I was just wondering what people who have this carb, thought of it. I have a 670 CFM version, and I hate to say it, but Holley missed the QC mark big time. Maybe mine was assembled on Friday at 4:59, but I now have to ship it back to them. The shaft for the secondaries has a TON of play in it and it wrecks hell with the idle.

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1992 Pontiac Firebird 350/Six Speed
1987 Toyota Pickup 383/500+ HP

 

I've never really heard anyone say anything especially good about the avenger yet...but thats the first time I've heard that.


BTW...no offense but I just had to say I HATE Stuart. I had to go to court there once...they had some of the most crooked cops and judge I've ever seen in action.

/vent mode off

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"American made baby. 100% American iron. The muscle among the masses. My hero. Yep, you can take your ergonomically designed, space age, computer controlled, 4 door, cup holding map lighted split double wishbone split fold down retractable cargo covered moon roof piece of transportation and keep it. For I have felt the thunder. And I know the difference!"
JSP Motorsports
ICON Motorsports

 

Que no? I ordered the 670 SA as soon as it was avalible. It's a very good carb for a person that doesent want to screw around
I like it and its alot better than the 600cfm that was on my car before it also seems to have more power than the 650 Dp I used at the track.

SSC

 

If you buy a "regular" Holley and then switch out the metering plate for a metering block and istall a quick change spring kit you basically have the same thing and it will cost you less.

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383 86 Camaro Z28 ---1/4 mile e.t>12.89@108.8mph,,
10.5:1compression Dart Pro 1 Aluminum heads 215cc>2.05/1.60 valves,400 steel crank,cam specs:224/234 at 050 525/525 lift,3500 stall converter,shift kit,4.10 gears,770 Holley Avenger,Victor Jr. Intake,true dual exh,Hooker headers with 40 series Flowmasters,MSD Coil and Module.ALSO SECOND GEN Z28---mods:454 BBC,.546 max lift(doug herbert cam ) 750 Holley vac sec. ,Edelbrock Performer manifold,Holley electric fuel pump,Hooker headers,Flowmaster mufflers,beefed up 700r4 tranny, 3.90 gears, powertrax unit, B&M console shifter.

 

Only problem I had with my 670 was the choke horn was bent up a bit and it caused the choke plate to hang up. Little bit of sanding took care of that and it's worked great since. Here's my reason for buying a overpriced carb.. I didn't want to have to deal with buying all the other extra parts to make it into what I have out of the box.

 

I know what you mean about Stuart cops and judges! LOL No offense taken...

I just spoke with Holley and they want me to ship it back. Fat chance, car runs like hell without it! My friend works at an Autozone and they carry the same carb. They will swap it out for me....



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1992 Pontiac Firebird 350/Six Speed
1987 Toyota Pickup 383/500+ HP