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88' Iroc Z running 305TPI with Vortechblower running high 9's in 1/4 mile

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Old Sep 20, 2001 | 04:23 PM
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88' Iroc Z running 305TPI with Vortechblower running high 9's in 1/4 mile

Someone posted a video of this guy running high 9's in the quarter mile with a single vortech and a 305TPI and i lost it, Anyone here have that video if so can u post it, i really need to see that thing run again.
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Old Sep 21, 2001 | 01:47 AM
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that was preston smith, i dont remember the addy to his website

he has since moved on, he doesn't have the blower anymore
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Old Sep 21, 2001 | 06:52 AM
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yes thats his name, could u give me an update about him, what has he done, and if anyone else has his webpage post it please
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Old Sep 21, 2001 | 10:48 AM
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From: Indianapolis, IN
Car: 2000 Trans Am
Engine: LS1
Transmission: T56
http://home.earthlink.net/~tpi305/

That is his webpage. It is very out of date.
But it has the video on there.

------------------
-86 IROC
11.28 @ 120.6 mph 1.59 60'
-=ICON Motorsports=-
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Old Sep 21, 2001 | 02:39 PM
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damn it must be really outdated it says page does not exist
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Old Sep 22, 2001 | 12:27 PM
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i believe he's gone to the dark side...he's a turbo guy now

I believe he's running a PT-72 turbo...not 100% sure though...

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Old Sep 22, 2001 | 03:17 PM
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From: chi-town
PT-76
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Old Sep 22, 2001 | 09:22 PM
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is he running the turbo on the 305 TPI?? Anyone know what mods he had on the TPI, i know it might be long but im really interested in knowing what he did! thanx
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Old Sep 22, 2001 | 10:38 PM
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Car: 90 Iroc
Engine: 383LS1
Transmission: T-56
Axle/Gears: 4.10
Drooool. Well ahhh I don't know what to say. Ok maybe "That was the coolest thing I had ever seen!" I too would like to know what he had done to that 305. Hell it wasn't even running a SR or a MR. This might kill my ZZ430 plans.
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Old Sep 22, 2001 | 11:52 PM
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<font face="Verdana, Arial" size="2">Originally posted by 89ProchargedROC:
PT-76 </font>
lol i knew it was a PT-something

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Old Sep 23, 2001 | 08:50 PM
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he has a very BASIC setup

Not sure about intake base BUT he does have a long tube runner setup i'm sure slightly ported

Trickflow 23* heads slightly ported.....i'm almost positive they aren't ported to hell

T-76 turbo

15psi on pump gas
24psi on race gas

thats it

pretty simple huh?
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Old Sep 23, 2001 | 08:55 PM
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thats all what compression was he running
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Old Sep 24, 2001 | 12:26 AM
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What is Preston running these days 1/4 mph? I know he was running low 11s with the new turbo. That turbo should put him back in the 9s
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Old Sep 24, 2001 | 01:59 AM
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dont know about compression

i also dont know about cam specs or what kind:

hydraulic/solid

TO SUPERIROC

i have EXTREMELY IMPORTANT information for you.....email me. I dont want to see anyone else FU*KED
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Old Sep 25, 2001 | 11:18 PM
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I seen his car at e-town a few months back it was runnin mid 10's with the turbo 305 and i was quite impressed that you could literally eat a meal on his engine if you wanted to...really clean. Later

------------------
88 IROC-Z 350 TPI 5 speed
Performance Resource Chip, Flowmaster American Thunder cat back exhaust, B&M Ripper shifter, MSD coil, TB bypass, TPIS MAT relocation kit , AC Delco 160* t-stat, Richmond 3.73 gears, March Power & Amp pullies, Home made Ram Air, Steve Spohn SFC's, LCA's, and LCA relocation brackets , Panhard bar, TPIS AFPR, Ported plenum by Daniel Burk, Mac Test pipe
Best et: 14.232(all times with 305)
Best mph: 97.76
Best 60': 2.063
http://hometown.aol.com/famioso15/johnnyiroc.html
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Old Sep 26, 2001 | 06:44 AM
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Car: 1992 Camaro RS
Engine: 5.7
Transmission: T-5
There is an artical in the '97 High Tech Mag. That should be encuraging (spelling??) for you 305 guys! I wonder what he would run if he had a 350 or 383???

------------------
92 RS, 350, Street & Performance MPFI, TFS heads, Stock crank and rods, Fordged flat tops,
Crane Rollers,
MSD Digital 6 Plus, 22lb injectors,
ZZ3 cam, Edelbrock Headers 1 5/8, 3" Exhaust,
Hi Flow 3" Cat, stock T-5,
stock rear 3.08, koni yellow adjustable front, twin turbo glass hood, T-tops, Auto Meter Ultra Lite Series 2 5/8 gauges, Teal Green
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