i just bought one from tpis and it just doesnt seem to fit right. First the little cone that it screws into doesnt even go all the way into the top of tb and second it just doesnt seem to fit as snug as it should. Has anybody else had tis problem before with tpis? Any hlp is appreciated thx. Barrett

I imagine the TPIS air foil is ment to be used with either the stock or an aftermarket TPIS throttle body. If you buy one the TPIS throttle bodies, they come with an airfoil installed. The 52mm TB runs for like $280 and the 58mm for like $350, I think.

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1987 Chevy Camaro IROC-Z
L98 TPI 350 (5.7L)
TH 700R-4 Transmission
Borg Warner 7.75" 9 Bolt Rear End

Current Mods: LT4 Hot Cam, Comp Cams 1.52:1 Roller Rocker Arms, Edelbrock TES 1 5/8" Headers, Hooker 3" Aerochamber Cat-Back System, Performance Resource Chip, Accel Ignition Coil, Cap, Rotor, 8.8mm Wires, K&N Filters, JET TPI Air Foil, All Free Mods, Falken ZIEX Z-Rated Tires.

Best ET (w/o LT4 cam): 14.32 @ 97.7mph
(corrected for elevation)

7.5" 10 Bolt with 3.42s soon to come!