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High Performance Bicycle Engine Tips We all want our bicycle engines to push our bikes faster. Get exclusive engine modification tips and suggestions from us.

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  #1  
Old 07-13-2009, 03:15 PM
bodydropped bodydropped is offline
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Default slant head
i just ordered a 80cc slant head from zoombicycles. i was reading about it on here and i want to try it for myself.
my question is i have read that people have used multiple gaskets for clearance issues if they have them. to me that makes me think this would defeat the purpose of the head.
it is suppose to bump the compression up a little but if i use extra gaskets wouldnt that lower the compression and put it right back where it was from the start and all i would have is a angled plug?
i read someone used 2 head gaskets or reccomended that. strange right?
any tips on this install would be greatly appreciated...thanks
Last edited by bodydropped; 07-13-2009 at 03:17 PM.
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  #2  
Old 07-13-2009, 04:08 PM
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Hot Wheels Hot Wheels is offline
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Default Re: slant head
I got the slant head it's great the way it is. I upgraded the carb and exhaust. I can easily hit 40mph
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Old 07-13-2009, 04:57 PM
bodydropped bodydropped is offline
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Default Re: slant head
Quote:
Originally Posted by Hot Wheels View Post
I got the slant head it's great the way it is. I upgraded the carb and exhaust. I can easily hit 40mph

did you have any clearance issues or did you need to run double gaskets?
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Old 07-14-2009, 08:01 AM
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Default Re: slant head
no. I have had no problems.
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Old 07-14-2009, 08:05 AM
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Bikeguy Joe Bikeguy Joe is offline
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Default Re: slant head
You are right, running two head gaskets on your motorized bicycle engine will defeat the purpose of buying a "high compression" head.
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Old 07-14-2009, 09:42 AM
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Default Re: slant head
My slant head motor kit came dun with two gaskets . I left it that way it did not ping. I had a previous motor I ordered the head for dun with one gasket it pinged . The amount of gained compression from the said slant head is quit a lot! My first engine got a internal vacuum leak [ the casing].
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Old 07-15-2009, 01:10 PM
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Pitchfork311 Pitchfork311 is offline
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Default Re: slant head
I have a slant head, I have a big clearence problem with just one gasket, and even with 2 gaskets I think it still hits the slant head because it seems to lock up the bike and I cant get it started at all. Have not tried 3 yet. Just went back to stock head.
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Old 07-15-2009, 01:36 PM
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Default Re: slant head
I bought the motor with the slant head on it already it only has one gasket.to many gaskets will kill your comp. or you'll get leaks between them.
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Old 07-15-2009, 01:37 PM
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Default Re: slant head
what spark plug are you using?
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Old 07-15-2009, 02:05 PM
bodydropped bodydropped is offline
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Default Re: slant head
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Originally Posted by Hot Wheels View Post
what spark plug are you using?
not sure yet at the moment im running the stock one while i wait for the head to come.
im guessing i need a colder plug right?
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