looking for a turbo kit
10-25-2010, 05:18 PM
#1
Thread Starter
Join Date: Mar 2010
Location: La
Posts: 32
looking for a turbo kit
So, I really like the Hellion single turbo kit but I'm not sure if the 61mm turbo that comes with the base kit is going to give me the numbers I'm looking for. does anyone have this kit that can offer advice? thanks
11-08-2010, 06:59 PM
#4
5th Gear Member
Join Date: Dec 2006
Location: Redding, CA
Posts: 4,552
I had a 60-1 and made 550 at 15 psi through a stock intake and thottle body. I think with a better throttle body you cold easily better that.
I would say to get to the 500 rwhp mark with a turbo you are going to want a built motor. You are looking at probably having 30-60 more rwtq than you are HP. Don't know why but that's usually how turbos work on these in near stock form.
I would say to get to the 500 rwhp mark with a turbo you are going to want a built motor. You are looking at probably having 30-60 more rwtq than you are HP. Don't know why but that's usually how turbos work on these in near stock form.
11-09-2010, 06:11 AM
#5
4th Gear Member
Join Date: Aug 2006
Location: LA
Posts: 1,201
A turbo in the 60s is a very sensible and practical size for a daily driven street car. The Powerhouse base turbo is 67mm. I had that on my car before upgrading to a larger one for dragracing purposes. Stay in the 60s for the best power/ throttle response combo. Although, many turbo vendors will happily sell you a 76 etc.
11-09-2010, 10:01 AM
#6
Thread Starter
Join Date: Mar 2010
Location: La
Posts: 32
did you have all stock internals when you ran 15 psi. correct me if i'm wrong but I've heard that you shouldn't run more than about 10 psi with stock internals. And just curious, what would you think I'd have for RWHP with the 61mm turbo at 10 psi?
Last edited by 09BlueDevil; 11-09-2010 at 10:12 AM.
11-09-2010, 08:54 PM
#7
2nd Gear Member
Join Date: Jul 2009
Location: Maryland
Posts: 380
PSI figures are irrelevant in this context, as 10 PSI on a 61mm and 10 PSI on a 76mm turbo are worlds (and hundreds of horsepower) apart.
The only appropriate way to determine when the engine will need to be forged is horsepower and torque figures. The stock internals have a good track record for being able to withstand 450ish rear wheel torque, with proper tuning. Anything over that is extremely risky, and should be used only if you are able and willing to upgrade the motor when it (inevitably) fails.
Anyways, on a stock motor 05-10 Mustang GT, a 61mm turbo at 10 PSI should net you around 490-500rwhp, 530-540rwtq, with a mild tune.
The only appropriate way to determine when the engine will need to be forged is horsepower and torque figures. The stock internals have a good track record for being able to withstand 450ish rear wheel torque, with proper tuning. Anything over that is extremely risky, and should be used only if you are able and willing to upgrade the motor when it (inevitably) fails.
Anyways, on a stock motor 05-10 Mustang GT, a 61mm turbo at 10 PSI should net you around 490-500rwhp, 530-540rwtq, with a mild tune.
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