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post #1 of 29 Old 01-14-2003, 12:34 AM Thread Starter
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Arrow TT or big single?

Well heres my question. I need everyones oppinion on this. Should I get a new TT kit or maybe find a used one (incon), or get a new single turbo kit?
This will be for a 331 with AFR 185 heads and an appropriate cam to match. I want to run from 10 PSI to 17 PSI. (8.5:1 compression of course)

I hear that TT will spool faster, is this true? How about a larger single turbo?

thanks

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post #2 of 29 Old 01-14-2003, 01:10 AM
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Re: TT or big single?

Quote:
Originally posted by JaxMustang50
Well heres my question. I need everyones oppinion on this. Should I get a new TT kit or maybe find a used one (incon), or get a new single turbo kit?
This will be for a 331 with AFR 185 heads and an appropriate cam to match. I want to run from 10 PSI to 17 PSI. (8.5:1 compression of course)

I hear that TT will spool faster, is this true? How about a larger single turbo?

thanks

If i was you i'd either go with a T76 single or 2 small twins. You can make just as much HP with a TT as you can with a single. TTs are a lil more in depth but can be just as fun as a single! Another thing you need to think about is what do you plan to do with this car ? if its justa street/strip killer then i'd go TTs all the way!!! But if you are looking to do some NMRA/FFW racing TTs are out lawd in 99% of the classes.. you could run in OPen Comp or Bracket classes but heads up is more fun

As for turbo kit companies i would either go with ITS or Turbolocity! They both make Very top of the line kits with great customer feed back!


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post #3 of 29 Old 01-14-2003, 07:46 AM
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I agree with what evil said on the kits. I prefer the single. I have a 60-1 hi-fi and just ran 6.85 in the 1/8 with only 11 psi of boost and it spooled before 3000 rpm. I am in the process of stepping up to a T-76 now and it should spool by 3600-3800. Also, another name people seem to leave out that makes the best kit I have seen out of them all is TurboTechnology. They have been around for a very long time and are just super helpful and it is an awesome kit. Comes from them with both custom stainless headers. Awesome! The ball bearing option helps the larger turbos to spool much faster.

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post #4 of 29 Old 01-14-2003, 10:16 AM
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Quote:
Originally posted by ]Five-o[
Imakes the best kit I have seen out of them all is TurboTechnology. They have been around for a very long time and are just super helpful and it is an awesome kit. Comes from them with both custom stainless headers. Awesome!
Yeah, they would be a excellent choice for a single setup, their twin setup however is much more race car orientated so would not be a great choice IMHO for a more street duty car. Nice thing about twins can be cost of turbos, a pair of rebuilt T3/T4 hybrids run you around $1k without cores, a T76 usually runs over that. Also the bigger single you get the more stress you have on the thrust bearing so in essence they will not last as long, if both are kept within their efficiency ranges, but that might be a mute point for as little action as most peoples turbos see. With properly sized turbos and the newer technologies for them in recent years, the spool up benifit of a twin over a single is pretty mute. You can setup a single to spool up usually quick enough, plus in a faster car, some lag can be your friend on the street.

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post #5 of 29 Old 01-14-2003, 03:16 PM Thread Starter
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So it is true, twins will usually spool faster thatn a single. You 2 seem to like the single better though. I want to hear from someone who likes the twins better also. I just want to see what each person has to say about their fav setup. Keep in mind that this is going in a 5sp car, so spool time will be important. Thanks for the advice.
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post #6 of 29 Old 01-14-2003, 03:19 PM Thread Starter
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Also, does TurboTechnology have a web site?
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post #7 of 29 Old 01-14-2003, 03:51 PM
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Quote:
Originally posted by JaxMustang50
So it is true, twins will usually spool faster thatn a single. You 2 seem to like the single better though. I want to hear from someone who likes the twins better also. I just want to see what each person has to say about their fav setup. Keep in mind that this is going in a 5sp car, so spool time will be important. Thanks for the advice.


