Street Demon or Edelbrock AVS2 or ?

Never had that problem. Guess again? Some people have problems while others never do. Been running TQ's for 40 years. 71 and 72 models. Loved people like you, used to get a lot of great carbs cheap or free. By the way, a lot of "race" stuff does not mean it is better for the street. The TQ was good for as much as .2 in the quarter mile on an automatic car and no gain on a 4 speed over a Holley, Ed Hamburger. Dream on.

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The only reason any TQ body ever warped was because of increased under hood temps caused by all the emissions equipment through the smog years, mainly the catalytic converter. Anyone who used one in a performance application will have their engine running much cooler than a smog era car and there'll never be a problem.