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difference between diesel and petrol turbo?

General Tech Talk

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Posts: 117
Joined: Sat Jun 04, 2005 5:00 pm
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difference between diesel and petrol turbo?

Post by skip-unstuck »

is there any concerning deifference between a Petrol and Diesel turbo, was given a turbo from a 300zx but have been told will not operate correctly on my TD42, is this an issue?
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Post by Zute »

Size of impellers may be the issue. The exhaust turbine may be to large for your diesel. ie the Zed may flow more exhaust gasses than the diesel. Which would mean it would'nt spin fast enough.
Don't know for shore, only guessing.
'2001 Disco td5
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Post by skip-unstuck »

that was i was thinking as well but i really want it on, so i thought id better check first, cheers
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Post by bru21 »

isn't a z a 3lt twin turbo, so one turbo would fit a roughly 3lt diesel flow wise but the fan curves will not be right. personally i think you may gain a little down low but restrict above like 2500rpm.
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Post by skip-unstuck »

fair point, didnt think of that one, cheers
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Post by MACK1 »

MATE YOUR TURBO WILL ACTUALLY SPOOL UP TO QUICKLY AND OVER SPOOL!! DUE TO THE HIGHER DEISEL COMPRESSION. IVE BEEN DOWN THIS PATH AND PUT A LOT OF TIME IN WITH TURB SHOPS, SORRY DUDE BUT NO GO.
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Post by skip-unstuck »

damn it, thanks anyway, i will have to keep looking then, an extra 3000 rpm it is for the time being then
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