New intake mani and Carb.

[Longhorn Man]

The performer RPM MIGHT give up a few pounds of torque off idle, but in reality, I think you'd be hard pressed to feel it.

[piecesparts]

Originally Posted by fdbdw

I would be willing to bet that most of the problems people have with any brand carb is not nowing how to properly tune them and dirty fuel. 40 year old tanks, fuel pick ups and fuel lines, microsopic dirt can easily make it through filters and rack your brain with issues so while your at it , get those things cleaned up. If you go Edelbrock , realize that fuel pressure is a biggie, you will either need a low presure pump or a fuel pressure regualator. If you have over 6 psi, it will never run right and you will leak fuel all over your new manifold. And if your considering the 600 performer or the 650 AVS, I would go with the 600. IMO the AVS is not worth the extra money.

I moved on to the AVS carb for the extra flow capability, to me it was a worthwhile change.

[gonzo6869]

I have to say go with Edelbrock, I have the standard 1406 with a intake mani. and got no problems other then dirt finding its way into the carb. from my old tank and thats after going through TWO fuel filters. I don't have to worry about that any more, I installed a new tank three weeks ago and should be problem free for a while. Also, Edelbrocks are easy to work on, all you'll need is T-15 and a T-25 and you can tear it apart.