I have a 95 GMC 1500 with a 350tbi, 3 inch single cat back, Thorley try y cat forward, 4L60E,S10 converter,3.42 axle ratio,ultimate tbi mods,CFM tech TB spacer, KN filter, everything else is stock. Would upgrading to 65lbs injectors be a worthwhile mod without any other changes?

Thanks Guys
Lonnie

 

Probably not. The OEM cal in the PROM is already super rich. Installing larger fuel injectors if you don't need them is going to make it even worse.

 

My '93 loved the switch to 65pph injectors. Definite SOP improvement in all RPM ranges. I bought the 65pph's brand new on eBay for $80 for the pair, then sold my used 55pph's on eBay for $49 - now that's a good deal.
SC

 

super chevy: Thanks for the info. I went ahead and bought some and they came in today. I will give them a shot. Hopefully i will be as happy with mine as you are with yours.