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Working the bugs out, 9.1 @ 155

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Old May 19, 2014 | 08:18 AM
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Working the bugs out, 9.1 @ 155


Only made one half decent pass. Track couldnt hold power. Ramped boost slow to save first gear. 21-22 ish psi here. Lots left in it! Oh and it was over 3700 lbs with me in it. Pig
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Old May 19, 2014 | 08:43 AM
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Re: Working the bugs out, 9.1 @ 155

way to go man!!!!!!
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Old May 19, 2014 | 08:47 AM
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Re: Working the bugs out, 9.1 @ 155

congrats , that thing moves out
hopefully my car will be running right around that range
what gear do u have in it, rpm in the traps? ? ive also put a th400 and brake in mine i just cant decide on a rear gear yet
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Old May 19, 2014 | 09:12 AM
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Re: Working the bugs out, 9.1 @ 155

AWESOME run man. MPH out the back door!
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Old May 19, 2014 | 09:31 AM
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Re: Working the bugs out, 9.1 @ 155

lookin really good!
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Old May 19, 2014 | 09:41 AM
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Car: 89 Iroc-z
Engine: 555 BBC Turbo
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Axle/Gears: MWC 9” 3.00
Re: Working the bugs out, 9.1 @ 155

3.42 with a 28" tire. Dyno says 155-157 mph is near 6800-7000. I didnt look at tach crossing the line. But its near peak

I need 3.23's when i turn it up, or else i hope valvetrain is stable to 7500 lol

It went 123 1/8. I thought it be closer to 130 but i couldnt lay all power into yet so maybe it will come up.

I left on 7 pounds, 6 psi per second ramp. It would take more hit but not more ramp
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Old May 19, 2014 | 09:55 AM
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Re: Working the bugs out, 9.1 @ 155

Originally Posted by Orr89RocZ
3.42 with a 28" tire. Dyno says 155-157 mph is near 6800-7000. I didnt look at tach crossing the line. But its near peak

I need 3.23's when i turn it up, or else i hope valvetrain is stable to 7500 lol

It went 123 1/8. I thought it be closer to 130 but i couldnt lay all power into yet so maybe it will come up.

I left on 7 pounds, 6 psi per second ramp. It would take more hit but not more ramp
3.23s eh? thats what im running in my camaro......
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Old May 19, 2014 | 10:04 AM
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Re: Working the bugs out, 9.1 @ 155

Originally Posted by Orr89RocZ
3.42 with a 28" tire. Dyno says 155-157 mph is near 6800-7000. I didnt look at tach crossing the line. But its near peak

I need 3.23's when i turn it up, or else i hope valvetrain is stable to 7500 lol

It went 123 1/8. I thought it be closer to 130 but i couldnt lay all power into yet so maybe it will come up.

I left on 7 pounds, 6 psi per second ramp. It would take more hit but not more ramp

i was thinking 3:23's with my setup , looks like its going t have to be 3.08's 6,500 -6,800 will be the upper limit on my stuff
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Old May 19, 2014 | 10:15 AM
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Re: Working the bugs out, 9.1 @ 155

I only got 3.42's cuz i was in a rush to get car running with 12 bolt. Summit didnt seem to have 3.08-3.23 in stock. Oh well live and learn

Calcs say 3.42 is good to 165-170 by 6800-7000 but when factor in converter slip it appears to be closer to 157-160. Thats if slip is 5%. If 8% its 152-156 by 6800-7000

Last edited by Orr89RocZ; May 19, 2014 at 10:20 AM.
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Old May 19, 2014 | 03:47 PM
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Re: Working the bugs out, 9.1 @ 155

NICE ..... keep up the good work an get that thing in the 8's
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Old May 19, 2014 | 05:48 PM
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Re: Working the bugs out, 9.1 @ 155

"wow, I didn't see that coming, 155 MPH."

Yep, Orr, that is one moving 3rd gen... but we saw it coming...

