EVO engine performance upgrade
#1
EVO engine performance upgrade
Anyone use this kit ? http://www.revperf.com/product_info....7u7qsgvsnumvd2
#3
You can maintain 80", and still have great power, and/or bore your cases to accept Axtell 3 13/16" cylinders to have a 97".
FWIW, built a 108" Evo 3-4 weeks ago.
Scott
FWIW, built a 108" Evo 3-4 weeks ago.
Scott
__________________
HILLSIDE MOTORCYCLE & MACHINE, INC.
HARLEY-DAVIDSON SPEED & SERVICE CENTER
5225 SOUTH MAIN ST., MUNNSVILLE, N.Y. 13409
Sales/Support 315-495-6650
www.hillsidecycle.com
Walk-in Retail Showroom
Complete H-D Machine Shop
Case & cylinder boring
Complete Cylinder Head Shop
High-Performance Engine Kits
Crank Rebuilding
Direct Link & PowerVision Tuning
Goodson HD Tooling Manufacturer
Maxton Mile World Record
4500 sq ft. facility
OVER 35 YEARS OF H-D ENGINE BUILDING.
See us on Facebook.
HILLSIDE MOTORCYCLE & MACHINE, INC.
HARLEY-DAVIDSON SPEED & SERVICE CENTER
5225 SOUTH MAIN ST., MUNNSVILLE, N.Y. 13409
Sales/Support 315-495-6650
www.hillsidecycle.com
Walk-in Retail Showroom
Complete H-D Machine Shop
Case & cylinder boring
Complete Cylinder Head Shop
High-Performance Engine Kits
Crank Rebuilding
Direct Link & PowerVision Tuning
Goodson HD Tooling Manufacturer
Maxton Mile World Record
4500 sq ft. facility
OVER 35 YEARS OF H-D ENGINE BUILDING.
See us on Facebook.
#4
I've heard nickel sil is not the way to go. Cheaper to bore your cylinders and get Wiseco pistons.. You won't get 92 cubic inch but you can get an 83" Evo that will pull the low nineties no problem with the right heads and cam...maybe even 97/97. Also working a set of heads to 72 cc combustion chambers is a lot to get to 10.5:1... Again Better going with Wiseco high compression pistons.... Or stroke it....
#6
It certainly earned itself a bad reputation. Many years ago IIRC Moto Guzzi were the first bike brand to try it and BMW used it later in both bikes and cars. BMW still do AFAIK, so after umpteen years of development by loyal customers I think it has finally proved itself reliable! Being a bit of a dynosaur myself I think I would still prefer my Evo to have traditional cylinders, with 'reel' steel liners!
#7
Some of the bad talk, for the most part, was created by a "shop" that paired the wrong rings against the NiCad bores, and had quite a few of the *****-priced engine kits out there, that scattered the hard nickel material thru the entire engine.
A class-action was being gathered together, but fizzled out.
No secret.
Scott
A class-action was being gathered together, but fizzled out.
No secret.
Scott
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#8
I ran Rev Perf cylinders and many buds do as well zero issues.
#9
taking chances for something that is pretty much a gimmick with no real benefits over tried & true cast sleeves.we`ve used woods W8 or W9 cams in the past with these builds
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