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Good day at the track
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The_Raven
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Joined: 16 Aug 2003
Posts: 148
Location: The nest
3655.66 points


1985 Chevrolet S10

PostPosted: Wed Oct 22, 2003 11:09 pm    Post subject: Good day at the track Reply with quote

Well after many failed attempts to get to the track, weather being the most common reason, this summer, I went with some friends to a rented track day.

Conditions were decent, not ideal but decent, 20 or so degree weather, overcast, and a slick (for me) track.

I ran a best of 13.873 @ 99.08 with a 2.07 60', which may not sound like much to most of you, but I am running probably the smallest engine here, a 3.2L 60 degree V6. It's a hybrid, the block used to have iron heads, and is from an '86 S-10, I have installed 'a '92 3.1L crank (3.31" stroke), Federal Mogul hypereutectic .030 over pistons, with a static CR of 8.9:1, a GM performance cam (same as crane 260-2), '95 3100 heads and intake (aluminium) '88 Cavalier wiring harness (truck was originally carb equipped), '89 Cavalier ECM, Garret T-3 turbocharger (from a mid eighties Turbo Coupe), custom made headers, Mitsubishi Starion IC, Eagle Talon BOV, 19 lb/hr injectors, all in a 1985 GMC S-15 Jimmy, with stock suspension and an open dif 3.73 (stock) rear end, with 26" tall '99 S-10 ZQ8 16 rims.

I have a fuel deleivery issue to deal with at the top end, I was running an AFR of between 14-15:1 causing some detonation issues, and the ECM was pulling timing back to compensate, I know I would have broke triple digit MPH if it wasn't doing that.

I also have some serious traction issues, that need to be dealt with, I have an LSD to go in with 3.42 gears, that should load the turbo more off the line and get me a better top end charge. I am thinking of either bolt on trac bars or maybe a custom ladder bar.

If you want to see pictures of the truck go here: www.domesticcrew.com/raven/James

Overall I'm happy with the results so far, I can see a mid to low 13 with some tuning. Very Happy

_________________
"James": 1985 GMC Jimmy, 3.2L turbocharged intercooled hybrid. 13.873 @ 99.08
"Bu" 1998 Chevy Malibu, mostly stock.

"Speed costs, How fast do you want to go?"
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SMOKEmUP
PostMaster


Joined: 30 May 2002
Posts: 3171

65149.84 points


1979 Chevrolet Camaro

PostPosted: Thu Oct 23, 2003 10:21 pm    Post subject: Reply with quote

How much does it weigh? That's pretty fast.
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The_Raven
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Joined: 16 Aug 2003
Posts: 148
Location: The nest
3655.66 points


1985 Chevrolet S10

PostPosted: Fri Oct 24, 2003 3:28 am    Post subject: Reply with quote

From curb weight specs I have found and a decent approximation, I'd say with me and a full tank of fuel (which it pretty much was), between 3000 to 3100 lbs.
What does 94 octane fuel weigh per liter (or gallon) anyway?

_________________
"James": 1985 GMC Jimmy, 3.2L turbocharged intercooled hybrid. 13.873 @ 99.08
"Bu" 1998 Chevy Malibu, mostly stock.

"Speed costs, How fast do you want to go?"
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SMOKEmUP
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Joined: 30 May 2002
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65149.84 points


1979 Chevrolet Camaro

PostPosted: Fri Oct 24, 2003 10:02 am    Post subject: Reply with quote

1 gallon of fuel roughly weighs 6 pounds.
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jbeier
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Joined: 20 Aug 2003
Posts: 18
Location: Bethlehem, PA
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PostPosted: Fri Oct 24, 2003 10:56 pm    Post subject: Reply with quote

I'm running a 2.4L chevy, so maybe I'm the small guy around here, hee hee. But I'm only running a 15.465 so far Sad Not bad for a stock Cavalier though Smile
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SMOKEmUP
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Joined: 30 May 2002
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1979 Chevrolet Camaro

PostPosted: Sat Oct 25, 2003 12:38 am    Post subject: Reply with quote

I'm surprised you're running that fast. My daily driver a 3.0 taurus SHO was only in the mid 15's. The trap speed was pretty good at 91 mph. The clutch was starting to slip and my 60' time totally sucked, 2.5 seconds.
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jbeier
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PostPosted: Sat Oct 25, 2003 5:41 pm    Post subject: Reply with quote

My 60' time for that run was 2.216. My best ever was 2.143. I usually get low 2.2's. My clutch is about fried too. It slips in second and it completely disinegrates in 3rd. I should be seeing a 15 flat with a new clutch! Smile And soon comes the spray!
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Poormansvette
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Joined: 29 May 2003
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PostPosted: Sun Oct 26, 2003 11:33 am    Post subject: Reply with quote

