This is topic injector requirements in forum Tech Talk at Northern California Ford Owners  .


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Posted by cheap (Member # 858) on :
 
With a 351, GT-40s w/ some mild port work, edelbrock performer 5.0 intake, 70mm TB and spacer... what size injectors should be run? I've got the stocker 19#s in there now, with a 255 lph pump and an aeromotive AFPR.
 
Posted by mtbaughs (Member # 4052) on :
 
I like to see 30#ers with this set up.
 
Posted by st5150 (Member # 51) on :
 
24's or 30's. Those 302 heads and intake are killing the 351 combo.
 
Posted by 66 AC COBRA (Member # 904) on :
 
quote:
Originally posted by cheap:
With a 351, GT-40s w/ some mild port work, edelbrock performer 5.0 intake, 70mm TB and spacer... what size injectors should be run? I've got the stocker 19#s in there now, with a 255 lph pump and an aeromotive AFPR.
the guy i got the intake from that u are now using was using some edelbrock 6037's unported running 24# injectors, the 24's were plenty big, he didnt even have an AFPR and it was fine, untuned and the car ran flawlessly, no hiccups sputter nothing, just raw torque

i think the 19's might be a little small, i would sudject just go to the dyno and get some runs in with the wideband a/f meter, to see where u really stand, see if u can adjust it enough to get the current injectors to work

$90 at a dyno is much cheaper than new injectors and a new MAF, and u will know where u stand on the rollers
 




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