used FAST 92mm intake

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Nov 17, 2010 | 07:33 PM

#21

OMGls1jz

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From: OK

so does the fast 90 or 92 bolt on to a ls1 fbody without modifications? or does it need some work like the 102? i've read breifly that the 102 fasts require different injectors and fuel rails?

Nov 17, 2010 | 09:12 PM

#22

reeperz28

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From: Amarillo Tx

The 102 needs ls2 style fuel rails and all the hoses and fiTtings with it its another 300 on txspd and if you get I believe a 95or96mm and up you have to modify your waterpump due to it large size its in the way

Nov 18, 2010 | 04:57 AM

#23

SS4Luck

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From: Sterling Heights, MI

Quote:

Originally Posted by reeperz28

im pretty sure i saw somwhere the mezuire (i know that has to be spelled wrong) electric water pump clears the Fast 102 so you dont have to grind on the pump

Nov 18, 2010 | 08:09 AM

#24

lemons12

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From: Winchester, TN

Quote:

Originally Posted by OMGls1jz

so does the fast 90 or 92 bolt on to a ls1 fbody without modifications? or does it need some work like the 102? i've read breifly that the 102 fasts require different injectors and fuel rails?

You need he new fast rails and spacers, stock injectors will work fine. Fast rails look soooo much nicer anyway, nice upgrade.

Quote:

Originally Posted by reeperz28

Mine fit on my car with zero modification.. I have coils relocated under cowl and it fit with those also.

Nov 18, 2010 | 11:12 AM

#25

reeperz28

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From: Amarillo Tx

My bad I looked back on that and it was the vettes stock water pumps that was giving problems

Nov 18, 2010 | 11:45 AM

#26

lemons12

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From: Winchester, TN

Correct, I think gtos are also having a problem with them, could be wrong in that though.

Nov 18, 2010 | 12:34 PM

#27

X-ray

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From: Harrisburg, PA

Quote:

Originally Posted by lemons12

102 being too big for a stock cube ls1 was shown to be false months and months ago..

You will pick up less HP but more tq with a 102 than a 90 or 92.. at least from the majority of swaps I have seen, including mine. The runners were changed, I am sure that is the reason.

Yep, same with the throttle body. 102 TB with a 102 intake will gain a little power/torque everywhere over a 92 TB.