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Old 02-25-2010, 09:49 PM   #1
Rexxyou
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Default 700 whp goal

Hey there first time ever posting here but thought someone might be interested in reading what i have done and what i will be doing soon, my goal is 700awhp on a dynapak what i have so far
ATP bolt on gt3582R w/ 44 mm waste gate .9 bar spring
Wiseco drop in pistons
eagle rods
kelford 272 cams
prosport unequal manifold/up pipe
bosch ID injectors 1000-1600cc variable injectors
utec delta
3 inch turbo back
walbro drop in
txs fmic and intake
and supporting mods (this included headwork etc.)

with this set up i made 510whp at 26psi ca 91 limited by the wastegate spring
what i think i will need to do to reach my goal

1.4 bar wastegate spring
dual walbro set up
75 wet shot of nitrous

does anyone have some input on what else i will need to do to do the fuel system in order to support about 35psi of boost? what are the limitations to the factory lines?
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Last edited by Rexxyou; 02-26-2010 at 02:17 PM.
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Old 02-25-2010, 09:57 PM   #2
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Bigger turbo.

But seriously, car sounds sweet. Videos? Track time?
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Old 02-25-2010, 10:01 PM   #3
Rexxyou
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edit.

Last edited by Rexxyou; 06-30-2011 at 03:25 PM.
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Old 02-25-2010, 10:09 PM   #4
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If you're trying to do this on c16 you could either add a bosch 044 or another walbro - use a factory feed line (pushing it, but it will do it)- then fuel rails and a good regulator.

If you want to use E85 you'll need a larger feed line and probably larger injectors as well.

Be careful with the nitrous- make sure you're not experiencing a significant drop in fuel pressure when it's activated.
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Old 02-25-2010, 10:21 PM   #5
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ATP35r won't make 700 at the wheels.
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Old 02-25-2010, 10:22 PM   #6
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Quote:
Originally Posted by KP View Post
ATP35r won't make 700 at the wheels.
no not by itself it wont...
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Old 02-25-2010, 10:24 PM   #7
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im confident with about 35psi i will be close to if not over 600whp, and a 75 shot on this set up in an easy 100-120whp extra
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Old 02-25-2010, 10:27 PM   #8
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is this a joke? youll need 2 atp 35r's to make that much and i doubt an unsleeved block would last you any time at all. Atleast on somewhat of a true reading dyno
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Old 02-25-2010, 10:30 PM   #9
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If you'd like, follow my build. I'm shooting for the same goal of 700whp but I can assure you I have alot more then what you listed there. First you'd need a bigger turbo, complete fuel system, probably a bigger fmic, ditch the intake, standalone of some sort, crazy head work, bigger cams, etc etc. The car sounds good man, but your goals are unrealistic with what you have right now. If you do end up going crazy with it, just be ready to spend lots and lots of money.
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Old 02-25-2010, 10:36 PM   #10
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Why not go rotated and get that new HTA3586? I'm no expert by any means but people seem to be making crazy power with that turbo. Plus it seems like going rotated would yield you more of a gain. Someone correct me if i'm wrong, don't wanna give you any bad or misleading info.
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Old 02-25-2010, 10:45 PM   #11
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whats funny about this, i made 510whp at 26 psi on a dynapack on California 91, not sure if you know this or not but ca 91 is garbage, to add c16 and 11 extra pounds of boost it will make over 600whp on the same dyno. at least. so to think that about 10 more psi and a 75 shot of nitrous wont make an extra 200whp is foolish, obviously the bolt on gt35 alone wont make to much over 600whp pushed to the limit but with nitrous im confident i can squeeze another 100whp out no sweat and of course im not going to run race fuel and nitrous everyday... once in a while so im pretty sure my engine will be fine for a few pulls at that kinda stress level
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Old 02-25-2010, 10:46 PM   #12
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Quote:
Originally Posted by Tay06wrx View Post
Why not go rotated and get that new HTA3586? I'm no expert by any means but people seem to be making crazy power with that turbo. Plus it seems like going rotated would yield you more of a gain. Someone correct me if i'm wrong, don't wanna give you any bad or misleading info.
im already happy with the turbo i have, i considered going rotated but i like the factory appearance this turbo has.
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Old 02-25-2010, 10:46 PM   #13
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PTE 6262
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Old 02-25-2010, 11:02 PM   #14
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Quote:
Originally Posted by Rexxyou View Post
whats funny about this, i made 510whp at 26 psi on a dynapack on California 91, not sure if you know this or not but ca 91 is garbage, to add c16 and 11 extra pounds of boost it will make over 600whp on the same dyno. at least. so to think that about 10 more psi and a 75 shot of nitrous wont make an extra 200whp is foolish, obviously the bolt on gt35 alone wont make to much over 600whp pushed to the limit but with nitrous im confident i can squeeze another 100whp out no sweat and of course im not going to run race fuel and nitrous everyday... once in a while so im pretty sure my engine will be fine for a few pulls at that kinda stress level
on a block with drop in pistons and rods you want to run 35psi and nitrous? You won't even make it off the dyno.
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Old 02-25-2010, 11:06 PM   #15
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nice goal. you need to upgrade your fuel system and be careful with the nitrous kit, it can give you tons of problems or can blow up your engine. you need to do some extensive research with nitrous
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Old 02-25-2010, 11:09 PM   #16
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I agree that you probably won't make 700whp.
You need to really build the engine and get a bigger turbo if you REALLY want 700awhp.
And by the way a 75 shot of nitrous adds 75hp at the crank.
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Old 02-25-2010, 11:12 PM   #17
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Quote:
Originally Posted by corzy666 View Post
I agree that you probably won't make 700whp.
You need to really build the engine and get a bigger turbo if you REALLY want 700awhp.
And by the way a 75 shot of nitrous adds 75hp at the crank.
the cooling properties of the nitrous alone make power with a 50 shot i made 63whp w/o any tunning
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Old 02-25-2010, 11:15 PM   #18
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Quote:
Originally Posted by Rexxyou View Post
the cooling properties of the nitrous alone make power with a 50 shot i made 63whp w/o any tunning
interesting. what brand of nitrous kit are you using? does it have progressive controller?
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Old 02-25-2010, 11:19 PM   #19
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Quote:
Originally Posted by corzy666 View Post
I agree that you probably won't make 700whp.
You need to really build the engine and get a bigger turbo if you REALLY want 700awhp.
And by the way a 75 shot of nitrous adds 75hp at the crank.

