LS1 fuel tank in an LT1 car
I maybe wrong about this but the LS1 cars use a different fuel pump-fuel sender assy than the Lt1 cars and I think the way that attaches to the tank is different, so you may not be able to attach your sender-fuel pump to that newer tank.
I have never ever seen a low fuel light on in my car.. whats up with that? Then again ive never had to push, but I thought i've always brought it pretty low in the tank... but still never have i seen a low fuel light.. how could i troubleshoot this?
Thats what i've been thinking, but I recall looking really closely at my dash and seeing the outline of a low fuel light or maybe the picture of a gas machine.. I'll take a closer look tomorrow. Do any other cars use the same dash as the 95 z28's?
I'll give the swap a try in a few weeks. A friend of mine just got a wrecked 98 Z28 and is just using the drivetrain. If the gas tank is in good shape I'll try the swap on my TA.
I'm so damn sick of the crapola gas gauge set up we have on the LT1's. In my car the 3/4 mark really equals 1/2 tank and the 1/4 mark is a hair under 2 gallons for me. I've run dry TWICE with the gauge showing 1/8 tank.
EVERY dealer to look at it said.... it's working fine.
Now it's really screwey lately. When traveling down the road I can watch the gauge bounce back between 3/4 & 1/4... and that's on a smooth road.
LT1 fuel gauge setup just plain stinks.
I'll keep you guys posted if it works out.
Steve...
I'm so damn sick of the crapola gas gauge set up we have on the LT1's. In my car the 3/4 mark really equals 1/2 tank and the 1/4 mark is a hair under 2 gallons for me. I've run dry TWICE with the gauge showing 1/8 tank.
EVERY dealer to look at it said.... it's working fine.
Now it's really screwey lately. When traveling down the road I can watch the gauge bounce back between 3/4 & 1/4... and that's on a smooth road.

LT1 fuel gauge setup just plain stinks.
I'll keep you guys posted if it works out.
Steve...
Here is one of my unthunk out ideas. Would sumping a plastic tank be easier than a metal? Could you just screw some an fittings into the plastic tank? That would be a simple answere to using the stock ls1 pump incase it doesn't work.
you cannot just screw a fitting into a plastic gas tank. i used to work at the place that made the tanks for the 98 up f-bodies. the plastic is 1/4 at the thinest part and its layered, you'd just wreck the tank because of the seal between the plastic.
but if they do fit they would be a good weight reduction as they are pretty light
but if they do fit they would be a good weight reduction as they are pretty light


