are they better than a holley 600? i want a carb for street use and occasional strip use that can handle 300-350 horses. what would a good carb be for this application that is NOT OVER CARBED. no holley 750's. just something that will get good mileage and good performance as well, performance more than mileage but mileage still matters. thanks

 

Get the new Holley Street Avenger. I have heard nothing but good about these. I have had a Demon, and wouldn't go back to another for half the price.
But that's my opinion.

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350 4 bolt main, Speed-O-Motive 383 stroker kit, re-sized rods ground for clearance,TRW Forged pistons,10.7:1 compression,HPC Coated RPM intake, Holley 750 cfm carb,World Products Sportsman II heads,2.02/1.60 valves, Comp Cam 1.6 roller rockers, Comp Xtreme 284 cam,240/246@.050 with .540 lift,Crane pushrods,ATI damper,Proform HEI and MSD6A box,HPC coated 1 5/8 headers, 2.5" exhaust with 40 series mufflers,TH350 with Hughes 3000 stall, Powertrax NoSlip Locker, 4.11 gears.

 

Some people have very strong opinions when it comes to particular brand carburetors - but most recognize when properly tuned any brand can make power. I have a Road Demon and I like the carb, although it's a bit rich stock - I've jetted mine down. From my parts salesman days I'd say if you want "bolt it on and go" get a 1406 Edelbrock (calibrated for mpg, elec. choke) or a 1405 (calibrated for power, manual choke). I personally don't think the added feature of Holleys Avenger carbs are worth the extra $. If I was going to get a Holley I'd just get a standard one and add the upgrades. Any way you go get a book on your carb of choice.

Chris Lindh
'78 Malibu 350/TH700R4 (Road Demon)
'68 Chevelle SS396 (Holley 750cfm 4010)