1st Generation Specific (1979-1985) 1979-1985 Discussion including performance modifications and technical support sections

Ran a 15.05

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Old 06-01-04, 03:51 PM
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Ran a 15.05

Hey guys, I'm so proud of my baby. 15.05 at 91 MPH. 2.0 Hook time with a stock clutch and Nitto 555Rs. My mods include a 600cfm edelbrock on a racing beat mani. Racing beat header with no cat and a bypass pipe out the side after the road race collector. It's an 84 gslse with the original stock 6-port non-ported motor pushing 195000 miles. I also have MSD with direct fire on the leading plugs. It was also 90 degrees outside. Is this impressive, or normal. I have the timeslip to prove it!!!
Old 06-01-04, 03:55 PM
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id say slow considering the mods.
Old 06-01-04, 04:03 PM
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Not bad for 195000 miles.
Old 06-01-04, 04:06 PM
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i'd say pretty good, but i'd get it ported.
Old 06-01-04, 04:06 PM
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nice time!
Old 06-01-04, 04:07 PM
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Originally posted by Fuel524
id say slow considering the mods.
I wouldn't.
Old 06-01-04, 04:10 PM
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It's runnin quite rich. Should I risk leaning it out with the mileage. Its a drag only car. I run in a bracket league. I only shift at 7500 rpm.
Old 06-01-04, 04:29 PM
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timeslip
Old 06-01-04, 04:39 PM
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love the braaaap

 
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Lean it out a little and find out what happens. Not too much though. I bet you could get 14.8 out of it if you do that.

BTW, what was the car you were running against?
Old 06-01-04, 05:10 PM
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i think its a pretty good time
Old 06-01-04, 07:05 PM
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i pulled a faster 1/8th time on shitty tires and the stock carb with a 2.230 60ft (but it was an 1/8th track...so i have no idea what my car runs in the 1/4)

also my 1/8th trap speed was 72.33
Old 06-01-04, 07:31 PM
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That makes me sad. I only have exhaust and the emissions removed. I was hoping for 16s, but you with a carb and MSD and **** makes me think I'll barely get 17s.
Old 06-01-04, 09:05 PM
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Thats exactly what my car ran in the 1/8th so I would say good time. It all depends on weather and track. I have a 600cfm on an 86 6-port with all the same mods. I think it can definitley get faster, but takes some tuning and some guts.
Old 06-01-04, 09:12 PM
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love the braaaap

 
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Misthael, your car will run AT LEAST 16.5 in the quarter. A stock 7 is capable of more than you think. Most will run under 17 sec., unless its a very high mileage car with bad tuning.
Old 06-01-04, 09:14 PM
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what about mine I mean I was told like a 14 maybe
Old 06-01-04, 09:19 PM
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love the braaaap

 
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Yapa, I think your car is capable of low 14's. I would be willing to bet that your carb is choking the engine at higher rpm's though. A mikuni with 40 MM barrels is probably barely enough for a streetport 13B. I would bet that if you upgraded to a weber 48 dcoe or similar Mikuni or Dellorto car you could get another 10 HP, mabey more.

RB suggests their modded 51 IDA Weber for a streeport 13B, so IMO a 40 PHH Mikuni is a little small.
Old 06-03-04, 12:47 AM
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the car i was running against was an old turbo-ed rabbit that blew an intercooler pipe halfway down the. track He runs high 13's normally
Old 06-03-04, 12:55 AM
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That's a good trap speed - the true measure of how fast your car is.
Old 06-03-04, 01:10 AM
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yeah.. pretty boy web should know!

btw.. your reaction time is .3?!?! that's mighty PRO status

Last edited by d0 Luck; 06-03-04 at 01:13 AM.
Old 06-03-04, 02:46 AM
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i must of missed it.. but is it a 12a or 13b?
Old 06-03-04, 03:04 AM
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13b 6 port. Not ported either.
Hate to say it, but we run on a .000 tree when we do test & tune, so .3 sucks *****. I'm usually in the .010- .080 range, which is eight hundredths off of perfect. My throttle cable was sticking that night, so I wasnt really paying attention to the RT. Thanks anyway
Old 06-03-04, 03:05 AM
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Oh, and elevation was 1500 feet
Old 06-03-04, 03:13 AM
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Someone told me if your elevation is higher your carb runs better on smaller jets. Is this true. I'm running #60 primaries on a RB Holley 600 w/13B streetported 4 port and a 90 rotating assy. Pulls real hard..
Old 06-03-04, 04:24 AM
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Originally posted by gonzz
Someone told me if your elevation is higher your carb runs better on smaller jets. Is this true. I'm running #60 primaries on a RB Holley 600 w/13B streetported 4 port and a 90 rotating assy. Pulls real hard..
makes sense.. less oxygen/so use less fuel
Old 06-03-04, 06:17 AM
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I dont think the timeslip is bad at all!Much better than when i did my test run..

I did a 17.4.It was @ 5700 feet above sea level,with the carb not tuned,and a bad fuel pump.

You time would be : 14.80 @ 97.4 If the run was at sea level

Congrats!
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