Wondering what the biggest tire I can run would be. Currently have stock suspension with 16inch rims. I think I currently have 30inch tires on.
Also wondering what tire sizes I can run with a 2 inch;4inch; or 6inch lift
just tore apart my 454 with the same issue. Mine was running okay but had a bad misfire after half throttle. Loud popping sound from the tbi. Turns out had 2 exhaust lobes on my camshaft that were ground smooth. Plus my flat tappet lifters were dished like a dinner plate. So needless to say...
Thank you
not saying anything is rare on it. It’s all common gmc stuff. But to find it that way from the factory? I’m wondering if anyone has even seen one just like mine.
Hows it going. I’m looking for opinions from people that know this era of truck very well. I have a 1989 GMC Sierra sle k3500 190xxxmiles. Power windows and locks. Tbi 454 Fourth gen I think. It’s not an SS. That package was only offered on c/k1500s I think. It’s got 1 ton rear (ifs). Muncie...