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Discussion Starter #1
Hi
I have a little 350 small block chevy. The only modification I made is a

Camshaft with lift:477/480 and [email protected]: 224/231.
Valve spring that fit with my cam
make 3 angle valve seat and 2 angle on valve
I got a pair or 882 heads
aluminium intake
for the rest it is almost stock
I have no high stall torque converter
3 speed automatic th-350
run on manifold for the moment but I plan to have it

Now, somebody told me that it will be better if I put a vacuum secondary, but I've got in mind to put a holley 4150 650cfm mechanical secondary double pumper

Is it good or bad ??
Any Carb suggestion ??
Thanks at advance guys!!
 

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The 670cfm street avenger is an awesome little carb. I have a mild 350 about 370hp and tried the 770 avenger, holley 600cfm, 670 avenger and the edelbrock 650 thunder...the 770 had the most power, but the 670 was best all around and better fuel economy..I would look into trying to borrow one if you can and try it.
 
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