Is the stock fuel pump on a lg4 enough once secondaries in carb are changed and other small mods. are added,exaust,etc.no internal mods?This fuel pump I got from trak was awful cheap,but the only thing I could find with a return line,and Id like to keep that.Whats the best one wih a return line?

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~mike~
1 superclean 86IROC-Z

A stock pump is probably going to be more than adequate until you start making some serious modifications. I'm still running one on my car.

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1984 Silver Z28, 383 cid 4 bolt, ARP Fasteners, 2 1/2" Cowl Induction Hood, 600 cfm Performer Carburetor, Torker II Intake, Performer RPM Heads, XE268H Cam, Magnum Roller Tip Rockers, MSD6AL Ignition, Blaster2 Coil, Recurved HEI Distributor, 700R4, TransGo SK, 2.73:1 Limited Slip Dana 44, Terminator Headers, Custom 3" TIG Welded Stainless Exhaust, Flo-Pro Twister Muffler, 4 Wheel Disc Brakes, Oil Cooler

Probably be fine until you get into the 14.0 second range at least. But my Malibu even with a high volume Carter pump fell on its face at about the 13.7 range. The pump wasn't out of capacity, really, its just the draw from the tank was too long, through too skinny a line.

I upgraded all the lines to bigger ones(cant remember size)but not much bigger.I dont think the car is near 14s but im not after that either.I just want a more reliable pump then the cheapies at trak auto.I have gone threw two(leak)in 2 1/2 years.thanks for help

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~mike~
1 superclean 86IROC-Z