RBob.
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Old May 19, 2014 | 06:24 PM
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Re: Working the bugs out, 9.1 @ 155

Goodness thats fast! Nice set up man!
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Old May 19, 2014 | 08:01 PM
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Holy crap Orr! Nice run!
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Old May 19, 2014 | 11:54 PM
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Re: Working the bugs out, 9.1 @ 155

congrats! thats a hell of a street car and a thirdgen!
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Old May 20, 2014 | 07:25 AM
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Re: Working the bugs out, 9.1 @ 155

God that's fast.. 3700lbs too..

-- Joe
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Old May 20, 2014 | 07:40 AM
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Re: Working the bugs out, 9.1 @ 155

Congrats
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Old May 20, 2014 | 05:43 PM
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Re: Working the bugs out, 9.1 @ 155

Wow movin out! Runs good! Congrats man!

Jay
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Old May 20, 2014 | 06:04 PM
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Re: Working the bugs out, 9.1 @ 155

Originally Posted by Orr89RocZ
I only got 3.42's cuz i was in a rush to get car running with 12 bolt. Summit didnt seem to have 3.08-3.23 in stock. Oh well live and learn

Calcs say 3.42 is good to 165-170 by 6800-7000 but when factor in converter slip it appears to be closer to 157-160. Thats if slip is 5%. If 8% its 152-156 by 6800-7000
looks like im going to go with either a 2:73 or 3.08 for the dragstrip
and a 2.29 for boneville this year as it the lowest numerical gear i can get my hands on

ideally id like to go with a 4l80 and 3:42 setup but its just not in the cards right now
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Old May 20, 2014 | 06:24 PM
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Re: Working the bugs out, 9.1 @ 155

SA-WEET!!!!!!!!!!!!! run and Congrats!!!!! and the announcer WOW didn't see that coming lmao!!!!!!
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Old May 20, 2014 | 09:38 PM
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Re: Working the bugs out, 9.1 @ 155

Damn impressive! So other than getting better times do you feel satisfied with your current setup?
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Old May 20, 2014 | 09:59 PM
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Re: Working the bugs out, 9.1 @ 155

Eh can you ever be satisfied? Lol. Didnt datalog it so not sure what the iat's were. Tune was alittle conservative. Was hoping for 160 mph that night but couldnt get a clean run.

Doing a 3rd pump next few weeks getting ready for Next street street night june 20. Up the boost add race gas and really see what it can trap!
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Old May 20, 2014 | 11:03 PM
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Re: Working the bugs out, 9.1 @ 155

Haha I guess not no
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Old May 20, 2014 | 11:22 PM
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Axle/Gears: MWC 9” 3.00
Re: Working the bugs out, 9.1 @ 155

Car drives absolutely great tho. Only thing this car needs to be perfect is a cup holder and lockup overdrive trans! So streetable even tho its not as quiet as it used to be
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Old May 21, 2014 | 07:44 AM
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Re: Working the bugs out, 9.1 @ 155

Nice orr. That car moves.
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Old May 21, 2014 | 09:19 AM
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Re: Working the bugs out, 9.1 @ 155

Wow Orr, thats fast. Congratulations. What are you looking at for et's? What are you shooting for?
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Old May 21, 2014 | 10:03 AM
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Re: Working the bugs out, 9.1 @ 155

Well i just wanted an 8 to be considered 8 sec street car. It has that easily on same power just need better traction.
Local supra went 8.4's shooting for 7's. 1220's whp. I'd now like to match or exceed that power even tho i am heavier and shoot for bottom 8's. i can get down to 3600 with me in it with skinnies and drop exhaust. Love to see a mid high 160's trap maybe even a 170. It should be doable. I should have enough turbo and injector
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Old May 21, 2014 | 06:19 PM
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Re: Working the bugs out, 9.1 @ 155

love the car!!!
what efi system are you using?
what about boost control...ams?
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Old May 21, 2014 | 06:59 PM
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Re: Working the bugs out, 9.1 @ 155

Ls1 pcm controlled, with victor e efi single plane and elbow. Ams-500 controller. I like it, will add co2 some day and really make it fun
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Old May 22, 2014 | 02:58 AM
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Re: Working the bugs out, 9.1 @ 155

put a chute on that thing..lol
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Old May 30, 2014 | 10:53 AM
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Re: Working the bugs out, 9.1 @ 155

Nice pass.
On a side note...
I went out last Friday and my new motto is "Put an 11 second driver in a 10 second car and you will still run 11's."
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Old May 30, 2014 | 11:31 AM
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Re: Working the bugs out, 9.1 @ 155

...............................

