86 coupe with 5.4 2v M&P T70 Dyno Sheet - Ford Mustang Forums : Corral.net Mustang Forum
 
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post #1 of 21 Old 06-16-2011, 05:09 PM Thread Starter
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86 coupe with 5.4 2v M&P T70 Dyno Sheet

Figured i would share this, im always curious about dyno sheets my self. Motor is a MMR street mod 900 5.4, heads are dss 2v, stock 4.6 pi cams, victor jr intake, 60lb injectors, 3.27's out back. 03 cobra ecu with a sct. Car has power everything and AC. It's rigorously driven daily weather permitting.

That's at 10lbs of boost..




86 Coupe, 524rwhp 597rwtq, MMR 900 5.4, DSS 2v cnc ported heads with Precision 76mm, , tremec 3550, 3.27's, TEAM Z, Maximum Motorsports, Bilstein
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post #2 of 21 Old 06-16-2011, 07:53 PM
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I bet that is a fun car!!! Congrats!!
What exh housing, the power falls off fast?


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post #3 of 21 Old 06-16-2011, 10:51 PM Thread Starter
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thanks man! It's great on the street, so well mannered not under boost you can drive it all day and then romp it and it's a little animal. I wanna say it a .68, definitely undersized for the motor. I bought the car from a good friend whom i share a shop with and it was already on the car. So i spent the money on the short block and a gazillion other things. lol

here's the build thread on turboforums: Donk's new project: MPt70 on the 5.4 coupe Dyno#'s are in

86 Coupe, 524rwhp 597rwtq, MMR 900 5.4, DSS 2v cnc ported heads with Precision 76mm, , tremec 3550, 3.27's, TEAM Z, Maximum Motorsports, Bilstein
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post #4 of 21 Old 06-16-2011, 11:33 PM
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why not stock shortblock 5.0? numbers woulda been the same for waaaaaaaaaay less money
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post #5 of 21 Old 06-17-2011, 08:43 AM Thread Starter
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Do you mean a 5.0 pushrod motor?
If so then:
A stock 5.0 is a time bomb first off.
I can run the ac and power everything with the nod motor and drive it all day in the heat or what ever condition I throw it in.
I know I can turn up the boost and make more power, as a street car it's pretty useless without traction.
And.. It's different!!

86 Coupe, 524rwhp 597rwtq, MMR 900 5.4, DSS 2v cnc ported heads with Precision 76mm, , tremec 3550, 3.27's, TEAM Z, Maximum Motorsports, Bilstein
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post #6 of 21 Old 07-06-2011, 05:33 AM
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why not stock shortblock 5.0? numbers woulda been the same for waaaaaaaaaay less money
not really. you would keep buying stock blocks once a week!
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post #7 of 21 Old 07-06-2011, 10:10 AM
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.68 housing is little small for at your power level it be ok. Looks like you have valve float at 5100 rpm.

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Best pass to date 8.92 at 156mph. Best 1/8 mile 5.6at 127 mph.
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post #8 of 21 Old 07-06-2011, 06:30 PM
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You HAVE GOT to put a bigger housing on there, if not a bigger turbo. That thing is begging for more turbo. I love that it's a 5.4v, something different for sure.
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post #9 of 21 Old 07-09-2011, 12:43 PM
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that combo is definately way off when the max power is only at 4900rpms

95 gt.... Bolt ons, weight reduction, slicks, 150 shot
2795lbs w/ driver.... 1.44 60' 11.29 @ 120mph.
New setup: 347ci SBF/88mm turbo/Powerglide
7.84 @ 177mph
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post #10 of 21 Old 07-09-2011, 04:56 PM Thread Starter
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I agree on it needing a bigger turbo! But it needs paint so that will be the next thing on the list.

As far as the power falling how much more rpm would you expect?

My ultimate goal is to be able to drive the 100+ miles a day in any condition and have be on the moderate/safe side with the tune. I'm going to go back and bump the boost up and see what it does. As I said I drive the car all summer with ac and power everything. So max hp isn't as important to me as driveability/reliability.


