Dragbike Engine

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Re: Dragbike Engine

23 Apr 2019 13:29
#802711
Also, here's a link to the pictures if you're interested.
www.z1enterprises.com/blog/curtiss-drag-bike/

Curtiss
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Re: Dragbike Engine

23 Apr 2019 14:39
#802714
Cool and ingresting you want to share information about your hobby and bike!
1981 KZ650-D4, with 1981 z750L engine (Wiensco 810 big bore).

Project:
www.kzrider.com/forum/11-projects/607213...sr-1981-z750l-engine
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  • Big Jay
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Re: Dragbike Engine

23 Apr 2019 22:14
#802727
Great stuff. I like the cam chain tensioner and cylinder studs the best.

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Re: Dragbike Engine

24 Apr 2019 12:22
#802758
Very cool, I can look at stuff like that all day.
1982 KZ750-M1 CSR
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Re: Dragbike Engine

24 Apr 2019 19:08 - 24 Apr 2019 19:08
#802785
jayrodoh wrote: Very cool, I can look at stuff like that all day.
I'm lucky, I do.
Last edit: 24 Apr 2019 19:08 by Big Jay.

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  • Dragbike_Mike
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Re: Dragbike Engine

28 Apr 2019 12:32
#802952
sparcuser wrote: The blue bike below had the same engine as now, but no stroker - it was a 1500, was back-halfed, and the bike was very heavy. That nifty rear wheel Sandy Kosman sold me looked cool, but was billet, and weighed a ton. I was also 20 lbs. heavier. I liked the small tire bike, but it was always badly overpowered, and could be tough to ride. Used to run in the mid - high 150's with that setup.

Curtiss

Thanks, Curtiss, for all of the info on your bikes. I did check out the pics in the Z1 Enterprises link - very nice! I see a well thought out, well executed dragbike. Great attention to the details with no shortcuts. And it sounds like it gets the job done! And, yeah, a small tire bike is great, until you ask it to put too much power to the ground. If the track can't hold it, you'd better be paying attention because things can happen in the blink of an eye...

Thanks again for sharing the pics and info.

Mike
Presently - 1980 KZ1000B4 LTD w/mild ported head, Megacycle cams, 1015cc Wiseco, Falicon Supercrank, R&D undercut trans
In a former life - KZ-based dragbike - CrMo car tire chassis, 1395cc, Hahn Racecraft turbo system, VP C16, Orient Express 3-spd auto, 7.80's @ 165-170.

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Re: Dragbike Engine

29 Apr 2019 04:49
#802972
Thanks Mike. Is that you and your bike in your avatar? Please tell me a little about your turbo.

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  • Dragbike_Mike
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Re: Dragbike Engine

29 Apr 2019 13:20
#803009
sparcuser wrote: Thanks Mike. Is that you and your bike in your avatar? Please tell me a little about your turbo.

Hey Curtiss - yes, that would be me, in the avatar, riding the "Tangerine Dream" at Raceway Park in Englishtown, NJ, circa 1999. I'm trying to compile and scan some pics so that I can put together a very detailed post for the forum - figure that at least a couple of members would like to know about the bike. Look for it in the very near future. In the meantime, here's a few pics -

Mike

Presently - 1980 KZ1000B4 LTD w/mild ported head, Megacycle cams, 1015cc Wiseco, Falicon Supercrank, R&D undercut trans
In a former life - KZ-based dragbike - CrMo car tire chassis, 1395cc, Hahn Racecraft turbo system, VP C16, Orient Express 3-spd auto, 7.80's @ 165-170.

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Re: Dragbike Engine

29 Apr 2019 18:29
#803055
Thanks for the pics. Great looking bike. Do you still race?

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  • Dragbike_Mike
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Re: Dragbike Engine

30 Apr 2019 13:52
#803112
sparcuser wrote: Thanks for the pics. Great looking bike. Do you still race?

Thanks, a lot of work went into building it, as you can imagine. And, I no longer race. My racing career lasted from 1988 - 2001. My "home" track, if you will, was Island Dragway in Great Meadows, NJ. And, I really enjoyed running Atco and Englishtown (RIP) along with the Prostar races which ranged from Gainesville, FL to Epping, NH to Indy. A lot of hard work and some great memories, for sure....

Mike
Presently - 1980 KZ1000B4 LTD w/mild ported head, Megacycle cams, 1015cc Wiseco, Falicon Supercrank, R&D undercut trans
In a former life - KZ-based dragbike - CrMo car tire chassis, 1395cc, Hahn Racecraft turbo system, VP C16, Orient Express 3-spd auto, 7.80's @ 165-170.

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