A "new" turbo option for those of you want a GT47-88 but have physical size limits...
#1
A "new" turbo option for those of you want a GT47-88 but have physical size limits...
I talked to PTE since i get asked this question alot, people want to make more power than their 76 is making but don't want all the girth and header modifications of a large frame t6 turbo. PTE said they have in the past and can with no problem build hybrid GT47-88's that use GT42 T4 housings. Now, this turbine housing is larger than a GTS or comparable, but still not nearly as tight fitting as a GT47 housing. The GT42 compressor housing is much much smaller than the 47's housing. The only modifications most kits would need would be the downpipe, since the 42 housing is a little longer and has a 4" outlet, not 3".
I know people are going to jump in and say negative things about the inefficiency of cramming the 47 in small housings; so i'll admit it IS a compromise, but I think it is a great idea for people who don't want to hack up their cars/existing turbo kits.
PM me for pricing
I know people are going to jump in and say negative things about the inefficiency of cramming the 47 in small housings; so i'll admit it IS a compromise, but I think it is a great idea for people who don't want to hack up their cars/existing turbo kits.
PM me for pricing
#3
it wouldnt be a GT42 at all... its a full GT4788 with GT42 housings bored out... but i get what you're saying and I also agree with you. Sometimes people NEED compromises, cause at least they still perform better than what is standard.
#6
hahahaha, I knew you would be here right after me. Why not though??? We just need a back to back on the same car. The badest modified BW unit vs. the badest modded Garret in the same physical dimension like a 42 chassis vs. a s400 or a s91 in FI's case.
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#9
I talked to PTE since i get asked this question alot, people want to make more power than their 76 is making but don't want all the girth and header modifications of a large frame t6 turbo. PTE said they have in the past and can with no problem build hybrid GT47-88's that use GT42 T4 housings. Now, this turbine housing is larger than a GTS or comparable, but still not nearly as tight fitting as a GT47 housing. The GT42 compressor housing is much much smaller than the 47's housing. The only modifications most kits would need would be the downpipe, since the 42 housing is a little longer and has a 4" outlet, not 3".
I know people are going to jump in and say negative things about the inefficiency of cramming the 47 in small housings; so i'll admit it IS a compromise, but I think it is a great idea for people who don't want to hack up their cars/existing turbo kits.
PM me for pricing
I know people are going to jump in and say negative things about the inefficiency of cramming the 47 in small housings; so i'll admit it IS a compromise, but I think it is a great idea for people who don't want to hack up their cars/existing turbo kits.
PM me for pricing
Thanks in advance-
#14
#18
I just dont see this being that much more efficent then the GT42.... It doesnt look like $$$ well spent like Mightey Mouse said. The GT42-76 with a T6 flange isnt that much bigger then a standard GT42 with a T4 flange.
Here we go again with the S-Series Turbo's
Im only saying that because the S88 and S91 are an EXACT fit and swap from the GT42-76. I know i did it.....
So i guess what im saying is how would a modified GT42/47-88 compare to an S88.
I know a GT42-76 and S88 are not even on the same plate... like comparing apples to oranges..... did it....
I guess if your only downfall was not allowing a T6 flange because the size for it with these above turbo's is not as problem when it comes to space.
Id really like to see what these will do...... what are we talking price Ball Park?????
Kyle
Here we go again with the S-Series Turbo's
Im only saying that because the S88 and S91 are an EXACT fit and swap from the GT42-76. I know i did it.....
So i guess what im saying is how would a modified GT42/47-88 compare to an S88.
I know a GT42-76 and S88 are not even on the same plate... like comparing apples to oranges..... did it....
I guess if your only downfall was not allowing a T6 flange because the size for it with these above turbo's is not as problem when it comes to space.
Id really like to see what these will do...... what are we talking price Ball Park?????
Kyle
#19
Did some research and found this posted before... man i love it when the search works LOL
Kyle
We built some 4718CHRA/GT42 chassis units last year using the GT42 T6 housing 1.44A/R. Max rwhp on a 370ci was 902rwhp. That was max the unit would push on a blocked gate. It was consistent at about 100rwhp down from a full frame GT47-88 with a 1.08A/R. Swapping to a T4 would bring that down another 50-75hp.