Yes the TTs tend to spool faster then one large single does. Im a TT guy myself (IE my screen name) anyways Twins will be very street friendly for what you want to do. and a small twin setup will make more power then that T-5 was made for so you would want to be a lil careful on shifts and that kind of thing. I dont know if you know Ben (Ntrcptr90) he ran 10.90s with his (untuned) home made JYTT setup on a bone stock motor. hes another great guy to talk to as well bout TTs and i do believe he is still selling his twin kit. if your looking to get into something cheap and fast his would be a good way to go if you wanted a JY system. Something else that will help your spool times is your gears, you will want to go with 3.08s,3.27s or 3.55s that way your in your gears longer and not shifting all the time and losing your boost.

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post #8 of 29 Old 01-14-2003, 04:29 PM
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Quote:
Originally posted by JaxMustang50
So it is true, twins will usually spool faster thatn a single. You 2 seem to like the single better though. I want to hear from someone who likes the twins better also. I just want to see what each person has to say about their fav setup. Keep in mind that this is going in a 5sp car, so spool time will be important. Thanks for the advice.
Actually I am more of a twin person than a single, hense why I am having a twin setup made for my car over the single I had. The point I was getting at is with lower power numbers(I guess like 800-900 and below) you can usually get a single or twins to spool up pretty close to the point where it is just mute if one is a little quicker than the other. Plus when you start getting to 550 and up, traction becomes issues anyway and a little lag can be your friend there.

TTI does have a site, I do not know it offhand and last time I was there it was not too informative, best to call them or talk to prior customers. Their sites link could be found over on www.turbomustangs.com in the Links section.

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post #9 of 29 Old 01-14-2003, 05:51 PM
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The website is www.turbotechnologyinc.com
Twin setups are usually a little more just because of the extra wastegate and piping. But, I will say this, a guy local built a homemade twin setup and dynoed 500 rwhp with stock heads, intake, cam, etc. That is awesome. It really comes down to the price, you are gonna be sooooo happy with which ever one you get.

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post #10 of 29 Old 01-14-2003, 09:41 PM
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yeah like 5 guys want it whoever gets me money the first, i am trying to sell it local thats why its not sold yet.


"The junkyard dog"
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10.9 @125 bone stock motor w/13psi of intercooled, untuned
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post #11 of 29 Old 01-14-2003, 10:23 PM
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Hey five-0, is that guy around asheville? Does he still have the setup and car or? I would like to take a look at it sometime. I think you know my brother danny (95 cobra).
Jonathan
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post #12 of 29 Old 01-14-2003, 11:48 PM
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Quote:
Originally posted by 86gthatch
Hey five-0, is that guy around asheville? Does he still have the setup and car or? I would like to take a look at it sometime. I think you know my brother danny (95 cobra).
Jonathan
Yea he lives in Canton, I believe. I know him from my buddy, Darrin. He is Dman344 on here and dman on www.turbomustangs.com. I am pretty sure his name is Seth. I met your brother 2 Sundays ago. Were you there? Did you see my car? PM me and we can exchange numbers and I can try and get you Seths number.

Chuck

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post #13 of 29 Old 01-15-2003, 12:43 AM
 
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i wouldnt let spool time play too much of a factor in the decision. yes the tt will spool faster but a large single turbo isnt far behind. besides, too much boost off the line WILL hurt you moree than it will help you. yes i know i only have an escort but let me give you an example:

when i hade the small T3 (.48e/.42compressor) i would hit full boost in 1st and blister the tires...with the larger wheel (.60compressor) it spools slower, never getting more than 7 psi in first but in every other gear the boost is insane and pulls better on the top.

big turbos have a bad rap, but they wont flatline on you like some tt setups can
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post #14 of 29 Old 01-15-2003, 02:59 AM Thread Starter
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Great info. Thanks, and keep it comming.
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post #15 of 29 Old 01-15-2003, 02:11 PM
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you will get better efficiencies with a twin setup.

