5.3 heads or ls6 heads on a stock shortblock?
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5.3 heads or ls6 heads on a stock shortblock?
whcih are better as far as using on a stock motor with a big cam,im looking to purchase a set of heads with 2.02 valves and some mild porting with double valvsprings amd milled,plus i have 170k on the car?
#3
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I'll play devil's advocate...
Ported with 2.02 valves the 5.3 heads can flow more than your engine will need. Also, 5.3 heads can be had for about 1/4 the price of the ls6 heads.
Stock for stock the ls6 heads are better by far, but if your planning on porting and adding larger valves, I would start with the 5.3's just because of the cost factor.
Ported with 2.02 valves the 5.3 heads can flow more than your engine will need. Also, 5.3 heads can be had for about 1/4 the price of the ls6 heads.
Stock for stock the ls6 heads are better by far, but if your planning on porting and adding larger valves, I would start with the 5.3's just because of the cost factor.
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I'll play devil's advocate...
Ported with 2.02 valves the 5.3 heads can flow more than your engine will need. Also, 5.3 heads can be had for about 1/4 the price of the ls6 heads.
Stock for stock the ls6 heads are better by far, but if your planning on porting and adding larger valves, I would start with the 5.3's just because of the cost factor.
Ported with 2.02 valves the 5.3 heads can flow more than your engine will need. Also, 5.3 heads can be had for about 1/4 the price of the ls6 heads.
Stock for stock the ls6 heads are better by far, but if your planning on porting and adding larger valves, I would start with the 5.3's just because of the cost factor.
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#9
#11
Should've had 241 heads stock. Is go with 243s which are the ls6 heads or 799s which pretty much the same and came on ls2s. 5.3s will flow just as good with some port work. This is massie by the way haha