Terbronco7 Posted December 6, 2019 Share Posted December 6, 2019 what size carb should I get (cfm) I have a Edelbrock 600 cfm new in box will this work or is it too small? Thanks Engine has a small crane cam but rest is mostly stock except for intake please help Quote Link to comment Share on other sites More sharing options...
imr Posted December 6, 2019 Share Posted December 6, 2019 what do you want from a carb. The 600 will work but if you plan to use it how you built then that carb wont work. i would guess a 780 or 800 would be minimum and you can probably go much higher. 2 Quote Link to comment Share on other sites More sharing options...
DragCat Posted December 7, 2019 Share Posted December 7, 2019 I'll agree with Antoine, I think I read originals were rated 750cfm which might be a minimum of 650cfm in todays world. Since you seem to be adding performance I wouldn't go with the 600. It does bite not being able to use a NIB just sitting around 1 Quote Link to comment Share on other sites More sharing options...
MC1of80 Posted December 7, 2019 Share Posted December 7, 2019 Definitely 750-800cfm. You will have great throttle response with the 600 but will run out of power earlier, most likely run lean and hotter. 1 Quote Link to comment Share on other sites More sharing options...
Terbronco7 Posted December 7, 2019 Author Share Posted December 7, 2019 Thanks everyone 750 or bigger seems to be the average on other forums as well Quote Link to comment Share on other sites More sharing options...
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