How much difference?
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Road Captain
Joined: Aug 2005
Posts: 743
Likes: 4
From: Ohio
How much difference?
My 95 EVO has a stage II kit. I need to replace a base gasket and was thinking while it's apart I should do some upgrades. How much difference will porting & polshing the heads only make. Should I do anything else? It doesn't use any oil between changes right now. If I go big bore does that affect reliability? I would like more power but don't want to sacrifice realibility.
Big Kahuna HDF Member
Joined: Mar 2007
Posts: 29,598
Likes: 19
From: Oregon
RE: How much difference?
To me, stage 2 means a cam in addition to exhaust, breather, carb jetting.
1. What cam do you have. That would tell you a lot.
Just for me, I've always been satisfied with the above and an Andrews EV27 cam only. Runs strong without sacrificing reliability or much economy.
2. How many miles on it? I would want to be sure it had Torrington cam bearings and new lifters if that wasn't done already.
I would want to be sure it had an appropriate cam, lifters and bearings and a good cylinder hone and new rings while I was in there before I thought of anything else.
If you bore it and port the heads and then put in an appropriate cam for that, you will be asking for some less reliablility and economy, but that's up to you. Lots of guys do it and like it.
1. What cam do you have. That would tell you a lot.
Just for me, I've always been satisfied with the above and an Andrews EV27 cam only. Runs strong without sacrificing reliability or much economy.
2. How many miles on it? I would want to be sure it had Torrington cam bearings and new lifters if that wasn't done already.
I would want to be sure it had an appropriate cam, lifters and bearings and a good cylinder hone and new rings while I was in there before I thought of anything else.
If you bore it and port the heads and then put in an appropriate cam for that, you will be asking for some less reliablility and economy, but that's up to you. Lots of guys do it and like it.
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Road Captain
Joined: Aug 2005
Posts: 743
Likes: 4
From: Ohio
RE: How much difference?
Yes, the stage two was cam, air cleaner, bigger injectors and upgrade on the ECM. The original ECM in the 95 and 96 did'nt have adjustability. The upgrade included the 32423-97B ECM and a Harley download.
The cam is SE-3:.503/.503 lift 236/240 duration. I also put on rinehart true duals.
Also, the shop that I'm talking to doesn't like the "hayden oil fix". Something about the tubes. He said he will shave the base back to flat and use a rubber coated steel gasket. Anyone have an opinion on that?
The cam is SE-3:.503/.503 lift 236/240 duration. I also put on rinehart true duals.
Also, the shop that I'm talking to doesn't like the "hayden oil fix". Something about the tubes. He said he will shave the base back to flat and use a rubber coated steel gasket. Anyone have an opinion on that?
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