Thats all I have to say about that.
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post #16 of 29 Old 01-15-2003, 03:57 PM
 
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I'd go with a single. Sized properly, you can make a single spool as early as you like. My little PT51 has 4psi by 1800rpm and full boost by 2400 or so.

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post #17 of 29 Old 01-16-2003, 08:10 PM
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Either way you can't go wrong! I'd say go with a twin set-up though. I built my own for around $1000 bucks and it runs 10's.


Jeremy

Two turbos and a carb...
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post #18 of 29 Old 01-17-2003, 10:23 AM
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nice sleeper

302 plus a few, how do you like the pt-51, aren't the P-series turbo's known as a quick spool. Unlike the t-series. I was thinking of going with a T-64 or P-50 something series turbo. I looking for something that will produce boost fairly quickly, (around 2500 or so) but have a nice broad powerband as well.

Broke last year, still broke this year...
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post #19 of 29 Old 01-17-2003, 03:15 PM
 
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Re: nice sleeper

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302 plus a few, how do you like the pt-51, aren't the P-series turbo's known as a quick spool. Unlike the t-series. I was thinking of going with a T-64 or P-50 something series turbo. I looking for something that will produce boost fairly quickly, (around 2500 or so) but have a nice broad powerband as well.
My little turbo spools real quick and has a broad torque curve but it's done by 5300-5400. The low RPM will hopefully help me keep the motor together. BUT, if I were to do it all over again, I would go with one of Precision's GT61 compressor with a TE44 P-trim .69 turbine. Should have very close to the same boost characteristics of my little PT51 with a bit more top end (80-90hp). If you look at my dyno graph, you can see it start to fall off pretty fast about 4300 or so. The GT61 compressor wheel would fix that and it's physically the same size housing as my PT51. I plan to upgrade my turbo to a GT61 compressor this summer. If you bought it outright, it's going to cost you about $725-$750 from what Harry told me. My .69 turbine PT51 is a perfect turbo for a lightly modded 5.0 motor though. I've got TEA stage II heads on my car with a port matched Track Heat and the little 51 is huffing and puffing all it can into it at the moment.
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post #20 of 29 Old 01-17-2003, 05:46 PM
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Yep, I see what your saying, I have a procharger now with a built motor, but later on this year I'll probably go with something exactly like what you have....

Broke last year, still broke this year...
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post #21 of 29 Old 01-17-2003, 06:14 PM
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I have twin t3/t4 hybrids on my car and they definitely don't run out of steam up top. They pull insanely hard until I shift gears assuming I'm not busy pedalling it for traction.
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post #22 of 29 Old 01-19-2003, 07:07 PM
 
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If you can find an Incon twin kit, grab it. The rest are pretty much the same design. One problem- there were not many SN-95 kits made if you need one.

The Incon kit is designed better than any others that I've seen so far, and the intercooler and turbos are significantly better.
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post #23 of 29 Old 01-19-2003, 08:18 PM
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The Incon kits are sweet just don't wipe out a turbo, they are extremely hard to replace.



Jeremy

Two turbos and a carb...
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post #24 of 29 Old 01-21-2003, 03:13 PM
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Twins. Even if they are a couple of tenths slower in the 1/4, they make a far greater impression when a Honda driver asks to see under the hood.
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post #25 of 29 Old 01-22-2003, 02:15 AM Thread Starter
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Thanks for the info guys. DOes anyone else have any favorite kits they recommend?
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post #26 of 29 Old 01-23-2003, 01:54 AM
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I have not made a definate decision yet but my Incon 1000tti kit might be up for sale in the next few weeks.
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post #27 of 29 Old 01-23-2003, 02:07 AM Thread Starter
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keep me posted.
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post #28 of 29 Old 01-23-2003, 02:09 AM
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I make the decision in the next couple of weeks.
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post #29 of 29 Old 02-07-2003, 02:01 AM Thread Starter
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Have you made your decision? (crossing fingers and mumbling "please, please")
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