Last edited by Alice89; Jun 24, 2014 at 05:18 PM.
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Old Jun 1, 2014 | 10:19 AM
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Re: Working the bugs out, 9.1 @ 155

Congrats man, that's freaking awesome!!!
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Old Jun 10, 2014 | 07:29 AM
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Re: Working the bugs out, 9.1 @ 155

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Hit track other night again and improved the launch. I only ran thru most of 1/8 letting off early lol. 1.39 60' pickin up driver tire, 255/40/18 lol. Not to shabby. It should hang em good on more boost but trans fried on the tbrake. Think it was slipping and welded clutches together. I only have 3rd gear now. Trans is coming out this week
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Old Jun 10, 2014 | 08:38 AM
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Re: Working the bugs out, 9.1 @ 155

Originally Posted by Orr89RocZ


Hit track other night again and improved the launch. I only ran thru most of 1/8 letting off early lol. 1.39 60' pickin up driver tire, 255/40/18 lol. Not to shabby. It should hang em good on more boost but trans fried on the tbrake. Think it was slipping and welded clutches together. I only have 3rd gear now. Trans is coming out this week

what do u have for front suspension?
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Old Jun 10, 2014 | 08:44 AM
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Re: Working the bugs out, 9.1 @ 155

Eibach pro kit, stock 36mm sway bar, tds wonder bar, riding around umi tube k and a-arms, with adjustable tokico illuminas set to 1/5. Lightest setting. May try 2 or 3 next time to limit front end rise to give rear suspension chance to work more. Had a slight squat
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Old Jun 10, 2014 | 08:51 AM
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Re: Working the bugs out, 9.1 @ 155

Now THAT's a street car.
Ever thought about Drag Week?
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Old Jun 10, 2014 | 08:56 AM
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Axle/Gears: strange s60 /w 3:42's
Re: Working the bugs out, 9.1 @ 155

Originally Posted by Orr89RocZ
Eibach pro kit, stock 36mm sway bar, tds wonder bar, riding around umi tube k and a-arms, with adjustable tokico illuminas set to 1/5. Lightest setting. May try 2 or 3 next time to limit front end rise to give rear suspension chance to work more. Had a slight squat

not what i expected , she launches good on that setup though

making me rethink my drag strut and springs
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Old Jun 10, 2014 | 09:14 AM
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Re: Working the bugs out, 9.1 @ 155

I dont believe you need fancy drag stuff to make things work. I think adjustable shocks make the biggest difference. Its a street car at heart so it has to ride on stiff handling suspension

Rear is same shocks set 4/5 stiff i think and prokit springs. 24mm sway

Time will tell tho. Still aint hooking well with more aggressive settings on boost controller. I think its still in need of suspension tuning but also drag radial issues. Its harder to hook these in heavy cars i guess. Track prep needs to be better than a bias ply or slick i hear

No drag week for me lol no interest or time in that. Too expensive

Last edited by Orr89RocZ; Jun 10, 2014 at 09:18 AM.
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Old Jun 10, 2014 | 10:03 AM
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Re: Working the bugs out, 9.1 @ 155

Maybe it's time for a full fledged slick? I know guys can make the radials work but it seems like a lot of work. Stuffing as wide and tall a slick that'll fit may be the answer to what ails ya (so to speak).
As for the squat, while there's no comparison between yours and mine other than they're both lowered 3rd gens, despite having my LCAs in the lowest hole of the Spohn LCRBs, the arm is well past horizontal on the launch. I've thought of modifying the brackets to allow for further relocation of the LCAs in attempt to get the rear suspension to work a little better and help push the rear axle down at the hit.
Long live your street suspension and the big tires up front. There's something about that picture with air under the 255/40/18s that says "really?!".
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Old Jun 10, 2014 | 10:12 AM
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Re: Working the bugs out, 9.1 @ 155

