Big gains with FAST 102MM over LS6 on a 408?
04-27-2010, 08:42 AM
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Big gains with FAST 102MM over LS6 on a 408? Can anyone estimate the type of gains a 408 stroker motor would see going from a LS6 intake/stock TB to a fast 102/102 setup?
04-27-2010, 12:30 PM
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Like Jon said it depends on the heads and cam you have/ are going to have. With a 408 the 102 could help alot. The LS6 might not have enough flow for it so going to a Fast could wake it up a little.
04-27-2010, 01:18 PM
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Maf ? I'd ditch the MAF and go Speed Density. Put a straight 4" tube in it's place with 2 4" hose couplers. That would also help with cost as you would not have to buy another MAF.
That's what I did and no restrictions on the air intake prior to the 102 TB.
I went from a ported LS7 intake to a Ported FAST 102/102 and gained 23rwhp. Same day, same dyno comparison.
That's what I did and no restrictions on the air intake prior to the 102 TB.
I went from a ported LS7 intake to a Ported FAST 102/102 and gained 23rwhp. Same day, same dyno comparison.
04-27-2010, 01:44 PM
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I'd ditch the MAF and go Speed Density. Put a straight 4" tube in it's place with 2 4" hose couplers. That would also help with cost as you would not have to buy another MAF.
That's what I did and no restrictions on the air intake prior to the 102 TB.
I went from a ported LS7 intake to a Ported FAST 102/102 and gained 23rwhp. Same day, same dyno comparison.
That's what I did and no restrictions on the air intake prior to the 102 TB.
I went from a ported LS7 intake to a Ported FAST 102/102 and gained 23rwhp. Same day, same dyno comparison.
04-27-2010, 02:12 PM
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I could be wrong, but with the original poster being in Mass. wouldn't the temperature swings reduce the effectiveness of a speed density tune? Either that or he has to have several tunes on standby to load with changing seasons?
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04-27-2010, 02:31 PM
#8
Im not to up to date on the fast 102 gains, saw alot of numbers comparing it to a ls1 Intake mani and they seemed decent, but vs the ls6 intake if it gains only 15 then the H.P. per dollar doesnt seem worth it.
