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Fast 92 or 102

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Old Jul 26, 2012 | 07:43 AM
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Default Fast 92 or 102

Fast 92 or 102 on a heads cam intake ls1
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Old Jul 26, 2012 | 08:25 AM
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whatever you want. i vote 102 for the gains over the new runner design. but others will probably complain about the price, or the other stuff you have to buy, or modify to put in on your car blah blah blah. gotta pay to play
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Old Jul 26, 2012 | 09:57 AM
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102 is the best but expensive and can be a hassle to install.
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Old Jul 26, 2012 | 10:07 AM
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I vote 92mm. Going to have "similar" gains, better down low power for cheaper and better fitment...and it looks better is you are getting the new black one.
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Old Jul 26, 2012 | 10:52 AM
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i dont know why everyone talks about fitment. mine fits just fine. Yea its closer to the cowl, but it bolts up the exact same. unless you are dead set on keeping your STB, i personally could care less about a strut brace.
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Old Jul 26, 2012 | 11:02 AM
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Are different fuel rails needed for the 102 or will the stock ones work?
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Old Jul 26, 2012 | 11:11 AM
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no, stock will not work so you need the billet, or the oem style ls2 rails
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Old Jul 26, 2012 | 11:21 AM
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Fitment can be a problem with Vettes. On an Fbody if you have a 102TB it may not clear the waterpump. It will not clear the water pump if its a EWP. Get a LS2 water pump and you are fine.
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Old Jul 26, 2012 | 11:45 AM
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^^ exactly what i did, LS2 pump is like $120 with free shipping and includes gaskets. cheap insurance also since most of our cars are 10+ years old
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Old Jul 26, 2012 | 07:06 PM
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92 an 102 same price doesn't matter to me an I have a nick Williams 92mm tb looking for best power gains heard 102 is to big with stock bottom end
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Old Jul 26, 2012 | 07:07 PM
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I also have the fast fuel rail kit
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Old Jul 26, 2012 | 07:16 PM
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102 is not too big. Thats utter nonsense. In long run the 102 is more money but worth more power. Period.
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Old Jul 26, 2012 | 08:07 PM
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And you can make it black or any other color in an hour for less than $20.
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Old Jul 26, 2012 | 08:12 PM
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I did the 92mm fast. Didnt have to worry about fuel rails and such so I saved money.
Did tea 243 heads, 228 cam, 92 fast, 3.73 and other small upgraded boltons. My stalled auto gained over 100rwh on mustang dyno. 429/392
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Old Jul 26, 2012 | 10:01 PM
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I vote 102 with the 92mm tb to save some time getting the tune dialed in. The 102 tb can be a pain to tune for driveability. The cost of the 102 over the 92 is minimal when you can easily pick up 5 or more horse from 2k to The top.
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Old Jul 26, 2012 | 10:30 PM
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Will ls2 rails work with the 98 fbody fuel system?
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Old Jul 27, 2012 | 03:43 PM
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Seems to be the million dollar question. Just searched that and I found 2 answers.

1. The 98 has the regulator on the rail and to switch to any other rail, you have to use the Corvette FPR/filter.

2. The regulator on the 98 rail is simply a dampner and all f bodies are regulated at the pump.

Just check your pressure at the line with it unhooked from the rail. If it's around 58psi, it's regulated at the tank.
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Old Jul 27, 2012 | 04:03 PM
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ls6


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Old Jul 28, 2012 | 01:47 PM
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+ 1 for the 102
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Old Jul 29, 2012 | 09:57 AM
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My vote is for the 102 intake.
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