Bore and Stroker kits
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Elite HDF Member
Joined: Mar 2005
Posts: 4,092
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From: St. Petersburg Florida
Bore and Stroker kits
Does anyone know of any after market big bore or stroker kits for Ironhead engines? Has anyone here stroked one out? I know the stock stroke is 3.8125 inches. How much more can one go without sacrificing reliability? Increasing the bore size would not add as much stress as stroking but I have yet to find a big bore kit for one.
Seasoned HDF Member
Joined: Dec 2004
Posts: 11,068
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From: Texas! Ya mean there's someplace else?
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Joined: Feb 2006
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RE: Bore and Stroker kits
HI. I run a 79 1280 stroker sportster, and have had many others. The whole stroker thing is out of hand. Its not Rocket science. Its putting a longer stroke into your motor, whoopie. Contact the "Dragon man" look him up on your search engine. He builds motors, the best, period, bar nome.
call him, discuss what you want, and send him your motor. He will do it all and not emty your bank account. He's got an add in just about every chopper rag out there.
call him, discuss what you want, and send him your motor. He will do it all and not emty your bank account. He's got an add in just about every chopper rag out there.
Seasoned HDF Member
Joined: Dec 2004
Posts: 11,068
Likes: 1,476
From: Texas! Ya mean there's someplace else?
RE: Bore and Stroker kits
ORIGINAL: strokersteve
HI. I run a 79 1280 stroker sportster, and have had many others. The whole stroker thing is out of hand. Its not Rocket science. Its putting a longer stroke into your motor, whoopie. Contact the "Dragon man" look him up on your search engine. He builds motors, the best, period, bar nome.
call him, discuss what you want, and send him your motor. He will do it all and not emty your bank account. He's got an add in just about every chopper rag out there.
HI. I run a 79 1280 stroker sportster, and have had many others. The whole stroker thing is out of hand. Its not Rocket science. Its putting a longer stroke into your motor, whoopie. Contact the "Dragon man" look him up on your search engine. He builds motors, the best, period, bar nome.
call him, discuss what you want, and send him your motor. He will do it all and not emty your bank account. He's got an add in just about every chopper rag out there.
This isn't meant as an attack on you, or even on the Dragon Man, just wanting to know your experiences.
Grand HDF Member
Joined: Jun 2005
Posts: 3,711
Likes: 3,438
From: SW WA.
RE: Bore and Stroker kits
I had an 86" '75 Ironhead via Truett & Osborn lower end and Axtell top end.
Much machining required on the cases and I had 12:1 pistons with high lift cams and Baisley heads with oversized valves so some machining on the psitons was also required.
I wouldn't recomend a build like this for a daily rider though,bad *** yes but tempermental and hard to start.
A lower compression less cam'd up version could be doable for a daily rider.
Looky here
http://www.truettandosborn.com/
http://www.axtellsales.com/
Much machining required on the cases and I had 12:1 pistons with high lift cams and Baisley heads with oversized valves so some machining on the psitons was also required.
I wouldn't recomend a build like this for a daily rider though,bad *** yes but tempermental and hard to start.
A lower compression less cam'd up version could be doable for a daily rider.
Looky here
http://www.truettandosborn.com/
http://www.axtellsales.com/
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Elite HDF Member
Joined: Mar 2005
Posts: 4,092
Likes: 1
From: St. Petersburg Florida
RE: Bore and Stroker kits
I am looking at getting 75CI displacement. .30 overbore and 4 and 3/4 inch stroke. Is that too much for a daily driver or long distance cruiser?
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