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99 or 99.5?

1294 Views 8 Replies 8 Participants Last post by  DieselDeaf, 
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I have an earlier 99, production date 7/98. And I can't seem to figure out why my truck has the stuff it has. Th updated airbox vented out the front, correct? It has that one, not the fender well intake. The HP rating on the valve cover is 250hp, not 215, 225, 235 like some, and I thought that wasn't available until late 2000. And If someone can help, how do I know which turbo is on my truck? It will be replaced soon soo I think I might need to know.
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And If someone can help, how do I know which turbo is on my truck? It will be replaced soon soo I think I might need to know.

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Its real simple. Early 99's had 4 bolts around the compressor housing and 99 1/2 and newer had 5 bolts around the compressor housing. The IAH is a dead give away but if you are not familiar with what the IAH is the bolts are a simple solution.

FOMOGO
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