Prostock

[oneta2try]

For fuel injected entries is a 4500 flange TB allowable with a 100lb penalty as carb applications??? I e-mailed about it but never got a reply.. thanks

[Bob Curran]

FUEL INJECTION: Fuel injection must be electronic. Single throttle body required, maximum throttle body size 95mm. EFI 4 hole 4150 type throttle bodies are permitted, maximum throttle body size 1.750”.

Doesn't look like it will be allowed.

[oneta2try]

hmm very odd considering its a engine management sponsored class...guess carbs get the win since they can run a bigger throttle bores than 1.75.. The head list and plenum used is the limiting factor on these engines,why heel a efi motor more when they are surely not on top right now,let alone many in the class period...