I found a 99 PSD in my local junkyard with a mostly complete motor. How can I tell if the intake spider is the one I need for my IC project? I'm sure there's a PN somewhere, but I'd like to know what the physical features are that differentiate the early 99 spiders from the later model parts. Thanks.

 

look at where it goes into the intake plenums is it the same size as your current trucks or is it bigger?

 

i've seen mostly the same looking ones with the exception that the earlier ones used reduced hoses 3 down to 2.

 

i will get you the id number off mine in the morning

 

I've read that the SD intake plenums are larger than ours except for the early 99's. Is the difference in the spider, or just the boots? The spider part number I found is F81Z-6K889BA.

 

The difference in size is both in the intake, boots and plenums at the head. From htat part number it looks like its a late 99
http://catalog.powerstrokeshop.com/p...ts&searchAll=1

Also here is a pics of Coonhunterjoe's early 99. Notice there is no intake air heater to the left of the machined flat square in the middle of the Y-pipe. All lates will have the AIH and earlies will not.

 

I got the part number for the early 99 part here, maybe it's incorrect.

http://members.localnet.com/~boys3/

The presence of the IAH is a good tip, the kind of info I was looking for that helps ID a part in the junkyard where part numbers may not be visible.

 

its also possible that the listing on powerstrokeshop is wrong. its just lists that number as 99-03

 

i apologize, i forgot all about this, i will run outside in a few minutes and check for the id number, you need a y-pipe from a pre-may99, it has a smaller inlet since the earliest 99's used our compresser housing and had the 2.5 outlets, the newer 99-03's had a 3 inch outlet and a double sized inlet. i will run out in about 10 minutes and get you a number

 

I have one from a 00 what will I have to do to make it work if the inlet to turbo is different. I have plenums also so not conserned about that end.

 

Here's a good side by side comparison of the differences. The purty one is the late 99. Photos thanks to ronspowerstroke in the NBS forum.

 

ok here are the best pics i can get in the dark right now but the first is looking straight down on top of the pipe, it reads AB-1698, and the second is on the back passenger side and it reads 1827060c1

 

Photo's down Jim......

Cowboy Steve

 

to use the 00 intake you need to change your intake manifolds from the 2 inch to the 3 inch ones. the turbo inlet is also about twice the size as ours. i dont know if you could swap the compressor housing or not. i have never tried. that would be my first attempt.

 

I think in order to use the late will need the entire turbo and pedestal out of a SD. the turbo sits higher in a SD. also I think the cold side housing has a larger base so at the very least the base plate will need to be changed. But since the turbo sits higher that will mess up the alignment. pretty much to use a late I think you need the whole works, up-pipe exhuast collector, turbo, pedestal, y-pipe. then that swap does require a bit of clearancing of the firewall but not bad.