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Messages - Cromwell C4

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1
Briggs OHV & Vanguard / Re: 38 vangaurd stock bore size?
« on: September 07, 2016, 11:01:01 am »
One block has 38 stamped on top and other doesn't . The 38 block has 1.380 top bearing and the other block has 1.150 top journal bearing, aren't all the 30/35/38 crank journals the same on verticals?

All the engines with date code 1996 and earlier have the smaller crank journal on the flywheel side. They changed to the larger journal cranks with the bearing in the date code 1997 engines and later. They only made 30 and 35ci engines with the small journal that i am aware of. I've never came across a factory 38ci with the small journal. Also, if it has the center breather cover that bolts into the block between the cylinders, its a 35ci or under. The 38ci engines did not have it.

2
Briggs OHV & Vanguard / Re: 38 vangaurd stock bore size?
« on: September 07, 2016, 10:54:49 am »
I had custom JE forged flat top racing pistons with pro seal rings made in different bore sizes, and I had ARC custom make me some long rods to match the pistons with the .669" wrist pin. If you want more info or pricing, give me a call.

3
Briggs OHV & Vanguard / Re: 38 vangaurd stock bore size?
« on: September 06, 2016, 02:14:00 pm »
The stock 38ci bore size is 2.972" and i take them up to 3.032" with the stock sleeves. You can go up to 3.150" if you want to bore and re-sleeve the block.

4
Coffee Shop / Re: Rumor with Bumper Rules
« on: December 18, 2015, 06:57:28 pm »
The problem isn't the front bumpers, and never has been. The problem is the drivers who use them to make a pass and/or track officials who don't use the black flag like they should. It doesn't matter if it's a buddy, a family member, or even a staff member. If someone drives out of line put them out of the race. No excuses or warnings.  That being said, the super mod mowers are fast, and there is always going to be some contact. That's just part of racing. Accidents are going to happen. The front bumpers help protect the hood and critical front end components, as well as keep down tire contact from the rear bumpers that could send a machine airborne.

5
Briggs OHV & Vanguard / Re: 23hp vanguard pistons
« on: November 03, 2015, 07:49:42 pm »
I have some custom billet rods and big JE forged flat top pistons available. The biggest i've ran using the stock sleeves is 3.051" and i have ran a 3.150" with aftermarket sleeves.

6
Coffee Shop / Re: Parsons racing
« on: September 04, 2015, 05:47:34 pm »
He is actually still in business, but no longer with Parsons Racing Supply.  Bullfrog Motorsports is his new company. He is still working on his new website, so send an email to get in touch with him and tell him i sent ya. 

http://www.bullfrogmotosport.com/

7
Coffee Shop / Re: Kart chassis
« on: August 13, 2015, 10:40:40 am »
At the end of the day there is nothing stopping you from tacking some murry frame rails to a kart frame and calling it a lawn mower.  In my opinion killing lawn mower racing.

It's no worse than guys building their own frames from scratch using square tubing and not using a mower frame at all. And most kart chassis' are designed around a rear mounted engine and built to have a certain amount of flex. Taking a good handling kart chassis and completely changing it to work as a mower frame would defeat the purpose of even using it. Better to just take the parts off and build one.

8
You can use the vertical crankshaft in a horizontal. The output shaft will just be a little longer than it would be if using the horizontal crank. The side cover on the horizontal is thinner than the vertical pan.

9
Ok so I asked.  Our rules are all over the place.  They said when it comes down to it, you can do anything you want to the motor other than add aluminum parts. 

10
Briggs OHV & Vanguard / Re: 25 hp Intek twin
« on: July 08, 2015, 11:23:46 pm »
Take that part number Paul gave you and go to Equipatron's website or give them a call. Very good prices and awesome service.

11
Coffee Shop / Re: Fuel question
« on: June 25, 2015, 04:19:12 pm »
As longs as it is pump gas and available for anyone to purchase, you can use it. Some local clubs have their own set of rules and don't even allow race fuel, while others will allow you to run methanol.

12
Coffee Shop / Re: Fuel question
« on: June 25, 2015, 03:55:40 am »
Since you mentioned the FXT class, i assume you are talking about the USLMRA. If you will read the entire rule book, it very clearly states the rules on fuel under general mower requirements (which apply to all classes).

FUEL and FUEL DELIVERY

"The only acceptable fuel is pump gasoline. Fuel must be pumped fuel bought at Service stations, example SUNOCO racing fuel or VP Racing Fuel sold at Marathon Service stations. Additives, other than STABIL Fuel Stabilizer are prohibited. Any apparatus other than the carburetor which can be used to introduce any gaseous or liquid substance into the induction flow, whether connected or not, is prohibited, and will result in disqualification. Such devices include, but are not limited to, Nitrous Oxide, alcohol or water injection systems, turbo or superchargers, and/or the attendant hardware consistent with these systems. Any attempt to conceal or disguise such apparatus will be considered a flagrant violation and may result in expulsion from the USLMRA."

13
Coffee Shop / Re: Questionable "internal" engine modifications.
« on: June 10, 2015, 04:35:05 pm »
Al, you're wrong! I do this stuff to get away from family. By the same, the Mrs. gets away from me, too!

Bert
Bert has a good point. Going to the races and getting away for a while (so family members don't hurt or kill each other) can be a good thing. But i guess that would still make mower racing a "family" sport.  :lol:

14
Kohler Engines / Re: Kohler command single parts
« on: June 09, 2015, 12:21:51 pm »
Wayne, give me a call. 8)

15
Coffee Shop / Re: Questionable "internal" engine modifications.
« on: June 06, 2015, 04:28:12 pm »


The FX classes aren't cheap to build or run.  I remember not to long ago everyone wanted the FX classes to be unlimited.  Now we want limits.  


Paul, you are right on the money. The FX classes (super mods) were never meant for rookies, new drivers, or the inexperienced builders. But somehow there are new guys getting right into this class.... The class was added to be an open type class, breaking the mold for the veteran racers and experienced builders. But now guys are trying to make the class "affordable" so everyone can race in it. People should go race a governed class or a prepared class if they are on a tight budget. No one has made anyone build an FX class machine, it's people wanting what they can't have or afford which is the good ol' American way these days!

The future of mower racing will ride on getting families and kids back into racing, and running the tracks and events with no politics. This means enforcing the same rules and regulations on everyone regardless of who you are, track official or president or whatever.

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