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PRC heads, MS4, FAST 92 results

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Old 06-09-2008, 05:46 PM
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Default PRC heads, MS4, FAST 92 results

Stock bottom end 346, ARP rod bolts and cut pistons
PRC 5.3L heads, stage 2.5, milled to 59cc w/.040 head gasket (~11.7:1)
TSP MS4 cam on a 111 LSA with 2 degrees advance
Vengeance ported FAST 92mm intake with TSPs PTM 92mm throttle body
Hooker LTs, custom 3" duals fabricated by PAF, X-pipe with Flowmaster single chamber mufflers
All the little stuff like a lid, pulley, SSRA etc

CPT built 4L60E with Yank PT4000
3.73 in stock 10 bolt

Dyno testing was done as I drive it on the street everyday: through exhaust, 18" street tires at normal psi, no dyno tricks...

Run was UNLOCKED, Mustang dyno: 420rwhp, 353rwtq



Run 1 is current setup, run 2 is the same engine with LS6 intake, single 3" ORY and Art Carr 3600 stall
Old 06-09-2008, 05:58 PM
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Set you shift points to 6800k, and let her eat!
Old 06-09-2008, 08:50 PM
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Great unlocked and mustang dyno numbers CONGRATS the car should fly at the track.
Old 06-09-2008, 10:21 PM
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You got a lethal weapon on your hands. Aim her straight down the 1/4 mile track and kill the finish line brother. Great numbers thru a stalled auto, especially on a MD !!
Old 06-09-2008, 10:22 PM
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Subscribed for track times and vids !!!
Old 06-09-2008, 10:31 PM
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congrats
Old 06-10-2008, 07:20 AM
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those are some stout numbers through a high stall on a MD. Should be easy 10's at the track on some stickies.
Old 06-10-2008, 09:43 AM
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Damn nice results! Congrats on a killer setup.
Old 06-10-2008, 11:59 AM
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did you check piston to valve clearance? that sucker must be tight.
Old 06-10-2008, 12:11 PM
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I'm pretty sure he flycut, otherwise it would be VERY tight!


Good numbers.
Old 06-10-2008, 12:36 PM
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Congrats!! Nice setup.
Old 06-10-2008, 04:45 PM
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Originally Posted by gator's 99TA
did you check piston to valve clearance? that sucker must be tight.
Absolutely! I cut both intake and exhaust until I felt clearance was satisfactory. IIRC I cut .100" / .080", and had .082" on the intake and plenty on the exhaust side. Had I not cut it would have been very, very bad

The difference in the 3rd gear pull after the Yank, FAST intake and dual exhaust is astounding - although the dyno doesn't show it.

Finally, that pull was made in 95 degree heat with dewpoint in the low 70s. I know dynos can correct, but maybe it will wake up a little more come fall time
Old 06-10-2008, 07:30 PM
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those are some really good numbers through a stlled auto. Congrats!!
Old 10-02-2008, 10:16 AM
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I am a little confused at the differences in the two pulls. Please explain. They should both be in 3rd gear. What are all the differences?
Old 10-02-2008, 10:28 AM
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isn't that tq pretty low?
Old 10-02-2008, 10:33 AM
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Originally Posted by Jditlfm
isn't that tq pretty low?

Not for an unlocked auto. You will see low torque numbers when unlocked.
Old 10-02-2008, 10:49 AM
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how does that thing run on a 111lsa?great unlocked #'s
Old 10-02-2008, 10:55 AM
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Originally Posted by Jditlfm
isn't that tq pretty low?
Torque numbers are much lower on a mustang dyno than a dynojet.
Old 10-02-2008, 11:20 AM
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Very Nice Results
Old 10-02-2008, 11:40 AM
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That's gonna run strong as hell at the track. Can't wait to see some timeslips!


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