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[Deejayry]

Has anyone on here tried running injectors on throttle bodies such as jenvey's?  What size/type injectors have you used? I've heard that they need to flow a lot of fuel, in the region of 650cc/min?

 

The engine is 1380cc, MED race head with big valves (can't remember exact sizes but couldn't go bigger with hardened valve seats) compression is around 12.5:1 Kent 286SP Cam... Loads of bottom end work too but that's not too relevant.

[mini13]

theres a flow rate calculator here,

 

http://www.megamanua...manual/minj.htm

 

based on 140 hp 440cc should be enough, but thats assuming that your not doing anything funky with the ecu and adjusting injector timings and trying to cram all the injection into a smaller window, in which case you might need bigger still