machine shop for head porting

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15 Dec 2010 12:52 #417064 by mi z1
machine shop for head porting was created by mi z1
looking for machine shop to do port work on j head for z1 can anyone help

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  • andy9802gt
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  • If it tastes that good, eat it yourself.
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15 Dec 2010 12:55 #417065 by andy9802gt
Replied by andy9802gt on topic machine shop for head porting
Cavanaugh Racing. That's where mine is.
'78 KZ1075 LTD
stage 1 head by Larry Cavanaugh
race built crank by John Pearson
Mikuni rs34's
k410 cams
back cut tranny
8" over D&G swinger
proving once again that age and treachery is better than youth and enthusiasm

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  • kz1k
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15 Dec 2010 12:58 - 15 Dec 2010 12:59 #417066 by kz1k
Replied by kz1k on topic machine shop for head porting
id send mine to larry too,(super nice guy), but down here in the south its easier to get it to pit stop performance.
1978 KZ1000A2

"JUST IN! A MAN WHO HOLDS THE WORLD RECORD FOR USING THE MOST DRUGS DIES TODAY. HE WAS WAS ATTACKED BY A PACK OF WILD DOGS HE THOUGHT HE SAW"

WHY FART AND WASTE IT, WHEN YOU CAN BURP AND TASTE IT?
Last edit: 15 Dec 2010 12:59 by kz1k.

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  • DoubleDub
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15 Dec 2010 16:12 #417106 by DoubleDub
Replied by DoubleDub on topic machine shop for head porting
Larry Cavanaugh, Pitstop Performance, and APE are all forum sponsors and all do porting.

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  • stonemaster
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15 Dec 2010 16:22 #417113 by stonemaster
Replied by stonemaster on topic machine shop for head porting
Im in the south and mine went to Larry, ever heard of UPS, cost 20 bucks duh, he's #1 in anyone's book

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15 Dec 2010 16:35 #417120 by Jack
Replied by Jack on topic machine shop for head porting
Just a quick heads up - using the J head on a Z1/KZ bottom involves a lot more than porting the head. There's a ton of info. on this site and www.aperaceparts.com about the conversion. Do a search and you'll see.

Don't want to speak for anyone but if you contact Larry I'm sure you'll get help with the overall combo and the cost of what you want.
79 KZ 1075 MKll
79 KZ 1500 MKll dragbike
Gone but not forgotten:
3 X 73 Z1's
1 X 74 Z1A
1 X 75 Z1B

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  • muddy1
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  • 1980 Kz1000 LTD B4
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15 Dec 2010 16:52 #417125 by muddy1
Replied by muddy1 on topic machine shop for head porting
Contact Larry C..... he posted a cutoff date for work/jobs, you will not be dissapointed, very nice person (really helped me out a bunch)

Dave

muddy1
1970 SL-70
1972 CB 750
1973 Z1
1976 YZ 125
1976 KZ400
1979 KZ400 LTD
1980 KZ1000 LTD B4
1984 YZ 490
1989 750 Ninja

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  • larrycavan
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20 Dec 2010 06:24 #417861 by larrycavan
Replied by larrycavan on topic machine shop for head porting
mi z1 wrote:

looking for machine shop to do port work on j head for z1 can anyone help


You need a spacer and J pistons, top idler and jig for drilling the head.

Compression loss if you use KZ pistons. Much more cost effective to use the KZ head if the motor is a 1075 or smaller.

www.flowbenchtech.com/porting/CRH/kz-data.htm

JMO

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  • kz1k
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20 Dec 2010 07:15 - 20 Dec 2010 07:16 #417864 by kz1k
Replied by kz1k on topic machine shop for head porting
stonemaster wrote:

Im in the south and mine went to Larry, ever heard of UPS, cost 20 bucks duh, he's #1 in anyone's book

wow 20 bucks to ship a head to larry? cost me more than that to ship my head 2 hours away. i need to use ups instead of usps.
where about in the south are you? south penn?
1978 KZ1000A2

"JUST IN! A MAN WHO HOLDS THE WORLD RECORD FOR USING THE MOST DRUGS DIES TODAY. HE WAS WAS ATTACKED BY A PACK OF WILD DOGS HE THOUGHT HE SAW"

WHY FART AND WASTE IT, WHEN YOU CAN BURP AND TASTE IT?
Last edit: 20 Dec 2010 07:16 by kz1k.

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  • stonemaster
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20 Dec 2010 12:01 - 20 Dec 2010 12:01 #417891 by stonemaster
Replied by stonemaster on topic machine shop for head porting
NC actually 24 bucks, I heard Fed Ex is even better
Last edit: 20 Dec 2010 12:01 by stonemaster.

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  • kz1k
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20 Dec 2010 12:36 #417897 by kz1k
Replied by kz1k on topic machine shop for head porting
stonemaster wrote:

NC actually 24 bucks, I heard Fed Ex is even better

wow, usps charged me about 40 bucks to send my head to orlando, and im about 1.5 - 2 hours away. i may be sending my block to larry.
1978 KZ1000A2

"JUST IN! A MAN WHO HOLDS THE WORLD RECORD FOR USING THE MOST DRUGS DIES TODAY. HE WAS WAS ATTACKED BY A PACK OF WILD DOGS HE THOUGHT HE SAW"

WHY FART AND WASTE IT, WHEN YOU CAN BURP AND TASTE IT?

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  • andy9802gt
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  • If it tastes that good, eat it yourself.
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20 Dec 2010 12:56 #417901 by andy9802gt
Replied by andy9802gt on topic machine shop for head porting
UPS cost me $40 from NE Indiana to Larry
'78 KZ1075 LTD
stage 1 head by Larry Cavanaugh
race built crank by John Pearson
Mikuni rs34's
k410 cams
back cut tranny
8" over D&G swinger
proving once again that age and treachery is better than youth and enthusiasm

Please Log in or Create an account to join the conversation.

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