GT35 or 40
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GT35 or 40
Okay so I'm finally going to breakdown and go single on my 92 FD. This car will be used as a weekend driver/circuit car. My goal at the end (whenever that is) will be to have 450-500hp when the car is complete. My question now tho is should I go with a GT35R or a 40? Can anyone provide some insight on what one I should go with or the pros and cons or either? Also and suggestions on where to buy a bolt on full kit. My mods so far are turbo back exhaust, HKS RS intakes and PFR SMIC. I have a power FC and electronic boost controller that will be installed once the turbo is in. Thanks in advance for any help
#2
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How much are you willing to spend on the conversion, and how long do you expect a 13B to last for when you're running 450-500whp?
If you want a RELIABLE 450-500whp than I would suggest you get comfortable with the idea of easily spending $10k-$15k to do it right. Your ECU is arcane and should realistically be replaced, your intakes won't matter, your SMIC may not handle that level, you're going to want more than just a boost controller.
Have your brakes/suspension/drivetrain been upgraded? (you'll want them to be) Have you factored in a clutch which will be able to hold your goals? Is your cooling (water/oil) up to par to handle the extra strain and heat? What fuel will you be running (E-85, Race fuel, Pump 98RON)? Will you run Water/Meth injection? Have you thought about upgrading your fuel system to accommodate 450-500whp?
In addition to rolling those thoughts around in your head.. I would suggest NOT expecting to get even 450whp out of a standard GT35R. It's on the small end of mid-sized and you will really be pushing it. Have you considered going with the newer technology available (GTX, EFR, etc.)? They may be more expensive, but you will be more likely to get the power you're looking for, with the response of a smaller turbo.
If you want a RELIABLE 450-500whp than I would suggest you get comfortable with the idea of easily spending $10k-$15k to do it right. Your ECU is arcane and should realistically be replaced, your intakes won't matter, your SMIC may not handle that level, you're going to want more than just a boost controller.
Have your brakes/suspension/drivetrain been upgraded? (you'll want them to be) Have you factored in a clutch which will be able to hold your goals? Is your cooling (water/oil) up to par to handle the extra strain and heat? What fuel will you be running (E-85, Race fuel, Pump 98RON)? Will you run Water/Meth injection? Have you thought about upgrading your fuel system to accommodate 450-500whp?
In addition to rolling those thoughts around in your head.. I would suggest NOT expecting to get even 450whp out of a standard GT35R. It's on the small end of mid-sized and you will really be pushing it. Have you considered going with the newer technology available (GTX, EFR, etc.)? They may be more expensive, but you will be more likely to get the power you're looking for, with the response of a smaller turbo.
Last edited by fendamonky; 03-28-16 at 08:50 AM.
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Yeah your right didn't really think into all that I was to worried about the turbo, as of right now I'm looking for a good replacement for the stocks because mine are going out and need to be replaced and I wanted to simplify things. Like I said the end goal was the 4-500 down the road (years) but as of now just looking for the best option for a single that has the capability of handling that later.
#5
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It's a bad idea to do a turbo swap with a larger turbo to turn up the boost down the road. You will hate it, low boost on a big turbo till your car is ready will be so boring. Just swap the twins for another set and build up the car slowly as you can afford it.
#7
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What exactly is drawing you to 450-500RWHP and have you ridden or driven a 400+RWHP fd? The reason I ask is because a 400RWHP FD is no slouch and quite easy (reliable) to attain. Given the weight of our cars, it is not for the faint of heart given that we don't have any traction control whatsoever.
Well as far as the GT35R goes 450RWHP is duable. However it is very close to reaching its limit (depending on your porting or lack of). But fendamonky is correct if you are going single use the newer technology turbos. Much quicker spool and a very decent top end.
Well as far as the GT35R goes 450RWHP is duable. However it is very close to reaching its limit (depending on your porting or lack of). But fendamonky is correct if you are going single use the newer technology turbos. Much quicker spool and a very decent top end.
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#8
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I ran ~360whp @ 11psi with my PT6265 and I found that to be a very good power for normal street use with decent response. When I had run 489whp @ high boost it was unnecessarily quick I can see that ending VERY poorly if you put the throttle down HARD on a twisty back road with that much power..
Originally Posted by silverTRD
Just swap the twins for another set and build up the car slowly as you can afford it.
#9
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I love my borg warner. I would never go back to the twins after going to a properly sized single. Sounds really sweet when its spooling up to =D
The S362 or S366 might be a couple well priced options for you.
The S362 or S366 might be a couple well priced options for you.
#10
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The most I've made with a Gt35R was 476 and that was with an aggressive tune. Some have made more but that is pushing it. The GT40 would more easily hit your power goals with less boost. If you plan to run 20 psi or more consistently, get the gtx wheel. It is more efficient and makes more power at higher boost. A EFR 8374 would also do it. If you want something more budget oriented, a S363 would hit those power goals as well at a slightly slower spool.
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