Port and Polish 84 Gl 1200 heads - Page 2 - Steve Saunders Goldwing Forums

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post #11 of 22 (permalink) Old 06-05-2017, 01:27 PM
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post #12 of 22 (permalink) Old 06-06-2017, 04:14 PM
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Funny but my 82 1100 was screaming for me to get off the throttle at around 6500 RPM or so. 11000 ? Don't think I could stand the noise! LOL Must be a clean machine.
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post #13 of 22 (permalink) Old 06-06-2017, 05:01 PM
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Well it certainly surprised me the first time it ran past 10000,it doesn't seem to be working hard but of course that senerio wasent an everyday thing but I did have another exhaust I built for it,the whole bike was less than 500 pounds.i suspect the exhaust was the key to the performance.
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post #14 of 22 (permalink) Old 06-06-2017, 05:07 PM
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I did build another exhaust for it,from a Suzuki GSX1000 and that's when it came alive.It would do power wheelies but it would scare the crap out of me at over 100, for some reason it didn't care for high speed.
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Love chasing white lines but they are difficult to catch.Hate drivers with no STOPLIGHTS.

1968 Kawasaki Avenger
1969 H1 Kawasaki
1975 1000
1985 LTD
1982 1100,STANDARD
1991 ST 1100
1991 SE Goldwing.
1995 BMW R 1100RS

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post #15 of 22 (permalink) Old 06-07-2017, 06:11 AM Thread Starter
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Pure Texas that sounds like you had a lot of fun building and riding that one! I think what I am going to do is polish the casting marks out of the ports,cc all of them and port match them. Basically try to clean up what is there!
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post #16 of 22 (permalink) Old 06-07-2017, 06:30 AM
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Yep that's all i did,from my racing days I know if there is any mismatched areas in the fuel flow system then cleaning it up helps but then we were working on 2 stroke motors and every little bit helped.

Love chasing white lines but they are difficult to catch.Hate drivers with no STOPLIGHTS.

1968 Kawasaki Avenger
1969 H1 Kawasaki
1975 1000
1985 LTD
1982 1100,STANDARD
1991 ST 1100
1991 SE Goldwing.
1995 BMW R 1100RS
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post #17 of 22 (permalink) Old 03-14-2019, 09:54 PM
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Shortly after I got back into Gold Wings again after a long and boring marriage and I picked up a 80 GL1100 I was to a bike show. A vendor had all sorts of stuff on display for HD's. I asked him if he had any soup up stuff for GL's. He took me aside and asked, have you ever raced anyone and lost? I said no have not raced anyone. He says, we used to try various things when the GL's first hit the streets. Nothing much other than a super charger really helped. He said they are strong running and go like hell the way they are, don't mess with it! Just sold it last fall. Now I have another. Don't know why, guess i need a "toy" to play with???
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post #18 of 22 (permalink) Old 03-17-2019, 12:48 PM
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All I ever did to mine was run some steel wool around a circular wire brush on my drill to smooth the intake tubes, and add a K&N air filter. I get awesome low end torque but always did. I wouldnt mess with the heads. I run my Goldwing hard really hard, if your going to run hard make sure you change your timing belts.

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post #19 of 22 (permalink) Old 03-17-2019, 02:33 PM
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I remember a conversation with the owner of my local performance engine shop when I took my 1100 heads in for rebuild a few years ago.


Tim: Would you like me to polish and port them for you?
Me: Man, it's only an 80 horse power motor.
Tim: I can make it a hundred!


I turned it down, cos I thought he was most likely exaggerating and I was on a budget at the time anyway, but who knows? He might've had some tricks up his sleeve.

For what it's worth and if I may be so bold? The current rebuild of the `80, `81, `82 & `83 GL1100STDASPENSTATE can be followed on classicgoldwings.com in a thread called "The plan is to turn 140,000 into 50,000."

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post #20 of 22 (permalink) Old 03-17-2019, 06:37 PM
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Originally Posted by chilidawg View Post
I remember a conversation with the owner of my local performance engine shop when I took my 1100 heads in for rebuild a few years ago.


Tim: Would you like me to polish and port them for you?
Me: Man, it's only an 80 horse power motor.
Tim: I can make it a hundred!


I turned it down, cos I thought he was most likely exaggerating and I was on a budget at the time anyway, but who knows? He might've had some tricks up his sleeve.
I have serious doubts a port and polish would produce a 25% gain.
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