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3.1L v6 turbo car takes out 4thgen ls1 at the track

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Old 08-23-2008, 07:08 PM
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Car: 89 RS 89 iroc 87 firebird
Engine: 3.1 Turbo/ 355 twin turbo
Transmission: a4 w/ 4500 stall/ a4 / t5
Axle/Gears: strange s60 /w 3:42's
3.1L v6 turbo car takes out 4thgen ls1 at the track

the first righteous kill for the v6 car
was a 13.8-13.9 104.xx vs 97.xx

we had the car set on 7 psi with a t3/t4 hybrid

everything in the sig is correct about the car except the turbo size i ended up hurting the large turbo during testing a few weeks back

theres still alot left in the car at the same boost level it came out of the hole at 3 psi and cut a 1.9 60ft on street tires but bogged 2 times coming out of the hole.

other then that it came up threw second but kinda nosed over going into 3rd which u will be able to see when i get the scanned time slip sent to me so i can post it

i believe i know what the bog and nosing over issue is, i had recently swapped out to a much larger injector and had only changed the injector size in the megasquirt.
was hoping these injectors would be as linier in flow as the old ones but they arent so the bog and nosing over was due to a few lean spots in the ve table

car weighed in at 3350 with driver on this pass
we attempted 2 more runs last night after fixing the ve maps, one at 15 psi and one at 12 psi but the couplers on the intake tubing kept blowing apart in the burnout box.

10 psi seems to be the safe limit on the single ply silicone couplers and worm drive clamps,then again alls i had to re tighten the clamps up was a screwdriver so i couldnt exactly crank down on them either,when i can get them cranked down the ususally last one pass at high boost,as long as im not in and out of the throttle

so some t-bolt clamps and better couplers are on the way and well be looking to pull out some high high 12's on 7 psi witht he slicks on the car

stay tuned for time slips and possibly video
Old 08-24-2008, 04:46 PM
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Car: 89 RS 89 iroc 87 firebird
Engine: 3.1 Turbo/ 355 twin turbo
Transmission: a4 w/ 4500 stall/ a4 / t5
Axle/Gears: strange s60 /w 3:42's
Re: 3.1L v6 turbo car takes out 4thgen ls1 at the track

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Old 08-24-2008, 06:50 PM
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Car: 89 GTA
Engine: 5.7L Supercharged
Transmission: T-56
Axle/Gears: Moser 9" 3.70
Re: 3.1L v6 turbo car takes out 4thgen ls1 at the track

Not a bad start, kind of sucks that your couplers keeped blowing apart. Get those T-bolt clamps on there and let us know how she does
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