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18G-5H Turbo or EVO III Big 16g????

jazzyjay

Proven Member
216
0
Mar 27, 2003
South_CarolinaUS
I am trying to chose which turbo because they are in the same price range. The turbo will be goin on my new project a Galant Vr4. It will have a rebuilt long block, no forged internals just new parts. It will not be a race car maybe form light to light. I need to know the pros/cons of the 18G-5H Turbo and EVO III Big 16g turbos when compared to each other. Thanks in advance.
 

jazzyjay

Proven Member
216
0
Mar 27, 2003
South_CarolinaUS
found my answer
 

Grimis

Proven Member
1,096
11
Sep 5, 2003
Jersey Shore, Pennsylvania
what did you go with?? i was going to go with a pte 50trim but steping down to keep it streetable and more "travel" worthy etc.
 

thekellbeast

Proven Member
1,518
6
Jun 28, 2003
Portland, Maine
I'm running an tdo5h-18g, with a custom compressor housing. Works great for me, even though I have it at the stock boost level.



For now!
 

dsm-onster

DSM Wiseman
8,593
117
Jul 11, 2004
Bloxom, Virginia
Amen! the 50 trim w/ the most popular turbine wheel is VERY quick spooling. And any lag you notice over the MHI turbos in the area of flow to that compressor is overshadowed by the higher hp per psi becasue of the higher flowing turbine.

But If I had a choice, I'd chose the 18g hands down. The evo3 16g compressor flows at about the limit of the tdo5h turbine wheel and 7 cm^2 housing (with which it is coupled). If you have an 18g compressor wheel, then you can just clip that turbine and gain quite a bit. There's a reason why FP claims that it flows more than an Evo3 16g.
 
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