First off, I have a 96 4.3L and it runs good execpt for when at full throttle, it pretty much dies off. When floored, the engine kind of sputters like it wants to rev up, but doesn't increase RPM's at all, but if I left off to about 3/4 throttle, it takes off fine. This problem happens whether...

i have some stock heads for a lm7 ironblock 5.3l.. i got them for 40 bucks..theyre in great shape.. i planned on sending them to get cnc ported/milled/ bigger valves installed. are these a good set of heads and are they worth messing with.. or should i go get some different heads im aiming...

Just curious on how long they last? My god damn Hooker Max Flow muffler came apart today on the freeway so instantly when I heard an exhaust leak outta nowhere I pulled over to find it dangling and I couldn't kick it off so I had to spin the tires in 1st gear a few times to get it to come off. I...

For 1st gen... Not sure if u guys have seen these. They're aluminum square tubing core supports . Weight savings and more room for things up front. I'm gonna grab one for my '92. You can find him on sy/ty registry on FB...

ive been absorbing this web site for a while now, great theory for engine builders and basics. the company designs and build systems for aircraft, but it all applies. might be a bit heavy for some. mechanical basics TOC (force, friction, fatique, cyclical fatique, fretting failure, beairings...