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Sportster Motorcycle Engine Conversions Advice, questions, and tips for 1200, 1250, 1340, 1450 etc... for Sportster and Buell motorcycle engine conversions

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  #21  
Old 4 Weeks Ago
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lmarshall73 lmarshall73 is offline
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Originally Posted by Cropduster View Post
You will probably need framed picture of your drivers license so you can look back fondly at it.....

I would seriously consider heads from Hammer, their kits are bang on and what they told me mine would make, it makes, went together effortlessly too. If you're using their big bore kit and more importantly, their cams, use the head mods they recommend over the SE stuff, you will get more for your money IMO.
My goal was to go as far as I could without requiring any machine work/extended down time (living in Florida, there is no off season for riding). The entire upgrade is being paid for with a bonus, so there is definitely a budget to stick to. My first option was to go with a mild build, foregoing heads and relying on N4 cams and swapping to an HSR42. I found a screaming deal on the SE heads (see what I did there?), so I shifted the build in that direction, pushing the carburetor / manifold upgrade to later.

Of course, the backorder date on the SE heads has changed twice, so I may end up sourcing some heads to have ported sometime down the line.
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Old 3 Weeks Ago
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Originally Posted by Folkie View Post
Apparently you can, but I've never heard of anyone doing it.
Folkie , I have seen a few Eco Sporty stroker's, but I would not build one myself. as built a Shovel stroker big twin years back ( it's still going ok ) And I learnt all the extra things you need to do, like the motor can get longer than stock, so need different intake manifold as heads get wider apart . Also sometimes have to make changes to the frame to fit longer motor in. they also have higher piston speed. so I'll stick to just larger bore myself. but seen some 89" EVO sporty strokers.
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