on a turbo car a 75 shot makes about 85 at the wheels give or take. NOS cools the charge air dramatically.
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Old 02-25-2010, 11:40 PM   #20
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Quote:
Originally Posted by Rexxyou View Post
whats funny about this, i made 510whp at 26 psi on a dynapack on California 91
Will you make 700 on that dyno before it blows up, maybe. But considering your results on 91, that dyno is EXTREMELY generous and I can't imagine anyone considering that a legit number. GL
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Old 02-26-2010, 12:06 AM   #21
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NO.1 your turbo without being rotated will be at or past its efficiecy range due to the turbine side on stock location not being as efficient as rotated.NO.2 big boost + spray = cracked sleeve-guarenteed.Also you did not list any headwork,so without it no way.Trust me I have built quite a few 600+whp suby's and your set-up even with spray might make 600whp maybe,remember once you get within a few pounds psi of the limits of your turbo every extra pound of boost might net you 5whp.I am not trying to be a jerk or anything but I am just stating facts from past experiences and set-ups I have done for customers.
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Old 02-26-2010, 12:10 AM   #22
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I have personally only seen 2 cars make 700WHP with a standard 35r. 1 was a inline 6 with a 50 shot and the other was a concrete block 4g63 with ALOT_ALOT of boost. Both barley cracked 700whp, both trapped over 145mph.
I doubt the atp will make 700 AWHP on the Ej25, even with 100shot all you are going to make is TQ, which is going to toss those little eagle rods out the block.
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Old 02-26-2010, 12:13 AM   #23
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^^^well said JR.Hey JR when the hell is nice weather gonna get here?
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Old 02-26-2010, 12:30 AM   #24
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Can the ATP 35r push 35 psi of boost? I thought I heard those stock location boys were hitting a brick wall @ 29-30psi...?.?.? Anyone confirm this?
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Old 02-26-2010, 12:33 AM   #25
Rexxyou
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Quote:
Originally Posted by berdugo View Post
interesting. what brand of nitrous kit are you using? does it have progressive controller?
using nx stage one efi kit with msd window switch, fuel pressure switch, and electronic wot switch
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