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Topic Review (Newest First)
05-05-2004 12:29 AM
Jag Daddy Found this cool info link, maybe it will help someone else too
Holley Carb Info

Regards
Mark
05-04-2004 07:22 PM
tresi I seen a pontiac ventura with a 455 run a 10.83 with a 600 vac sec carb that had no other work other than a jet change. So you reall don't have to worry about the carb being too small. You could slap an adaptor on and a throttle bracket and it would go down the road. Be aware that that type of adaptor doesn't make a real smooth transition to the manifold. What ever carb you use get the manifold that fits it.
05-04-2004 06:18 PM
Jag Daddy
Quote:
Edelbrock does offer a Qjet, but when you said 600 cfm & Edelbrock I assume you mean the square flange edelbrock, Edelbrocks version of the AFB.
Sorry at first I was referring to the regular Edelbrocks. Well the Holley I was referring to came off a SBC so how hard would it be to get it to work.

20.00 for the Holley I couldn't pass it up, it even had an electric choke. I guess I could rebuild it and sell it. The Qjet I have needs a new choke and a I'm sure a rebuild wouldn't hurt. I looked at the electric choke kit for it and it wasn't cheap. Oh well back to the drawing board.

Regards
Mark
05-04-2004 04:37 PM
stepside454 Edelbrock does offer a Qjet, but when you said 600 cfm & Edelbrock I assume you mean the square flange edelbrock, Edelbrocks version of the AFB.
05-04-2004 09:00 AM
Sudden Psycho 31 to exchange the two, you will need an intake adapter, and sometype of linkage setup and braketry to make it all line up...
throttle , kickdown , etc
05-04-2004 08:36 AM
Jag Daddy Isn't the Edelbrock a Qjet copy? One of the man reasons I'm asking is a friend of mine has a Holley 600 CFM sitting in his garage for 20.00. I was thinking after a rebuild it would still be cheaper than the new Edelbrock. I might just get it for a spare anyway.

How hard is it to interchange Holley with a Qjet anyway? Cabling etc.

Regards
Mark
05-04-2004 07:18 AM
juveteach Stick with the Q jet. SMI Sean Murphy Induction) does a nice re -build on them. For a Q jet he is competitively priced.
http://www.smicarburetor.com/
05-04-2004 06:29 AM
stepside454 Id stay with a Qjet, but if I decided to buy aftermarket, it would depend. if its a stock 400, than youll never see 5000 RPMs, a 600 cfm would be perfect, I prefer Holley personally. I wouldnt put a 750 on it unless I plan to run it to 6000RPMs.
05-04-2004 03:56 AM
87442lover Stick with a Q-jet, they can normally flow up to 750CFM,

600CFM would be strangling the poor 400, you should have a carburator rated at 750 or more for the 400.
05-04-2004 03:53 AM
jimfulco Me too.
05-04-2004 02:03 AM
DoubleVision I`d stick with a Q-jet.
05-04-2004 01:35 AM
Croz depends on how high you want to rev the engine. If you want to rev it to 5500 I would go with a 650.
05-04-2004 12:46 AM
Jag Daddy
Holley or Edelbrock? Is 600 CFM enough

I'm looking at replacing my old tired Qjet sometime in the future. Would you go with a Holley or Edlebrock for a 400 SBC?

Also is 600 CFM enough or should I go bigger?

Regards
Mark

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