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USLMRA Races / 2020 USLMRA Membership
« Last post by mrmowitall on Yesterday at 04:14:21 PM »

http://letsmow.com/get-involved/join-now/


USLMRA Membership Application

Attention Racers!

If you are having difficulties registering online for USLMRA membership, please contact the USLMRA office at 251-645-2942.
The USLMRA will be able to assist you with online registration via phone.

Please DO NOT REGISTER multiple times, as your credit card is charged each time you enter your account number.

Your annual membership is valid from Labor Day to Labor Day.
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Mower Engines & Parts / 38 Vanguard stuff
« Last post by ajm57 on November 10, 2019, 07:13:22 PM »
I have a 38 vertical block and crank with roller bearing base.
Block ix in decent shape. Should be bored. Also have brand new rocket ron long rods and je short skirt pistons and rings
This combo can make great power.
Package price 280.  Buyer pays shipping.
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Briggs OHV & Vanguard / Re: I need a Briggs 33 crank balanced
« Last post by tnelson on November 10, 2019, 03:58:27 PM »
He still does work. Had him do parts for me the last two years.
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That's a good idea.
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Copper gaskets unlimited has gaskets for the opposed. You could take out the inner springs on the EC springs to make the spring pressure a little more mild.
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A supercharged Oppy? The rods won't take that kind of boost. Do you realize that's kind of a fragile engine? I'm not saying don't try it, more power to you but it is going to need lots of TLC. There are better engines to make power. With that said copper gaskets installed correctly should hold, should be available at EC carb.
RPM's good question, the stock cam will sign off between 3,000 and 3,400, maybe lower.
45 pound springs are a little heavy but will work.
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Briggs Flathead / Super charged 42CI opposed. Valve springs, head gaskets, ect...
« Last post by mr.modified on November 05, 2019, 08:09:34 PM »
I'm building a 42CI horizontal shaft opposed for an off road tractor. The plan is to use an AMR300 supercharger at about 10psi boost. It seems like maybe not as many people are racing these engines anymore and parts supplies are cutting back a bit. Although ARC still has rods and flywheels. I have two main questions:

1) I found on here that EC carbs has some heavier valve springs #260. They are listed at 45lbs installed and 115lbs at .575". I was just wondering what the stock briggs valve springs are rated at? I plan on running a stock cam so that should be nice and easy on things, but still I don't know what's really aggressive and what's not. I don't want to wear everything out right away if I don't have to. Anyone know what kind of RPM you can get with the EC carbs springs with stock valves?

2) Does anyone know if there is anyone who still has copper head gaskets for the opposed? I'm a bit worried about using stock head gaskets with the supercharger, even though 10psi should be fairly mild from what I can tell. I would think copper ones would be more reliable and would prefer something better than the stock ones if I can get them.

Thanks for any info, -Don
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Chassis / Re: John Deere STX 30 Build or not to build?
« Last post by SlowmowStx30 on November 04, 2019, 08:36:39 PM »
I am currently building an stx 30 but I am cutting the frame rails out and making my own si I can basically remove the body panel whenever I want and I also plan to make it two inches longer to try helping the handling of the mower.
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Briggs OHV & Vanguard / Re: I need a Briggs 33 crank balanced
« Last post by nic_hayes on November 01, 2019, 07:17:32 PM »
I'm not for sure but I think he is . Need to message him on fb or call to find out. I've always had great luck with Don. I have one of his cranks in my 33 right now.
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Briggs OHV & Vanguard / Re: I need a Briggs 33 crank balanced
« Last post by BIG AL 202 on October 24, 2019, 10:41:14 AM »
Is Don still doing work? Last I heard he was having a hard time getting stuff done and shipped. But that was a while ago. By the way his work was not in question just the time.
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