Supercharger and 180k miles

cmc76 · Jul 20, 2019

A guy has a whipple 2.3 locally. Claims rebuilt. Has paperwork to support that claim.
My ride is an 04. Tune. Vette servo. Air raid. Nothing else.
My question. What coukd really go wrong?
If the motor lets go, replace it.
Trans goes, it's likely on borrowed time.
If I go see it, I'll be looking for the completeness of the kit. Trying to feel bearing slop, if any there.

Thoughts?

iamdub · Jul 20, 2019

If it doesn't have any current issues and has been maintained and not beat on for those 180K miles, then I wouldn't sweat it. If something does pop, 5.3s and 4Ls are plentiful and therefore cheap. Definitely get fuel pressure and air:fuel gauges.

HiHoeSilver · Jul 20, 2019

cmc76 said:
A guy has a whipple 2.3 locally. Claims rebuilt. Has paperwork to support that claim.
My ride is an 04. Tune. Vette servo. Air raid. Nothing else.
My question. What coukd really go wrong?
If the motor lets go, replace it.
Trans goes, it's likely on borrowed time.
If I go see it, I'll be looking for the completeness of the kit. Trying to feel bearing slop, if any there.

Thoughts?

Doooo eeeet.

Chris2144 · Jul 23, 2019

Wasn't there an article on a 4.8 that came from the junk yard and got turboed made like 800 hp and was on all stock internals. Had well over 100k.

SteveB · Jul 23, 2019

If you know the 5.3 is healthy do it. I spray my Camaro with a 100 shot of nitrous pretty regular and it has 230 000km (142915 miles on it). Ls1 engine.

drakon543 · Jul 23, 2019

Chris2144 said:
Wasn't there an article on a 4.8 that came from the junk yard and got turboed made like 800 hp and was on all stock internals. Had well over 100k.

i dont remember how much boost they pushed into it but they actually mistook it for a 5.3 originally or something. i remember them being in the 20psi range tho.

cmc76 · Jul 24, 2019

The kit he has doesn't appear to have an intercooler? Should that be a factor

drakon543 · Jul 24, 2019

you can just add an intercooler later. sc doesn't have quite a heat soak issue as a turbo does. i think alot of sc kits have the intercooler as an option rather than included.

iamdub · Jul 24, 2019

Chris2144 said:
Wasn't there an article on a 4.8 that came from the junk yard and got turboed made like 800 hp and was on all stock internals. Had well over 100k.

I think it was Hot Rod Magazine. They boosted a junkyard "5.3" with unknown mileage to quadruple digits and it survived just fine. Upon tear-down to see how well the internals held up, they found it had flat-top pistons, indicating it was actually a 4.8. Great bedtime story.

Supercharger and 180k miles

cmc76

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iamdub

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HiHoeSilver

Away!

Chris2144

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SteveB

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drakon543

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cmc76

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