Thats great Raven Im glad to see it all coming together. Did you expect more or less. Fine tuning is a real pain, but I know you'll get it right Don
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clay
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Joined: 24 Nov 2002
Posts: 3209
Location: South Carolina
318129.23 points


1972 Chevrolet Nova

PostPosted: Sun Oct 26, 2003 5:33 pm    Post subject: Reply with quote

I love it. What a combination, parts from several engines and manufacturers working together. I bet it took a lot of work and tuning, but it sounds like a great setup. Clay
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The_Raven
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Joined: 16 Aug 2003
Posts: 148
Location: The nest
3655.66 points


1985 Chevrolet S10

PostPosted: Mon Oct 27, 2003 2:48 am    Post subject: Reply with quote

PMV; When I first built it, I was shooting for low 14s/high13s, "once it was tuned", but with the little bit of "tuning" that has been done and to get there, I know there is more in it, I'm now shooting for low 13s, and if I'm lucky high 12s, I figure a low 13 daily driver is pretty decent. Wink

Clay; Thanks, It did take quite a bit of work, I guess you could say it was my own "parts bin" project. Wink I still have to tune the combo, the ECM is stock 2.8L N/A code, for a 1989 Cavalier. lol The chassis definatly needs some attention, the wheel hop is very bad, or I just sit there and spin. Confused

There will be some upgrades for next year, which will be the next time I'll be able to get back to the track, I hope to have it a lot more dialed in by then.

_________________
"James": 1985 GMC Jimmy, 3.2L turbocharged intercooled hybrid. 13.873 @ 99.08
"Bu" 1998 Chevy Malibu, mostly stock.

"Speed costs, How fast do you want to go?"
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omnivore
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Joined: 03 Nov 2003
Posts: 8
Location: Brantford,ON,Canada
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PostPosted: Mon Nov 03, 2003 12:41 am    Post subject: Reply with quote

Quote:
but I am running probably the smallest engine here
...I would like to lay claim to that title,LOL

Dude..I just came on here to use the HP calculator,LOL...and lo and behold, who do I find?...CHRIS!!
Again, congrats on the times...you don't give it (your setup) enough credit man...that pig weighs alot more than 3200 lbs....Loaded Dodge daytonas weigh that much.....I just looked around the net and found stock weights for 2WD Jimmys in the 4200-4500 lb area..

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Dodge Omni GLH
13.1@104 MPH
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The_Raven
Member


Joined: 16 Aug 2003
Posts: 148
Location: The nest
3655.66 points


1985 Chevrolet S10

PostPosted: Mon Nov 03, 2003 4:09 am    Post subject: Reply with quote

Scott, what's up? I saw the name and though to myself, no it can't be... but it is you. Very Happy Welcome aboard!

Thanks again, I am quite proud of how it is working so far, remember I'm coming after you next, now that Joe is long gone. Wink Razz

I'll have to actually weigh my truck, are you sure you weren't looking at 2nd gen Jimmy weights, they weigh a lot more than mine.

_________________
"James": 1985 GMC Jimmy, 3.2L turbocharged intercooled hybrid. 13.873 @ 99.08
"Bu" 1998 Chevy Malibu, mostly stock.

"Speed costs, How fast do you want to go?"
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omnivore
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Joined: 03 Nov 2003
Posts: 8
Location: Brantford,ON,Canada
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PostPosted: Tue Nov 04, 2003 1:10 pm    Post subject: Reply with quote

So when the wether permits (in the net week or 2) we should head back to the track for a final hurrah this season....Got my new RFL BOV, so if the Talon one was leaking, this'll be the cure, on my way to a 25 psi pass...hello 12 seconds!LOL
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jbeier
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Joined: 20 Aug 2003
Posts: 18
Location: Bethlehem, PA
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PostPosted: Thu Nov 06, 2003 11:13 pm    Post subject: Reply with quote

Dang, you got me by .2 liters!
_________________
'99 Cavalier Z24 /13.303@105MPH Done with FWD cars
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omnivore
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Joined: 03 Nov 2003
Posts: 8
Location: Brantford,ON,Canada
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PostPosted: Fri Nov 07, 2003 1:14 am    Post subject: Reply with quote

Quote:
Dang, you got me by .2 liters!

...and almost 2.5 seconds and 100 hp,LOL...sorry dude, couldn't resist..J/K

Hey Chris! I know of a guy here in town selling an LSD, disc brake rear axle from a '91 or newer Trans Am. Unsure of ratio though. He wants $400 CDN(I am betting he is negot. on it)

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