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

what is the best carb setup?

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Old Aug 21, 2005 | 02:07 PM
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what is the best carb setup?

I looking for a carb setup for my 84 gsl. I want good performance, decent gas milage and for relitivly cheap.

Any known setups?
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Old Aug 21, 2005 | 02:11 PM
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Well the obvious are webers 48 IDA and Holly's 465cfm carb sold on RacingBeat.com - If you are looking for good gas mileage get the sterling carb from Yaw control.
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Old Aug 21, 2005 | 02:15 PM
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yaw dont selll nomore sorry to say.
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Old Aug 21, 2005 | 02:38 PM
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if your looking for good gas mileage your pretty much out of luck... But I would recommend going with a weber 48dcoe, or the weber 48ida, if you want your car as a daily driver the dcoe or for a weekend racer the ida.

The Mikuni is also supposed to be a very streetable setup as well. Remember though for any of the setups you choose you will need to have full exhaust done, a upgraded fuel pump and a fuel pressure regulator.

Right now I have a weber 45dcoe but if I could do it all again I would hold out for a 48 ida because it could handle a huge streetport or another demanding engine... And at the same time it would have massive amounts of high rpm hp which my dcoe seems to lack in a little bit (performance seems to come from the 2500-6000 rpm range)
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Old Aug 21, 2005 | 04:08 PM
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I actually get pretty good mileage with my 48 IDA on a big streetport when not ******* it every second. (2.5-3 days between refills!) Running 65f10 idles it will cruise along perfectly and really quiet at 2000rpm in 4th gear....between 35 and 40 mph. Then the instant gratification when you get on it. I really would'nt even bother with a holley...sidedrafts are ok, but buy 1 carb and buy a 48 IDA, you'll never go back.
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Old Aug 21, 2005 | 04:22 PM
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who sells the ida?
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Old Aug 21, 2005 | 04:25 PM
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read the 2nd post my friend.
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Old Aug 21, 2005 | 04:53 PM
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I'd have to say Holley's all the way! I had the Weber set up (actually had 2 diffrent 48's) and then switched to Holley after seeing all the racers (drag) that ran carbs, using them. Not one drag car that I have seen ran a Weber, not to say that there not good but I think it has to do with ease of part availibility and adjusting. My car is street ported with a holley 600 cfm and I couldnt ask for more!
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Old Aug 21, 2005 | 04:59 PM
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edelbrook makes a good carb i had one on a old 2nd gen that i converted to a carb. It picks up better than the holley. Im pretty sure it is beacuse it is a spread bore carb but a holley will flow more cfms at a higher rpm range but i think it was to much. THe holley i had started to lean out at around 5500 i didnt have ne problems with the edelbrook though.
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Old Aug 21, 2005 | 05:50 PM
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how much mpg are u guys gettinhg with the carb and exhaust set up ?
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Old Aug 21, 2005 | 05:51 PM
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how much mpg are u guys gettinhg with the carb and exhaust set up ? and how much power is produced?
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Old Aug 21, 2005 | 07:24 PM
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sterlings are good. Plus they're only $350. I'm gonna get me one soon
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Old Aug 21, 2005 | 08:13 PM
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Sterlings are good but you gotta wait forever to get one! Besides I think you are limited to the a stock motor or small street port with a sterling carb.. Not sure though. GO HOLLEY!
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Old Aug 21, 2005 | 08:29 PM
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well i got 18 city and im not to sure about highway but i could go for a 4hr drive and only have to fill up once and that was 4hrs later
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Old Aug 21, 2005 | 09:32 PM
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I know where you can get a Sterling in about 2 weeks with a RB power pulse air filter housing and filter, and a ported intake.....for $350. PM me.
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Old Aug 24, 2005 | 07:03 PM
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Originally Posted by evil_motors
who sells the ida?
it was on e-bay yesterday. Bought 2 for $600.
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Old Aug 24, 2005 | 07:05 PM
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Yep. PM Sterling and get one of his carbs.
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Old Aug 24, 2005 | 07:10 PM
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Originally Posted by Latin270
I'd have to say Holley's all the way! I had the Weber set up (actually had 2 diffrent 48's) and then switched to Holley after seeing all the racers (drag) that ran carbs, using them. Not one drag car that I have seen ran a Weber, not to say that there not good but I think it has to do with ease of part availibility and adjusting. My car is street ported with a holley 600 cfm and I couldnt ask for more!

sure v8 drag racers use holley's but what do all the big time rotary drag racers use? IDA weber... PERIOD. For damn good reason too.

If you want better milage get a holley, if you want better power get a weber
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Old Aug 24, 2005 | 08:02 PM
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Originally Posted by wackyracer
it was on e-bay yesterday. Bought 2 for $600.
Dammmm! Good job Wacky I paid 600 for 1 and an intake manifold.
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Old Aug 24, 2005 | 08:04 PM
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Originally Posted by hornbm
sure v8 drag racers use holley's but what do all the big time rotary drag racers use? IDA weber... PERIOD. For damn good reason too.

If you want better milage get a holley, if you want better power get a weber
The knock on the holley is that it looses fuel pressure going around the twisties. IDA for road racing, DCOE for street. The IDA will make more power.
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Old Aug 24, 2005 | 09:13 PM
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Originally Posted by fcdrifter13
edelbrook makes a good carb i had one on a old 2nd gen that i converted to a carb. It picks up better than the holley. Im pretty sure it is beacuse it is a spread bore carb but a holley will flow more cfms at a higher rpm range but i think it was to much. THe holley i had started to lean out at around 5500 i didnt have ne problems with the edelbrook though.
Did you run that Edlebrock striaght out of the box? I had wondered if they would work without any mods.
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