454cid
Sooper Pooper
Found it by digging through my Ebay feedback..... I couldn't find the label I cut out of the box for this particular item.
15024813
15024813
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This is what RockAuto shows.I didn't know the 350 got one..... it's probably the same fan. The 454 does use a different clutch, Though. The 454 clutch uses 4 bolts like my Buick engines.
S10 fan vs my factory fan;
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This is what RockAuto shows.
Ah. So it is.That appears to be a newer part number. If you look in your picture my part number is in parenthesis.
S10 fan vs my factory fan;
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A bit quieter; you can hear it in the cab when it's spinning up but outside it's not screaming like the old metal fan.I'm guessing it's way quieter too.
This x1000Totally stock?
CUT THE MUFFLER OFF, use two aftermarket mufflers, one for each pipe.
The OEM muffler is wildly restrictive. The inlet is 2 3/4" diameter; but the inlet pipe is necked-down inside the muffler case.
Friend of mine with a '97 K2500 7.4L claims that replacing the muffler made more difference than replacing the iron manifolds with Gale Banks headers.