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GM Square Body - 1973 - 1987 GM Truck Forum

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Gents,
I just built a 350 with a little bit of a lumpy cam-dynoed at 351 horse, just a get around town motor and I'm not trying to set track times at Ennis.

It's time to think about exhaust and I'm going with shorty stainless headers and 3" inch exhaust. Given this set up, what muffler have you used that did not freakin DRONE? I've battled drone several times and I'...

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Hey guys I’m new here so I hope I’m doing this right I have a 75 c10 when I got it the wiring inside was a mess and it didn’t run so I bought a new battery for it and to start process of elimination I tried hooking up a push button start as follows positive wire from battery to starter then from battery to first toggle switch and then from that toggle switch to the hei cap then ...

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Which headers work best for a 454 big block in a 79 GMC Sierra Classic C1500? Was hoping to still use a straight spark plug boot..

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Going to replace both front lower and upper control arms. Want to use a coil spring compressor for spring removal and reinstall. Anyone familiar with the best option? I know you can borrow one from the auto store but I’d like to have one that works really well and is super safe. Also, I’m having trouble finding any good videos of removing and installing control arms that include...

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Trying to figure out the A/C bracket mounting on my 87 R10 with a 350 that someone else took apart. I know that I appear to be missing the bar that goes from the slide bracket on the compressor down to the intake from pics I have found online. However, I also don’t see how the slide bracket mounts to something on the front of the engine. I assume maybe I am missing something the...

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