I think it may have lifted both a split second after this pic was taken. Sure felt like it came up the whole way out. Lol

I will try more rear shock setting and more front to control rate of the rise. Should help along with rampin in even slower. Needs slow ramp, more initial boost hit.
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Old Jun 10, 2014 | 11:35 AM
  #41  
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Originally Posted by Orr89RocZ
I think it may have lifted both a split second after this pic was taken. Sure felt like it came up the whole way out. Lol

I will try more rear shock setting and more front to control rate of the rise. Should help along with rampin in even slower. Needs slow ramp, more initial boost hit.
Even if it didnt lift both up thats still an awesome launch! Orr I love your car man! Though Ill admit, I did like it a little more with the turbos poking through the hood
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Old Jun 10, 2014 | 12:48 PM
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Re: Working the bugs out, 9.1 @ 155

Ever thought of air bags? I found them to be nice tuning aid. A little pre-load on the right side helped my 60' on a marginally prepped track.
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Old Jun 10, 2014 | 04:32 PM
  #43  
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Re: Working the bugs out, 9.1 @ 155

Yup. May get one depending on how things go. Tires rub fender lip when it squats like that amd i want to avoid that. Will try shock settings and if that dont work will try a bag
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Old Jun 10, 2014 | 06:00 PM
  #44  
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Re: Working the bugs out, 9.1 @ 155

Originally Posted by Orr89RocZ
Yup. May get one depending on how things go. Tires rub fender lip when it squats like that amd i want to avoid that. Will try shock settings and if that dont work will try a bag

before u buy air bag try this

and try not to laugh cause it really works
have an old football laying around? deflate it and stuff it in the coil spring then pump it back up to ur desired amount

if it helps then go out and get an air bag
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Old Jun 10, 2014 | 06:20 PM
  #45  
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Car: 89 Iroc-z
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Axle/Gears: MWC 9” 3.00
Re: Working the bugs out, 9.1 @ 155

Lmao i dont doubt that works but i do not have a fooseball anymore lol
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Old Jun 10, 2014 | 06:32 PM
  #46  
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From: Utah
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: Working the bugs out, 9.1 @ 155

Originally Posted by Orr89RocZ
Lmao i dont doubt that works but i do not have a fooseball anymore lol

12$'s at walmart lol much cheaper then buying an airbag
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Old Jun 10, 2014 | 09:31 PM
  #47  
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Re: Working the bugs out, 9.1 @ 155

Yeah the football build quality might be better than an airbag too... jk
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Old Jun 19, 2014 | 05:56 PM
  #48  
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From: Cape Fair,Missouri
Car: 1991 Trans Am GTA Drag Radial Car
Engine: F-2 Procharged 18* 434 sbc on Alky
Transmission: Powerglide,Neal Chance Converter
Axle/Gears: Moser 9" Ford 3.50's,35 spline axle
Re: Working the bugs out, 9.1 @ 155

Nice Orr!! What was the 1/8 mile ET? I would also try stiffening the rear some, I would try 2 clicks stiffer on drivers rear and 3 clicks stiffer on passenger rear....leave the fronts set to lightest setting.....

Last edited by Procharged GTA; Jun 19, 2014 at 06:01 PM. Reason: added info
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Old Jun 19, 2014 | 09:52 PM
  #49  
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Car: 89 Iroc-z
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Transmission: TH400
Axle/Gears: MWC 9” 3.00
Re: Working the bugs out, 9.1 @ 155

I'm only 5.96 at 123 on that pass.

Last outing i got a 1.39 60' and went 5.93 at 103 letting out early before the 1/8
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Old Jun 20, 2014 | 04:35 PM
  #50  
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Car: 1989 Camaro RS
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Re: Working the bugs out, 9.1 @ 155

lifting stock style wheels nice.. looks like a lil body roll. hopefully not chassis flex
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