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Old 02-11-2022, 11:27 PM   #1
CHRI55
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Ls3 oem vs fast fuel rails

I have a fast 102 intake and trying to see what is the better fuel rails and why.. either stock ls3 or the fast kit.. I'm thinking stock because of the cross section so it might flow more evenly but that's a guess
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Old 02-13-2022, 04:25 AM   #2
Bo White


 
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I ran Holley rails on my stock manifold and my FAST manifold.
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2015 2SS 1LE Clutch reservoir, Vararam DRX, ported TB, TSP 2" headers, MGW shifter
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2010 1SS Wilkes Performance/Eagle 416 shortblock, TSP custom valvetrain, PRC 260 heads, Edelbrock Pro Flo 102, th400 swap, 8" PTC 5500 stall= 535/435 at the wheels tuned Gen 3 Performance and Dyno 10.97 @ 124 full weight in 3100 DA CamaroFest X
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Old 02-15-2022, 07:37 AM   #3
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Originally Posted by Bo White View Post
I ran Holley rails on my stock manifold and my FAST manifold.
notice anything? anything at all??
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Old 02-15-2022, 06:49 PM   #4
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Looks better
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Retired wanna be cylinder head porter
2015 2SS 1LE Clutch reservoir, Vararam DRX, ported TB, TSP 2" headers, MGW shifter
Totalled:
2010 1SS Wilkes Performance/Eagle 416 shortblock, TSP custom valvetrain, PRC 260 heads, Edelbrock Pro Flo 102, th400 swap, 8" PTC 5500 stall= 535/435 at the wheels tuned Gen 3 Performance and Dyno 10.97 @ 124 full weight in 3100 DA CamaroFest X
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Old 02-15-2022, 08:17 PM   #5
joshnmn
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Lol
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Old 02-15-2022, 08:18 PM   #6
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Old 02-17-2022, 01:38 AM   #7
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That's about it lol
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Retired wanna be cylinder head porter
2015 2SS 1LE Clutch reservoir, Vararam DRX, ported TB, TSP 2" headers, MGW shifter
Totalled:
2010 1SS Wilkes Performance/Eagle 416 shortblock, TSP custom valvetrain, PRC 260 heads, Edelbrock Pro Flo 102, th400 swap, 8" PTC 5500 stall= 535/435 at the wheels tuned Gen 3 Performance and Dyno 10.97 @ 124 full weight in 3100 DA CamaroFest X
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Old 02-18-2022, 01:59 PM   #8
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i run a fast 102 with the fast rails. I wanted the cleaner look with the crossover in the rear. either one will work the same
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