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01 Cobra FR500 and MAC Prochamber dyno results

  • Thread starter Thread starter DoubleONegative
  • Start date Start date Jun 14, 2004

DoubleONegative

Active Member
Jun 30, 2003
1,528
2
39
Tioga Cty PA
Jun 14, 2004
#1
  • Jun 14, 2004
  • #1
Went to the Dyno this weekend after installation of the FR500 Catback and MAC Prochamber…Here are the Results

Stock my 01 put down 276RWHP and 281RWTQ
With the FR500 and Prochamber she laid down 297RWHP and 303RWTQ

I was very happy with the gains and surprised, gains were noted across the power band especially in the TQ department. RWTQ stayed above 300 from 4200 – 5100 peaking at 4900
 
C

CobraXtreme

New Member
Jun 4, 2004
25
0
0
Jun 14, 2004
#2
  • Jun 14, 2004
  • #2
what!? I have an 01, and arent they 320HP stock? why is yours so low!
 

cold96snake

20+ Year Stangneter
Jan 26, 2004
817
1
39
Truly, out to sea
Jun 14, 2004
#3
  • Jun 14, 2004
  • #3
CobraXtreme said:
what!? I have an 01, and arent they 320HP stock? why is yours so low!
Click to expand...
RWHP VS. flywheel HP.

Nice numbers Mike.
Now I'm even farther behind.
 
T

Thunder5.0

New Member
Jul 25, 2003
142
0
0
Jun 14, 2004
#4
  • Jun 14, 2004
  • #4
Nice gain!
 

propellerhead

New Member
Apr 13, 2004
1,541
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0
"but what's with the but shots?"
Jun 14, 2004
#5
  • Jun 14, 2004
  • #5
Nice!

I just ordered a Mac cat-back for my 04 GT. The Prochamber will be next...
 
C

CobraXtreme

New Member
Jun 4, 2004
25
0
0
Jun 15, 2004
#6
  • Jun 15, 2004
  • #6
So how much RWHP is that then? (is there a formula) ?
 

DoubleONegative

Active Member
Jun 30, 2003
1,528
2
39
Tioga Cty PA
Jun 15, 2004
#7
  • Jun 15, 2004
  • #7
Most stock 01s put down 272hp to the rear wheels using 15% drivetrain loss
 

cold96snake

20+ Year Stangneter
Jan 26, 2004
817
1
39
Truly, out to sea
Jun 16, 2004
#8
  • Jun 16, 2004
  • #8
CobraXtreme said:
So how much RWHP is that then? (is there a formula) ?
Click to expand...
Well, assuming a 15% loss, the formula would be Flywheel HP x .85, but it should be dynoed for an accurate #, because every car is different.
 

Shalenboy

New Member
May 22, 2003
65
0
0
MD
Jun 16, 2004
#9
  • Jun 16, 2004
  • #9
Thank god someone finally dynoed before and after a prochamber. I looked around forever tryin to find that info b4 I bought mine. I have the prochamber with 2 chamber flows, so I wonder if my #'s will be similar? I'll post results from my dyno in a couple of weeks!
 
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