Dyno before the head job

[liferider]

Ok, here is the Dyno as the bike was in Sturgis. Pulled heads and boxed them up and shipped them off. Decided not to do the oversize bore job due to the power I currently have. Just decking the head .040, port & pollish with new valve springs, guides & valves.Also going from yellow injectors up to red injectors. The decking will bump compression from 8.5-1 where it is right now up to 10-1. right now i'm building 67hp @ 5000rpm. We feel just the head work and the injectors will add 13-14HP moving the over all to around 80-81HP. My brother thinks maybe 85. We shall see. PS. Bike was running LEAN!

 

[Knuckles]

What cam you running?
Making any changes?

 

[liferider]

Andrews EV-27 cam makes good lowend torque and thats where i'm mainly trying to build power. Tour bike, not a drag racer.

 

[ksmike]

Just curious, what bike and mods are on it and who did you have dyno it?

 

[liferider]

Just curious, what bike and mods are on it and who did you have dyno it?

Bike is a 1996 HD Ultra Classic with a fuel injected EVO engine.
Arlen Ness ignition instead of a power commander, Andrews EV-27 cam, adjustable push rods, 2 into 1 Thunderheader, Arlen Ness air proformance intake. It's a complete Stage 2 set up. R&D did the Dyno. Trust me, it's accurate! He did my Big Dog and it was the same as S&S came back with. On 2003 S&S 107 shipped to Dog 1 HP per engine size. My Bigdog dynoed @ 109 HP.

 

[stlmikie]

What a bummer. 67 hp? I've a 80 Honda 750 that makes that much.

 

[liferider]

What a bummer. 67 hp? I've a 80 Honda 750 that makes that much.

Well good for you and your rice burner. Factory HP was 48-50 for the EVO motor. And I'll bet you a $100.00 bill my ass will feel great after a 800 mile day while you have to stop at a hospital for Vicadin around the 400 mile mark while on your rice burner! I guess HD ought to start taking lessons from the slant eyes on building bikes huh? And your S&S motor builds what kind of power?

 

[stlmikie]

Whoa tuff guy. I didn't mean it that way. Sorry I offended. But you might go easy on the shit talk or you might come up short patna.

 

[ksmike]

Bike is a 1996 HD Ultra Classic with a fuel injected EVO engine.
Arlen Ness ignition instead of a power commander, Andrews EV-27 cam, adjustable push rods, 2 into 1 Thunderheader, Arlen Ness air proformance intake. It's a complete Stage 2 set up. R&D did the Dyno. Trust me, it's accurate! He did my Big Dog and it was the same as S&S came back with. On 2003 S&S 107 shipped to Dog 1 HP per engine size. My Bigdog dynoed @ 109 HP.

Not bad since you probably only have around 80 cubic inches. Some of the new Harleys barely make those numbers with 96 inches.:up:

 

[liferider]

Not bad since you probably only have around 80 cubic inches. Some of the new Harleys barely make those numbers with 96 inches.:up:

You are correct it is a 80 Inch EVO motor

 

[stlmikie]

I didn't see your last question. It puts down a measly 110 hp and 125 ftlb(sp?).

Well good for you and your rice burner. Factory HP was 48-50 for the EVO motor. And I'll bet you a $100.00 bill my ass will feel great after a 800 mile day while you have to stop at a hospital for Vicadin around the 400 mile mark while on your rice burner! I guess HD ought to start taking lessons from the slant eyes on building bikes huh? And your S&S motor builds what kind of power?

 

[RCAdd1ct]

Make sure you cc your heads before you calculate CR.

That was one of the issues I had on my second build. HD said they were 12cc's more than they actually were......thought I had 10.25:1. It was more like 13:1.

And I wondered why the top end would not hold up.

 

[liferider]

Make sure you cc your heads before you calculate CR.

That was one of the issues I had on my second build. HD said they were 12cc's more than they actually were......thought I had 10.25:1. It was more like 13:1.

And I wondered why the top end would not hold up.

Thats why the head work is being done by Kendall

 

[MARV]

You also have to tell him how far the pistons are down from tdc. That has a big effect on compression.

I'd measure that then send the jugs also to get that cut for zero deck height.

Ask him and let.us know what he thinks