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Vbjunker · 09-13-2012, 08:26 PM

I have a commuter truck with a 4.3 liter and a 700R. Not sure what rear end. It is a 1987 GMC step side, bare bones work truck. I bought it for the classic look and the simplicity. My daily ride is 40 miles round trip. I get 16 to 20 mpg depending on traffic flow. 2 1/2" exhaust, full flow cat and thrush welded muffler.

When I bought the old gal a month or so ago, I figured I'd simply live with the 4.3 while building the perfect 5.7. That may happen one day. For now I am enjoying what I have. It merges and accelerates adequately, has a nice rumble, and cruises nicely at 60-70 mph. I'd have to say I am pleasantly surprised with the 4.3.

Do I still want to race? Yeah, but I have another car for that.
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09-13-2012, 08:26 PM	#11
Vbjunker Registered User Join Date: Aug 2012 Location: Virginia Beach, VA Posts: 131	Re: 4.3l vs. 5.7l in a commuter truck I have a commuter truck with a 4.3 liter and a 700R. Not sure what rear end. It is a 1987 GMC step side, bare bones work truck. I bought it for the classic look and the simplicity. My daily ride is 40 miles round trip. I get 16 to 20 mpg depending on traffic flow. 2 1/2" exhaust, full flow cat and thrush welded muffler. When I bought the old gal a month or so ago, I figured I'd simply live with the 4.3 while building the perfect 5.7. That may happen one day. For now I am enjoying what I have. It merges and accelerates adequately, has a nice rumble, and cruises nicely at 60-70 mph. I'd have to say I am pleasantly surprised with the 4.3. Do I still want to race? Yeah, but I have another car for that. Posted via Mobile Device