Installed FAST90/90, dont feel any difference
02-16-2006, 04:42 PM
#1
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Installed FAST90/90, dont feel any difference Went from a LS6/Shander S3 TB to Fast90/NW90.
Dont feel a bit of difference.
Even when I went from a stock TB to a Shaner S3, I could tell it rev'd faster up top and had a crisper throttle response.
I'm still using the stock MAF right now. Waiting on a 85mm lid and 3in-4in transition bellow to arrive. Then I'll scrap the MAF for the SD tune.
I'm praying that'll free it up a bit.
Otherwise I just wasted over a grand for nothing.
Dont feel a bit of difference.
Even when I went from a stock TB to a Shaner S3, I could tell it rev'd faster up top and had a crisper throttle response.
I'm still using the stock MAF right now. Waiting on a 85mm lid and 3in-4in transition bellow to arrive. Then I'll scrap the MAF for the SD tune.
I'm praying that'll free it up a bit.
Otherwise I just wasted over a grand for nothing.
02-16-2006, 05:44 PM
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hasn't been dyno'd yet.I'm just going by the "seat of my pants" dyno.
I'm waiting on a 85mm lid and speed density tune.
Supporting Mods:
I'm waiting on a 85mm lid and speed density tune.
Supporting Mods:
Induction-
High Flow Lid
Nick Williams 90mm Throttle Body
Ported F.A.S.T LSX 90mm Intake Manifold
Texas Nitrous Technology F1 Kit
Valvetrain-
Texas Speed MS3 Cam
Magic Stick V.3 237/242 .603/.609" 113lsa
PRC Valve Springs
T.E.A 5.3L Stage 1.5 Heads
Chromoly Push Rods
LS6 Ported Oil Pump
ASP Underdrive Pulley
Diamond Pistons 2cc Valve Relief
Diamond Piston Rings
Cometic Head Gaskets
Crower 6.125 Length Rods
Exhaust-
Pacesetter Race Style (no emissions fittings) Ceramic Coated Headers
Custom 3Inch True Duals (XPipe)
Moroso Spiral Flow Mufflers
High Flow Lid
Nick Williams 90mm Throttle Body
Ported F.A.S.T LSX 90mm Intake Manifold
Texas Nitrous Technology F1 Kit
Valvetrain-
Texas Speed MS3 Cam
Magic Stick V.3 237/242 .603/.609" 113lsa
PRC Valve Springs
T.E.A 5.3L Stage 1.5 Heads
Chromoly Push Rods
LS6 Ported Oil Pump
ASP Underdrive Pulley
Diamond Pistons 2cc Valve Relief
Diamond Piston Rings
Cometic Head Gaskets
Crower 6.125 Length Rods
Exhaust-
Pacesetter Race Style (no emissions fittings) Ceramic Coated Headers
Custom 3Inch True Duals (XPipe)
Moroso Spiral Flow Mufflers
02-16-2006, 05:54 PM
#5
HEy man dont feel bad about the purchese. After my install without the tune I gained 1 hp which is defintly not noticable. Then I got the tune and Im very happy
Check out my post
https://ls1tech.com/forums/generation-iii-external-engine/443317-fast-90mm-intake-nw-tb-results.html
Check out my post
https://ls1tech.com/forums/generation-iii-external-engine/443317-fast-90mm-intake-nw-tb-results.html
02-16-2006, 05:58 PM
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Originally Posted by offaxis
HEy man dont feel bad about the purchese. After my install without the tune I gained 1 hp which is defintly not noticable. Then I got the tune and Im very happy
Check out my post
https://ls1tech.com/forums/showthread.php?t=443317
Check out my post
https://ls1tech.com/forums/showthread.php?t=443317
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02-18-2006, 03:59 PM
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hey, im installing my 90mm right now.... the torque specs for the bolts are 30in/lbs for the first pass, then 50in/lbs on the second.
The issue im having is both of my torque wrenchs are in FT/lbs! THe lowest i can go is about 10ft/lbs. I did the calculation and 50in/lbs is about 5.4 ft/lbs...i think. So, should i wasnt more money and get a wrench tath goes done to 0 ft/lbs or can i hand tighten...or even use the wrench i have now. 10ft/lbs isabout 120in/lbs so that might be too much?
any help ya'll?
The issue im having is both of my torque wrenchs are in FT/lbs! THe lowest i can go is about 10ft/lbs. I did the calculation and 50in/lbs is about 5.4 ft/lbs...i think. So, should i wasnt more money and get a wrench tath goes done to 0 ft/lbs or can i hand tighten...or even use the wrench i have now. 10ft/lbs isabout 120in/lbs so that might be too much?
any help ya'll?
02-18-2006, 04:10 PM
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Of what Ive seen, when going to a 90/90 set up the tune is way rich in the midrange and will need to be fixed. The mid is were most of the buttometer gets its feedback 
02-18-2006, 04:17 PM
#10
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Originally Posted by jaypee1217
Went from a LS6/Shander S3 TB to Fast90/NW90.
Dont feel a bit of difference.
Even when I went from a stock TB to a Shaner S3, I could tell it rev'd faster up top and had a crisper throttle response.
I'm still using the stock MAF right now. Waiting on a 85mm lid and 3in-4in transition bellow to arrive. Then I'll scrap the MAF for the SD tune.
I'm praying that'll free it up a bit.
Otherwise I just wasted over a grand for nothing.
Dont feel a bit of difference.
Even when I went from a stock TB to a Shaner S3, I could tell it rev'd faster up top and had a crisper throttle response.
I'm still using the stock MAF right now. Waiting on a 85mm lid and 3in-4in transition bellow to arrive. Then I'll scrap the MAF for the SD tune.
I'm praying that'll free it up a bit.
Otherwise I just wasted over a grand for nothing.
Basically from my understanding most of the gain is up in the higher rpms this may be part of the reason, also the PEAK numbers arn't all that much higher in reality.
