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View Poll Results: What will a stock 427R dyno numbers be for rwhp?
0-320 0 0%
320-335 3 4.17%
335-350 8 11.11%
350-365 27 37.50%
365+ 34 47.22%
Voters: 72. You may not vote on this poll

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  #1 (permalink)  
Old 02-21-2007, 10:42 AM
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Poll..What will the 427 dyno at...?

I may be (weather permitting) taking my car in for two pulls on the Dynojet.

The temps will be in the mid 60's and low humidity.

Where do you believe the final rwhp will fall?
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Old 02-21-2007, 10:45 AM
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I say somewhere between 360-370. Voted 350-365.

This is based on the 427 really being 427 fwhp and 15% drivetrain loss. Weather as stated shouldn't be a factor, unless it is very humid.
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Old 02-21-2007, 10:51 AM
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365,375 if you run Syn fluids, engine and tranny, keep us posted
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Old 02-21-2007, 11:12 AM
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i'm about to hit the dyno in my '01 Stage 3.....i voted 350-365 for yours
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Old 02-21-2007, 12:56 PM
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Quote:
Originally Posted by spindlecone
365,375 if you run Syn fluids, engine and tranny, keep us posted
Do syn fluids make that much of a difference?

will the mirror covers I put on help?
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Old 02-21-2007, 12:57 PM
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360 +/-

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Old 02-21-2007, 01:05 PM
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are you taking it today?
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Old 02-21-2007, 01:10 PM
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Quote:
Originally Posted by innrkid
Do syn fluids make that much of a difference?

will the mirror covers I put on help?
Have yet to dyno the stang, but have had 15 pulls on my V6 exploder.
All syns got me 9 RWHP
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Old 02-21-2007, 01:23 PM
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Nah...mirror covers won't help but stickers will . About 9 on each fender should do it.
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Old 02-21-2007, 02:20 PM
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Quote:
Originally Posted by RoushRocks
are you taking it today?
Saturday

if the weather holds
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Old 02-21-2007, 02:56 PM
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In November, a 427 pulled around 373, during the dyno day at Springfield Motorsports. My vote 365 + .
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Old 02-21-2007, 04:49 PM
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another 365+ vote here...might just surprise you
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Old 02-21-2007, 05:12 PM
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I voted for 365+...But I hope for 391
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Old 02-21-2007, 05:38 PM
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365+ is my vote.I think if all goes well it may be closer to 386.
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Old 02-22-2007, 08:04 AM
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Update...I am going in tomorrow...at 3:30 CST

I will send some Roush stickers to whomever is the closest to RWHP average over two pulls.
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Old 02-22-2007, 08:58 AM
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my guess - avg 367
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Old 02-22-2007, 10:08 AM
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Iam gona say 380 rwhp good luck!
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Old 02-22-2007, 11:15 PM
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I dynoed at 379 at the wheels at 68* with my Stage 3. The 427 should be a little more. I am at 2100 feet here in Vegas to.

I say, 386 avg.
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Old 02-23-2007, 05:11 AM
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Man...I had expectations in the mid 350's ....maybe.

427 less 20% is 341.6.

427 less 15% is 362.95

427 less 12% is 375.76

427 less 10% is 384.3

I saw an article before I purchased and they only got 356 rwhp out of it....


We'll see...today is the day and the weather forecast is clear ....

Stickers on the way to the winner.
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Old 02-23-2007, 11:56 AM
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My vote is 369 avg.
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