Which is better short stroke or big bore engine?
Comparing two engines with the same displacement, a long-stroke/small-bore combination is simply less efficient than a short-stroke/big-bore combination on several counts. Big bores promote better breathing.
Can you put a big bore kit on a Dyna Street Bob?
I am looking into putting a big bore kit and cams on my 2010 dyna street Bob FXDB as well as porting and polishing the stock heads. I have three questions, how big bore size can I go, how large of cams, and what compression ratio I should shoot for without sacrificing reliability?
How big is the bore on a small block V-8?
Many aftermarket Chevy small-block V-8s now have siamesed cylinder walls that will easily accommodate 4.185-inch cylinder bores. There’s simply no reason to build a 383-cubic-inch small-block with a 4-inch bore block when you can have a 406 or 412-cubic-inch small-block for about the same money.
Why do you need a big bore kit?
Bolt-on Performance You Want! A big bore kit is an easy way to achieve more displacement, and if you can install it without rebalancing flywheels or boring the crankcases, that’s about as easy as it gets. That’s the idea behind the S&S® big bore kits for Milwaukee Eight & Big Twins engines.
I am looking into putting a big bore kit and cams on my 2010 dyna street Bob FXDB as well as porting and polishing the stock heads. I have three questions, how big bore size can I go, how large of cams, and what compression ratio I should shoot for without sacrificing reliability?
What kind of cylinders are used in big bore kits?
The cylinders are a core component for reliability for any big bore kit and we include the very best with the Extreme Duty Cylinders. These cylinders feature hi-strength steel liners which allow for “Drop In” installation of 110″ cylinders (4.000″ bore diamter) without boring the cases on H-D Twin Cam engines with a 4.375″ stroke.
Is the 107 big bore the same as the 110 big bore?
The following videos were created with our 107″ big bore kit however the installation process remains identical for our 110″ big bore kit.
How big is a bigbore on a Harley Davidson?
Discussion in ‘ Engine, Fuel and Exhaust ‘ started by Rod Stewart, Jan 21, 2016 . Early last year I did a 103″ BigBore kit (3-7/8″) with SE 203 cams on my 2007 96″ Road King Classic. I would have gone 110″ or bigger, but the 103″ was the biggest MoCo bore you could get without having to bore the cases.