EVO All Evo Model Discussion

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Old Oct 8, 2016 | 03:10 PM
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Called The shop where I had my stoker crank installed and spoke with Andrew about what I thought might be an issue with the crank I had installed. After talking to him he suggested I bring it down and have a look. Turned out I was just a little paranoid and there were no issues.

Next he says to me you know it's kinda slow today If you want to do a couple of pulls on the dyno bring it in. I told him that I've not been able to get it Dyno tuned yet because i thought there was a problem with the crank and again he said don't worry your fine, nothing to worry about. So on it went.

As you know even though I increased the cubic inch I did not pump up the compression this time and got rid of the top end W8 cam and went with the W6H. Keeping the same Hillside heads with a reduction in Static comp from 11.1:1 to 9.6:1

Did a couple of pulls and saw that with a .031/.072 it was a little lean when transitioning from intermediate to the main jet. So to Andrews advice I put in a 76 main and that brought my AFR right down to 13.2-13.8 through the entire pull. I was very happy with the results and mind you I'm no longer looking for HP but Torque,

Yea Baby.......... That's what I got and my *** confirms it.... 108 tq and 88 hp. Not bad for a de-tuned Evo 96"er maybe this one will last a little longer.... One thing is for sure, I cannot say that I'll never tear it down again to get more out of it but for now I'm very satisfied.....

In case anyone was wondering about the 2 pulls on one sheet. The red one is a 4th gear pull and the blue is a 5th gear pull. I wanted to see the difference in what a gear makes...
 
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Last edited by 98hotrodfatboy; Oct 8, 2016 at 03:19 PM.
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Old Oct 8, 2016 | 04:21 PM
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Do most people do a 4th gear pull? I've always wondered this.

Impressive numbers for sure, I'm sure it wasn't cheap. I'm sure it was well worth it!

Keep the shiny side up!
Tom
 
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Old Oct 8, 2016 | 05:32 PM
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I am going to ask the stupid question. What gear is normally used for dyno runs?
 
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Old Oct 8, 2016 | 08:36 PM
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Still some nice number Bob. a buddy of mine is going to have Andrew do a motor rebuild on his son's Evo.
 
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Old Oct 8, 2016 | 09:36 PM
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Originally Posted by Tony_N
Still some nice number Bob. a buddy of mine is going to have Andrew do a motor rebuild on his son's Evo.
Thanx Tony. It is a real pleasure to ride....

Originally Posted by Prot
I am going to ask the stupid question. What gear is normally used for dyno runs?
No not at all. From the 4 different Indy's I have used they all have done their pulls in 5th gear....
 
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Old Oct 9, 2016 | 12:14 AM
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Thanks. I am getting the itch to get mine dyno' d out of curiosity but certainly don't want to waste money just to get a piece of paper. Maybe I might get lucky and go to an event or something with free dyno runs or what some call dyno racing.
 
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Old Oct 9, 2016 | 06:57 AM
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Originally Posted by Prot
I am going to ask the stupid question. What gear is normally used for dyno runs?
Every dyno run I've done, they use 4th gear on a 5 speed or 5th on a 6 speed, but none of them were Harley.
 
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Old Oct 9, 2016 | 10:13 AM
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That's some good numbers you got there Bob, that would probably rip the key right in half of my tapered mainshaft !!!!!!
 
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Old Oct 9, 2016 | 10:48 AM
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Your peak torque is the exact same as my S&S 107", although I have a wider flatter curve and also get over 100HP. Yours must be quite something to ride!
 
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Old Oct 9, 2016 | 10:56 AM
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Originally Posted by Tee⋁15579476
Do most people do a 4th gear pull? I've always wondered this.

Impressive numbers for sure, I'm sure it wasn't cheap. I'm sure it was well worth it!

Keep the shiny side up!
Tom
Actually it wasn't that pricey. Finding the used crank saved me $800. With the case assembly and the S&S Side winder and trueing and balancing the crank I have $2200. in it.

Originally Posted by Tony_N
Still some nice number Bob. a buddy of mine is going to have Andrew do a motor rebuild on his son's Evo.
I'm sure he'll do it right. When I last Spoke to Andrew on the subject of Evo's He said he really doesn't get into them much any more. But will on occasion. I'll say this also, He's very respectable and can tune with the best...... Let me know how your buddy makes out...

How did you make out with the fire damage?

Originally Posted by glidein wide
That's some good numbers you got there Bob, that would probably rip the key right in half of my tapered mainshaft !!!!!!
Thanx, Yea it's a lot of fun..... Hard to believe the roll on power when on the Expressway.... 60 to 90 in a heart beat... No wonder the chain keeps stretching. Gonna need to cal Pete at Zippers to get more info on the chain. Had to adjust it again yesterday...
 
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