86 Coupe, 524rwhp 597rwtq, MMR 900 5.4, DSS 2v cnc ported heads with Precision 76mm, , tremec 3550, 3.27's, TEAM Z, Maximum Motorsports, Bilstein
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post #11 of 21 Old 07-15-2011, 08:12 AM
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I would expect a modular turbo car to pull to bare minumum 6k, but realistically should be much more like 7k rpms.

95 gt.... Bolt ons, weight reduction, slicks, 150 shot
2795lbs w/ driver.... 1.44 60' 11.29 @ 120mph.
New setup: 347ci SBF/88mm turbo/Powerglide
7.84 @ 177mph
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post #12 of 21 Old 07-15-2011, 10:49 AM Thread Starter
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A stock cammed 4v yes, but a 2v your pushing your luck.

86 Coupe, 524rwhp 597rwtq, MMR 900 5.4, DSS 2v cnc ported heads with Precision 76mm, , tremec 3550, 3.27's, TEAM Z, Maximum Motorsports, Bilstein
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post #13 of 21 Old 07-15-2011, 02:01 PM
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Your going to have to fab either way because even a 81 or 96 is going to need the DP changed a bit. But the back pressure is VERY high on that poor thing. I'd look at a T70 or 76, something with a GTS wheel or comparable. You can still keep the boost lower like you have it, and it will make more power, and not fall off like it is. Plus the car will be more controllable. Right now your pedal is a light switch I bet lol.
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post #14 of 21 Old 07-15-2011, 03:12 PM
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Get a .96 turbine wheel on it and see what itll do. And what valvesprings do you have? Valve float is a big issue when it comes to boost on a 2v.
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post #15 of 21 Old 07-18-2011, 05:06 PM
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I have a few .81 and .96 housings laying around if you wanted to swap out
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post #16 of 21 Old 07-18-2011, 06:19 PM
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Get a .96 turbine wheel on it and see what itll do. And what valvesprings do you have? Valve float is a big issue when it comes to boost on a 2v.
Nah, mine are stock valve stock valve springs, but on a 4v. Yeah, I would go 96. That will still be a little small because of the size turbine in there, but the only option you have for it short of a new turbo.
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post #17 of 21 Old 07-18-2011, 07:40 PM
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Nah, mine are stock valve stock valve springs, but on a 4v. Yeah, I would go 96. That will still be a little small because of the size turbine in there, but the only option you have for it short of a new turbo.
Ya the 4v engines don't face the problem nearly as bad as the 2v. Look at 2002mustanggt's car when he got close to 20 PSI. It started losing power in high RPM due to valve float.
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post #18 of 21 Old 07-19-2011, 06:02 PM
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For sure. Smaller valves are easier to control.
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post #19 of 21 Old 07-19-2011, 10:06 PM
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Quote:
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As far as the power falling how much more rpm would you expect?

A stock cammed 4v yes, but a 2v your pushing your luck.
You need some comp high load valve springs
More like this....This is with a c4 transmission.

2002 2V TF heads Custom Edelbrock NA SVT Cams
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post #20 of 21 Old 07-19-2011, 10:50 PM
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power level will rise or fall with a turbo, but the rpm band will stay essentially the same. A 2v 5.4 will choke bad above 5k.

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post #21 of 21 Old 08-09-2011, 12:19 PM Thread Starter
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Damn where have I been. Lol I haven't got any notifications about replies. Anyhow I had to do a heater core and decided to make a hydraulic set up. Working on it one day a week don't allow for a lot of productivity. Hopefully I will be driving it tonight! So I'm not doing a damn thing to it until late fall when it's done for the year. I am probably going to swap the housing for a bigger one and see what happens. I would LOVE to make it a 4v with twins but money just won't permit that as of right now.

86 Coupe, 524rwhp 597rwtq, MMR 900 5.4, DSS 2v cnc ported heads with Precision 76mm, , tremec 3550, 3.27's, TEAM Z, Maximum Motorsports, Bilstein
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