Tri-powers are tough to get perfect. I screwed with mine forever to get it running right on my old 455. The ends leaked and I tried the aftermarket bases that Charlie from Vintage Speed. They are a work of art, but the close tolerances of the bases made then get tight when the engine heated up.
I had Mike Wasson seal my originals with the epoxy that GM used to use back in the olden days. That helped a lot. However, I could not get the idle circuit to respond well to the big cube engine and it suffered from pretty bad nozzle drip. In the end, I built a Q-Jet that worked well and then migrated to EFI which is the cat's pajamas.
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Skinned knuckles and empty wallet! Could I be any happier?
66 GTO Convertible. LS3-525 HP. Legend LGT700 5-speed, Wilwood 4-wheel disc brakes, Ridetech coil over front susp, PMT rear susp, Hotchkis bars, Billet Specialties 18" Dagger's (18X9 rear, 18X8 front).
2002 Ram Air WS.6 convertible Trans Am. Wife's car.
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