What twins equal a ys-trim? - Ford Mustang Forums : Corral.net Mustang Forum
 
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post #1 of 16 Old 06-30-2005, 04:07 AM Thread Starter
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What twins equal a ys-trim?

I was thinking 60's

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post #2 of 16 Old 06-30-2005, 03:59 PM
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Probably, I do not know what a YS-trim is good for HP wise so hard to say definately.


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post #3 of 16 Old 06-30-2005, 09:27 PM
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Quote:
Originally Posted by nate79
I was thinking 60's
You can't just blanket statement it. A pair of SC61's are just over 60mm, but will support a boat load more HP than a pair of T3/TO4E 60-trim's which are also right around 60mm. The 60-trim's would be good for right around 950 RWHP pushed to the absolute max, and the SC61's would be good for around 1300 RWHP pushed to the limit.

A pair of T3/TO4E 57-trim .63 A/R turbos with stage 3 exhaust wheels would be about on par with a YS-trim in terms of max potential peak power, but the turbos would obviously have a lot more mid range.
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post #4 of 16 Old 07-01-2005, 09:53 AM
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if i remember right the ys trim is good for about 1000 hp fw
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post #5 of 16 Old 07-01-2005, 10:10 AM
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I'd say a pair of 60-1 hifi's or TE-44s would be close to one then, they actually should out do the YS by a bit. To be closer probably have to step "down" to a T3/T4 hybird and with the 57s would be close. Of course that is really generalizing things.

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post #6 of 16 Old 07-18-2005, 07:32 PM Thread Starter
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Decided on a single setup. Just need to get rid of this blower first. I read hundreds of posts over at turbomustangs.com, still kinds clueless on what would work best though. Not really looking to make more power, just better power.

Twins are out of the question.

Thanks for the help
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post #7 of 16 Old 07-19-2005, 10:35 AM
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Do a PT88

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post #8 of 16 Old 07-19-2005, 12:12 PM Thread Starter
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will that spool pretty quick? the motor i have is a rblock 331, 8.0-8.5 compression, fully ported 70cc victor jr's, fully ported tfs-r lower, stock upper, 80 mm throttle body, gen 6 dfi, nx 282 hydraulic cam, 1.6 rockers, t-bone lifters (gets rid of the spider)..no a/c, no power steering, so there is a lot of room in there

mark luton built the motor, it had 20-25psi in mind, so thats how the rings are setup..the heads were ported with that much psi in mind too..

i dunno about this cam i have in there..the specs straight up are 565/580 lift 232/244 duration, 114lsa

i dont plan on changing cams, but tell me what you think of this cam with a turbo

edit, what about advancing or retarding this cam?

Last edited by nate79; 07-19-2005 at 12:19 PM.
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post #9 of 16 Old 07-19-2005, 12:49 PM
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I could not tell you one way or the other in regards to the cam. In regards to the turbo, that seems to be one of the most commonly picked ones when going from the YSI. It actually would make more power if the wick is turned up to do so. I guess it really comes down to how much power do you want to have. I just glanced back and did not notice a number in regards to goals. I'd say it could be a toss up between the PT88 and a T76 GTS but I am thinking you want to make a lot of power which is why I toss up between them. Either one should spool fine on your motor combo.

Personally, if I had the money to buy the turbo now, I'd call up a turbo place like Limit Engineering, PTE and so on. I tell them my power goals and go over my combination with them and let them decide what would be best to build for me. That is what I did for my twins when I called up Limit Engineering, I figured better let the builders tell me what to run than for me to tell them.

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post #10 of 16 Old 07-19-2005, 05:05 PM Thread Starter
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I have no dyno time on this blown setup, but I assume its making 600-650 rwhp on pump gas.

The blower makes about 22 psi thru the intercooler

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post #11 of 16 Old 07-19-2005, 05:25 PM
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Well I would not think too much about lbs of boost when thinking turbos. Probably could make the same power, actually probably still more, with a T72 or T74. If you do not want any more power, I'd still go the route of a T76 and just tune it for the level you want. That way if/when you ever want more power it is just the "twist of a knob" You could pick from a few street kits for that sized turbo unless you plan to try to make it yourself.

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post #12 of 16 Old 07-19-2005, 05:34 PM Thread Starter
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I just need the the hot side, I already have the cold side done.

I will be doing most of myself. I saw some headers, bgcustom, they look pretty good. Is there anything wrong with using flipped headers? t76 is what everyone keeps telling me

Is there a preffered t76? I will getting everything thru mark or these forums

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post #13 of 16 Old 07-20-2005, 12:41 AM
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I would just do some flipped shorties, there are a lot of guys doing that with great success and if you have the skills to make it work then you save some cash. I would go with whatever brand Mark recommends since that would probably be the best deal you he can offer. I personally like to use Limit Engineering for turbos, a lot of people like to use PTE then you have fans of Innovative, Turbonetics and Master Power. Master Power is the cheapest then usually comes PTE or Turbonetics or Limit Engineering, Innovative seems to be the most usually.

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post #14 of 16 Old 07-20-2005, 02:10 AM Thread Starter
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Most likely it will be an innovative, they are located near me. Mark just told me he was using flipped motorsport headers, so thats what I will be using...he went 8.90'[email protected] with those headers

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post #15 of 16 Old 07-21-2005, 08:46 PM
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Nate, why'd you rule out twins? Just curious.

I have virtually the same cam as you and it ran very well with my single 74-GTQ. I have started on a GT47-88mm buildup (1550 HP capable) and have heard nothing but good things about this turbo, in terms of quick spool and lots of power.

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post #16 of 16 Old 07-21-2005, 09:55 PM Thread Starter
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Price was the major factory.

My plans are to eventually add another t76 and a powerglide once I am done driving it on the street.
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