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Old 09-08-2004, 01:32 AM
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600cfm carb too big?

is a edelbrock 600cfm carb #1406 too big for a SBC(v8)267?

the engine is a 267 with edelbrock performer intake, performer cam/lifters, double roller timing chain, and 305 heads (same but bigger intake ports). the 4bbl q-jet needs rebuilt real bad but i dont want to attempt this. to get a rebuilt one it is pretty much the same Price as a new edelbrock #1406 and the rebuilt version is $100 cheaper #9906.

i do plan on building up a 350 or 383 for the car in the future a year or 2 away. would use the intake and carb if they would work good with it.

also, the reconditioned carbs would be just like a new one correct? anything bad about getting them?

Thank you

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Old 09-08-2004, 07:26 AM
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this topic has been discussed in previous threads many times.
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Old 09-08-2004, 08:06 AM
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Well I guess since nobody else is going to help you, I guess I will give it a shot. It is hard to find things using the Search option once in awhile.

*The 600 is overkill on a 267. I was using a 600 on a 307 sbc because it was all I could get my hands on at the time. I got horrible gas mileage (6-7 mpg)

"to get a rebuilt one it is pretty much the same Price as a new edelbrock #1406 and the rebuilt version is $100 cheaper #9906."

*I guess I don't quite understand what you mean here, rebuilt is pretty much the same price but 100$ cheaper? That is a big difference, at least in my book where limited funds are available.


Another question is what kind of choke/bore are you looking at for use with the 350/383??

Square or spread bore(q jet)

Manual or electric choke??

On a smaller cid block, obviously smaller cfm is needed. 500 should be fine for the 267. The 600 with an electric choke (#1406) would be great on the 350/383.


It is early and my mind is a little fuzzy right now, but I hope at least some of this info helped. More information can be found on the edelbrock website, they give great descriptions of all of their carbs, helping you to choose the right one based on what you want your vehicle to do.

What kind of car is it btw?
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Old 09-08-2004, 02:09 PM
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On a 267 I'd say go with a 390-450 Holley.I'm curious to know how a 267 w/ a cam,intake,carb and headers runs.
Lemme know
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Old 09-08-2004, 10:01 PM
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If we're talking limited funds here, I'd say get the Q-jet professionally rebuilt. I had mine done by a local shop who charges ~$125 + parts. It runs like new, and I didn't have to recalibrate it or jack with linkage, etc.
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Old 09-08-2004, 10:57 PM
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Quote:
Originally posted by 78 monte
On a 267 I'd say go with a 390-450 Holley.I'm curious to know how a 267 w/ a cam,intake,carb and headers runs.
Lemme know
once i get insuarnce on the car, oh and a windsheild so i can see where im going! lol i took it for a drive awhile ago and the engine was cold, floored it from slow moving and it didnt seem to go very good... but then again it was a cold enigne so i guess that doesnt tell much.

gota get windsheild done (glass masters has free mobile service!), the exhust since i just got open headers, then get insuarnce and registerys and all the crap.... should be driving in 2 months.

so ya once i get to play around with the car on the street i will let you know.

Quote:
Originally posted by bowtiebabe72
Well I guess since nobody else is going to help you, I guess I will give it a shot. It is hard to find things using the Search option once in awhile.

*The 600 is overkill on a 267. I was using a 600 on a 307 sbc because it was all I could get my hands on at the time. I got horrible gas mileage (6-7 mpg)

"to get a rebuilt one it is pretty much the same Price as a new edelbrock #1406 and the rebuilt version is $100 cheaper #9906."

*I guess I don't quite understand what you mean here, rebuilt is pretty much the same price but 100$ cheaper? That is a big difference, at least in my book where limited funds are available.


Another question is what kind of choke/bore are you looking at for use with the 350/383??

Square or spread bore(q jet)

Manual or electric choke??

On a smaller cid block, obviously smaller cfm is needed. 500 should be fine for the 267. The 600 with an electric choke (#1406) would be great on the 350/383.


It is early and my mind is a little fuzzy right now, but I hope at least some of this info helped. More information can be found on the edelbrock website, they give great descriptions of all of their carbs, helping you to choose the right one based on what you want your vehicle to do.

What kind of car is it btw?
thank you for your reply

a GM rebuilt q-jet from candian tire is about the same price as a new edelbrock 600cfm #1406 and the rebuilt edelbrock 600cfm #9906 $100 cheaper

the car is a 1982 Grand prix (RWD g-body)

Last edited by montea; 09-08-2004 at 10:57 PM.
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Old 09-09-2004, 03:22 PM
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bowtie babe, man I had that same carb on my 305 with a cam and everything and pushed 20 on the highway. Dang thing got better gas mileage than my jeep! if you got that kinda mileage out of your car, something was seriously wrong with the setup, or the carb. It didn't have to do with the carb's CFM rating being too much for the mill. It definately is a little large for a 267, unless you're really spinning the piss out of it.

It all depends on how you build the motor, edelbrock makes a 500 that would probably be fine for that motor.

K
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