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Old Aug 18, 2022 | 06:09 PM
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Ken12375's Avatar
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Default Intake

Trying to decide between LS6 intake or fast 102mm. Upgrades are

AA supercharger
BTR stage 2 cam
LG headers
Milling oil pump
60 lb Siemens injectors
billy boat exhaust
MSD wires
NKG plugs
beehive springs
upgraded pushrods
SFI Balancer

Last edited by Ken12375; Aug 18, 2022 at 06:15 PM.
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Old Aug 18, 2022 | 10:31 PM
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Both are good. It really just depends on whether or not you think 23 peak hp to the wheels is worth the additional cost of the Fast 102. The LS6 under boost is good for about the same peak torque numbers as the 102.

Here's a good video (3/4 way through) comparing the two under boost.

23rwhp wasn't worth the added cost to me. Already having the LS6 intake and at 640hp to the wheels.

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Old Aug 19, 2022 | 08:46 AM
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If it was me, and I was buying new, I'd spend the extra $300-$400, and buy the FAST. Not often you can pick up an extra 30hp@crank for $300-$400. My opinion, and it's easier to spend YOUR money than mine!!
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Old Aug 19, 2022 | 09:30 AM
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Originally Posted by grinder11
If it was me, and I was buying new, I'd spend the extra $300-$400, and buy the FAST. Not often you can pick up an extra 30hp@crank for $300-$400. My opinion, and it's easier to spend YOUR money than mine!!
Great point above. I paid $200 for my LS6 intake but that was a different time. Not sure what they go for today but I was thinking $475-$550. Which is still $700 less than what a Fast 102 will run.

In addition to your point, grinder, it's also a he'll of a lot easier to source a Fast 102 than a bargain LS6.
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Old Aug 19, 2022 | 10:22 AM
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I bought used LS6 intake from a member here November 2021 $400.00 plus shipping, the shipping was $50 something just sent him $460.00.

Also intake has no injections or fuel lines, just intake only.

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Old Aug 19, 2022 | 10:53 AM
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one other consideration, the 102 on some Vettes will require the lowered motor mounts to clear the cowl.
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