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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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90ci, big bore, engine builder, hammer performance, patriot defender

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  #1631  
Old 2 Weeks Ago
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Quote:
Originally Posted by brucstoudt View Post
thanks for making that clear. what's the bore size on your cylinders?
3.875 90 ci

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  #1632  
Old 1 Week Ago
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thanks for that.it's only slightly undersquare now.opposite of mine.(stroker)
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  #1633  
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What happened to the OP?

Kind of interested in how this turns out.
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  #1634  
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Originally Posted by MatHormell View Post
Wrapping them strictly to keep heat away from me lol, no real benefit otherwise

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Lol Matt know where your coming from! I had ceremic coated pipes & ( mummy wrap ) now using chrome pipes ( not searching for power gain, just had them to use ) .
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  #1635  
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Done that myself, have ceramic coated three stepped 2:1 hooker headers on my 2000”C” for about 20 years now. Wrapped them and added the chrome heat shields to keep it as a sleeper. Oh, an S&S 89” strokes kit as well. 90,000+ miles on the bike just better than 60,000 on the engine. Fun machine but crying for head work, may have to run out to Hammer Performance and see what Dan and Aaron can do for me.
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  #1636  
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Originally Posted by sportsterpaul View Post
Done that myself, have ceramic coated three stepped 2:1 hooker headers on my 2000”C” for about 20 years now. Wrapped them and added the chrome heat shields to keep it as a sleeper. Oh, an S&S 89” strokes kit as well. 90,000+ miles on the bike just better than 60,000 on the engine. Fun machine but crying for head work, may have to run out to Hammer Performance and see what Dan and Aaron can do for me.
good miles!

I would say a good move on seeing Hammer about a set of heads!
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