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Briggs Intek 206 speed secrets

 
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Marty Redmon



Joined: 10 Mar 2010
Posts: 2

PostPosted: Fri Mar 12, 2010 3:25 pm    Post subject: Briggs Intek 206 speed secrets Reply with quote

We just moved to an Intek class, all stock no motor modifications, just looking for a few speed secrets to get us in the hunt. i think max rpm's we are at is 5600.
I bought the motor and found exhaust valve slightly leaking, so i lapped the valves, seems to be a little better and pulls a little over 30 psi compression.

Help please.
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John Matthews



Joined: 04 Dec 2004
Posts: 2013
Location: United States, Michigan, Williamsburg

PostPosted: Sat Mar 13, 2010 7:43 am    Post subject: Reply with quote

Tires.
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John Matthews
Heartbeat Power, LLC.
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Rich Eisgruber



Joined: 23 Aug 2001
Posts: 474

PostPosted: Sat Mar 13, 2010 12:34 pm    Post subject: Reply with quote

John Matthews wrote:
Tires.

And chassis setup. Smooth is fast
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Chad Stapleton



Joined: 19 Jul 2001
Posts: 4403

PostPosted: Sat Mar 13, 2010 4:04 pm    Post subject: Re: Briggs Intek 206 speed secrets Reply with quote

Marty Redmon wrote:

I bought the motor and found exhaust valve slightly leaking, so i lapped the valves, seems to be a little better and pulls a little over 30 psi compression.

Help please.


You need a LOT more than 30 psi . ! ( 150+ psi)
How are you checking it ?
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"Those of you who think you know everything are annoying to those of us who do !!"
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Marty Redmon



Joined: 10 Mar 2010
Posts: 2

PostPosted: Sun Mar 14, 2010 9:08 am    Post subject: Reply with quote

Checked with a compression gauge and pulling the crank rope 3 to 4 times, i will try a leak down this week.

we struggled again last nite but with some local help improved a great deal with just setup and running the correct line. i think we are on the right track and can start searching for some speed with gearing and carburation, and ever so important seat time.
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Chad Stapleton



Joined: 19 Jul 2001
Posts: 4403

PostPosted: Sun Mar 14, 2010 4:30 pm    Post subject: Reply with quote

I suspect you have a motor with a "decompression" easystart feature that lifts the exhaust valve when you pull it over.
Drop the rocker off the exh valve , and try again.
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