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Heading to the track for the 1st time this year after new engine swap..

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Old Sep 3, 2009 | 10:40 PM
  #1  
TADailyDriver's Avatar
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From: Lowell, Michigan
Car: 1988 Trans Am, 2005 Sierra 2500
Engine: Vortec 357
Transmission: Built TH700R4 with 26-2800 Stall
Axle/Gears: GM 10 bolt 3.73 Posi
Heading to the track for the 1st time this year after new engine swap..

Im heading to the local drag strip after work tommrow nite. They are having their normal fun and grudge test and tune with a Midnight Madness at 9-11. I just worked the last of the many electrical gremlins out of my new engine I hope. Here are my engine specs:

1975 350 2 main bolt engine bored .40" (357)
Edelbrock Performer ESP Vortec Dual Plane Squarebore intake manifold
1999 Vortec 350 cylinder heads (062 casting #) new seals, stock.
Edelbrock Performer Plus Camshaft Flattappet .442" total lift on intake/exhaust
Edelbrock 600CFM Carburator with Vaccum secondaries
Hooker Super Competition Headers
Full 3" exhaust with single 3" cutout
K&M Open Element 14x3" Filter
1LE A/C delete Pulley
Smog pump bypassed
MSD "Ready to Run" E- Curve Distributor
Eagle Steel Crankshaft machined .10/.10
Keith Black Hypertenetic Teflon coated Aluminum Pistons w/ Cast Iron rings

Transmission Specs:

TH700R4 with complete overhaul/rebuild.
B&M Transgo Shift kit stage 2 with Corvette Servo
BullyDog 2400-2800 Stall Converter
High pressure/12 fin transmission pump
Kevlar Clutch band
Hi-performance clutch kit (dont remember brand name at this time)

Now Im running the stock gears in the rear for now, 2.73 (drum brakes). Im looking for a low to mid 14 second time slip but what do you all think i will run. Im running Nitto 555R Extreme Drag Radials for traction. All stock suspension setup as well. I believe a low 14 second time slip is possible with the right reaction time, but everyone ive talked to says a low 15 at best. Weather should be around the 60's to high 50's come 9pm. Cam isnt as big as i wanted but money got tight and it was free from a good friend and being brand new never used i couldnt say no. Ill post pics and vids as soon as i get them tommrow night.
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Old Sep 5, 2009 | 01:42 AM
  #2  
UnderCover89TBI's Avatar
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From: Manteca,California. Nor Cal.
Car: SOLD IT. Mopar guy only now.
Engine: gone
Transmission: gone
Axle/Gears: gone
Re: Heading to the track for the 1st time this year after new engine swap..

if you can hook up i see low mid 14's. but stock suspension with the weather wheel hop will probably be pretty bad. good luck to you and let us know what it runs
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Old Sep 5, 2009 | 11:54 AM
  #3  
TADailyDriver's Avatar
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From: Lowell, Michigan
Car: 1988 Trans Am, 2005 Sierra 2500
Engine: Vortec 357
Transmission: Built TH700R4 with 26-2800 Stall
Axle/Gears: GM 10 bolt 3.73 Posi
Re: Heading to the track for the 1st time this year after new engine swap..

Originally Posted by UnderCover89TBI
if you can hook up i see low mid 14's. but stock suspension with the weather wheel hop will probably be pretty bad. good luck to you and let us know what it runs
Well the track was so busy that i only got to make 2 passes in 4 hours!
but the car didnt make the times i was hoping for: here are my passes in order:

Pass #1

RT- +.1794
60 ft- 2.3388
330 ft- 6.6288
ET @ 594 ft- 9.4721
1/8 ET- 10.1036
1/8 MPH- 71.25
1000' ET- 13.085
1/4 ET- 15.6204
1/4 MPH- 88.88

The first pass was bad as i only stalled it at 2100 and the car started missing bad around 4k so i had to let out and get back into it. before the 2nd pass i jumped the timing up, dropped my rear tires to 25psi and took my air cleaner off.

pass #2

RT- +.4201
60 ft- 2.2719
330 ft- 6.3770
ET @ 594 ft- 9.1876
1/8 ET- 9.8151
1/8 MPH- 71.71
1000' ET- 12.7805
1000' MPH- 82.56
1/4 ET- 15.2931
1/4 MPH- 89.74

2nd pass was better, was able to stall the car at 2400rpm this time, engine didnt miss at all but bogged a little bit in 3rd. I definelty think a bigger carb and some 3.73 gears would give me an impovement. Car weights 3150 lbs with me in it. I was ruinning premium and tank was 1/2 full. I havent tested the stall with the new tires to see if the tires will hold around 3k. Might go back later this weekend and try and make some more runs. If anyone has any imput on what i can do to get better times it would be appreciated. I have 2 vidoes and will get them up asap. they were taken on a camera phone tho. Talked to a guy who had a 1987 GTA with a 96" LT1 with a ProChager pushing 850 Hp. He ran mid 9's at 136mph. In all i counted 7 thirdgens all together. Got alot fo good ideas for the next motor build hehe....
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Old Sep 5, 2009 | 12:03 PM
  #4  
Manic Z's Avatar
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From: Hamilton Ontario Canada
Car: 1985 Camaro IROC-Z
Engine: 350
Transmission: GForce T-5
Axle/Gears: 10 bolt 3.73 posi
Re: Heading to the track for the 1st time this year after new engine swap..

You will need a gear swap to hit that low 14 mark, but you're still short I'd say about 50 horsepower somewhere.
Your combo should trap somewhere in the mid 90 mph mark (95mph or so)

I think you need to tune the engine first. What's the timing like?
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Old Sep 5, 2009 | 12:11 PM
  #5  
TADailyDriver's Avatar
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Joined: Feb 2008
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From: Lowell, Michigan
Car: 1988 Trans Am, 2005 Sierra 2500
Engine: Vortec 357
Transmission: Built TH700R4 with 26-2800 Stall
Axle/Gears: GM 10 bolt 3.73 Posi
Re: Heading to the track for the 1st time this year after new engine swap..

Originally Posted by Manic Z
You will need a gear swap to hit that low 14 mark, but you're still short I'd say about 50 horsepower somewhere.
Your combo should trap somewhere in the mid 90 mph mark (95mph or so)

I think you need to tune the engine first. What's the timing like?
total timing is 32* as of now. I had a co worker at work tune it as ive neve delt with a digital timing system before. Im not sure if he adjusted the advaces under the cap or not. That may be one of the culprits. But im already loking into buying a Holley 670 Street Avenger Carb or a Demon. The 600 is just too small I think. Also the custome y-pipe the exhaust shop built for me looks to be very restricive so I may also go ahead and buy the Hooker Header y pipe for the 2055's. With only 2 passes made im not very satisfied. Going to go a retune and see what I can do from there. Hopefully I can get the car to launch at around 3k, that would definelty help my 60ft.
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