compression and with 93 and your motor will start pinging. I would even watch out with 11:1 if you get a bad tank of gas your are screwed.
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From: Texas, it's like your state, but better.
Re: milled 5.3s? screwed? how's that? plenty of guys push it far further than that on pump gas, myself being one of them, fireball another, have done .060 on 5.3L heads and made 12.5:1 work w/ pump gas. it all depends on how much you want to mess with it. 
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From: Cecil County Raceway!!!
Re: milled 5.3s?
screwed? how's that? plenty of guys push it far further than that on pump gas, myself being one of them, fireball another, have done .060 on 5.3L heads and made 12.5:1 work w/ pump gas. it all depends on how much you want to mess with it.
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From: Texas, it's like your state, but better.
Re: milled 5.3s?
Would there be any horsepower gains from milling some unported 5.3s?
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Re: milled 5.3s? i just got 11:1 on my 5.3's mainly cause I see plenty people running that CR on 93. Besides I have edit so i can always bump the timing back a degree or so if there is any pinging
have you looked into TEA or AS heads?? you can get stage 1.5 or 2's for 1300-1700bucks give or take on GP's
those heads might dyno 10-15less than the 2400-2800 bucks heads, but oh well
Ill just drop 15pounds off the car to make up for it LMAO
have you looked into TEA or AS heads?? you can get stage 1.5 or 2's for 1300-1700bucks give or take on GP's
those heads might dyno 10-15less than the 2400-2800 bucks heads, but oh well
Ill just drop 15pounds off the car to make up for it LMAO