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Originally Posted by delaneyp Hi Ron,
I am using the same DC&O manifold as Chris, but with the stock DC&O EFI throttle bodies/plates which are 45mm (about 2-3 years old).
Peter D. |
I think you'll be okay. Look at that thread around Christmas 2005 I was posting on some time about that had the weber venturi size for engine size versus RPM. If you've a 331 and 45mm tbody size then your peak power supported is up to 7400RPM. Use a 40mm body and it is 5897 on a 331, and I want to say they had 40mm size and it fell over.
The problem with the webers is you get 48mm webers but then folks fit them with a 40mm choke, or whatever, and you definitely don't get a situation where the high RPM is supported as well as it can. Get too crazy with your motor and the webers won't support the RPM you want to pull. That is what I ran into with the 342, if I wanted 7500-7800 RPM the 48 IDA would not work since the largest choke size you could fit limited power to around 6900 RPM. Why spend the money for a revver if you can't feed it?
Looks like yours will be good though and I bet ultra reponsive!
R