This is topic Dyno results in forum Tech Talk at Northern California Ford Owners  .


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Posted by 67stang (Member # 549) on :
 
Just thought I'd drop in and share some dyno results with the locals, before they go up on FordMuscle.com.

Car was dynoed this past Wed at Advanced Dyno Tech in Suisun, CA (Dynojet)

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1993 Cobra
78k miles

Stock short block (new timing chain.)
Cobra Cam, retarded 4 deg.
AFR 165 heads (56-58cc) Dremel clean-up to remove CNC ridges.
Crane 1.7:1 Gold rockers, 7/16" stud. 1/3 turn lifter preload.

Ported Cobra lower (Fel Pro 1250)
Cobra upper, TB neck gasket matched to 70mm TB
3/8" intake spacer
70mm TB
76mm MAF (C&L)
24lb injectors
Pullies
KN Panel filter
Shorty headers, Prochamber, Stock 93 Cobra cat-back
Stock Fan + Full Belt
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Couple notes:

-Ice-bag used to cool intake.
-3 pulls made, best two shown below.
-Air Fuel Ratio starts off at 18:1 due to bad O2 sensors (have since been replaced.)
-Best/Last pull is with 39psi fuel pressure.


 

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Posted by FasterDamnit (Member # 442) on :
 
Guess those AFR's are not much to brag about.

300rwhp w/ a Cobra cam- who'd a thunk it?
 

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Posted by st5150 (Member # 51) on :
 
NICE! Looks like you have ~5 RWHP on the table by leaning out the air fuel ratio another point. So how does the car feel on the butt dyno compared to your old h/i/c combo/car?
 

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Posted by shade-tree (Member # 298) on :
 
nice. Should run at least 110 mph then right? (I thought you were leaving it stock, lol)

[ June 27, 2003, 12:22 PM: Message edited by: shade-tree ]
 

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Posted by 67stang (Member # 549) on :
 
thanks for the feedback guys.

Sawson...ya, HP was going up every pull as we backed off FP by 1-lb. increments. Dyno operator didn't want to go leaner because of the extreme lean 18+ that was occuring at cruise due to the bad O2's.

It feels stronger than the '88, that is for sure. Since that car did 108, I think this should do at least 109. Hopefully I can get track numbers in the next couple months. Have to travel to Germany in a couple weeks, so time is tight.
 

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Posted by AaronC (Member # 86) on :
 
Very impressive results! Very clean looking curve, or lack of curve is the better term.

I sure hope I can muster more than 311 RWHP with my new setup Right Sawson, lol
 

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Posted by FasterDamnit (Member # 442) on :
 
Check this out- Me w/ ported TW's and TFS stage 1 cam, heavily ported Cobra, Pro-chamber (same one!), MAC mufflers.



Looks like Chirag gets the most outa the least award! Must be the Prochamber- yeah, that's it.
 

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Posted by shade-tree (Member # 298) on :
 
must be that cobra cam
 

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Posted by 92coupe (Member # 1957) on :
 
AFR = paper weight
 

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Posted by st5150 (Member # 51) on :
 

quote:

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Originally posted by shade-tree:
must be that cobra cam

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Yeah, that's what I was thinking....

If you know how to grind a cam, please step forward:

-Ford

-AFM

-Ford Motorsport

-Ed@FTI

-Brian@Hi-Tech

-Comp Extreme Cams

.......Not so fast Edward

At least we now know know Eddies "secret grind" to make 300+ rwhp with AFR165's and a cobra intake
 

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Posted by AaronC (Member # 86) on :
 

quote:

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Originally posted by 92coupe:
AFR = paper weight

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You have no clue, so beat it
 

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Posted by 93PONY (Member # 60) on :
 
If anybody wants to duplicate this setup, I have a stock 93 Cobra cam sitting in my garage & am willing to sell for $75.
Just so we all know what this cam is, it's the same cam Ford uses in the T-bird 5.0's.
209/209 118.5LSA
 

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Posted by yipnip5.0 (Member # 175) on :
 
what car is that motor in?
 

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Posted by FasterDamnit (Member # 442) on :
 
"1993 Cobra
78k miles"

Teal.
 

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Posted by Black94 5.0 (Member # 655) on :
 
How did you know that the O2's were bad?....Are you sure its not a bad MAF sensor?...

The air/fuel seems still a "tad" rich at 4,000+ for a NA combo....What was your base timming, 12*?
I would change tha cam for sure, but pretty good number either way....
 

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Posted by stanger91 (Member # 397) on :
 

quote:

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Originally posted by 92coupe:
AFR = paper weight

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quote:

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Originally posted by Black94 5.0:
How did you know that the O2's were bad?....Are you sure its not a bad MAF sensor?...

The air/fuel seems still a "tad" rich at 4,000+ for a NA combo....What was your base timming, 12*?
I would change tha cam for sure, but pretty good number either way....

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