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Topics - Ace726

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We are a small group of racers (about 20) based out of The Burnout Bar and Grill in Milliken, Colorado. The bar has an 1/8th mile dirt oval on the side and this is where most of our races are. We have a full series points system FOR RMLRA ONLY, which is for bragging rights and trophies at the end of the season.

The classes are Stock, Mini Modified, Mini Racer, Modified, Super Modified and FX.

NOTE: The Mini Racer class is unique to RMLRA because it is coordinated and sponsored by Thunderspeed RPM Racing (team of 6 with 4 racers) of Lochbuie, CO
           Information on this class will not be found in the rules below, but on our Facebook Page at

We also get together with county and city fair coordinators in the area to put on races at their events. More information on the exact location for any special event races will be posted as they get closer.

Our rules are based on Stabil but have been adapted by Dan, the group's founder, to accomodate and attract more people because we are located in rural area.

Here is the 2017 RMLRA schedule. I will upload a copy of the rules and tech afterwards.

*S indicates a special event, points are still earned in these races

-May 7th               Test and Tune Track Day @ Burnout Bar and Grill (Milliken)      2pm

-May 21st              Series Opener @ Burnout Bar and Grill (Milliken)                     2pm

-June 11th             Series Race @ Burnout Bar and Grill (Milliken)                         2pm

-July 4th (*S)         Independence Day Race Event @ Wellington, CO                  11am

-July 9th                 Series Race @ Burnout Bar and Grill (Milliken)                        2pm

-August 4th (*S)    Kersey Night Race @ Kersey, CO                                            6pm
                                   Pits open at 3pm
-August 5th (*S)    Ault Fall Festival Race @ Ault, CO                                            Time is TBD

-August 13th         Series Race @  Burnout Bar and Grill (Milliken)                         2pm

-September 10th   Series Final Race @  Burnout Bar and Grill (Milliken)                2pm

-October 8th          Challenge Race Day @  Burnout Bar and Grill (Milliken)           2pm
                                    NO POINTS

Following the races on Oct. 8th will be the trophy/ awards ceremony
  Challenge Race is an open challenge, head to head
race day where anyone can challenge (or bet) any
other racer in ANY class. Cross class challenges will have
a lap handicap based on race racers initial qualifying time.

Briggs Flathead / 18hp Oppy running Alky (engine, intake and ignition)
« on: February 28, 2017, 05:52:52 pm »
So I'm partway through building my oppy to run alcohol and I've found myself questioning some of the expenses on certain components if they are absolutely necessary.
First off im not going cheap on the build, I just want to be sure I'm justified in every expense. I already have the Arc rods, and Im ordering mod 28 pistons, wrist pins this friday. Arc billet flywheel is on the list. I am using an MSD ignition/coils with an Tillotson HL-360D Carb and custom intake (for the side draft conversion).
My questionable items are not so much major break points but more a question of performance. I'm on a bit of a time crunch as our test/tune track day is May 7th.  The biggest thing is the cam, I can see how much of an improvement the different lift would be but is it needed? has anyone every lobed or broke the stock cam? If I get a cam it'll be about 250 shipped and I'll end up reinforcing the rest of the valvetrain on it, I.E. bronze valve guides, Stainless valves stock size, stronger valve springs and billet keepers not to mention the addition machine cost if the heads need relief cuts. I believe the lift on the new cam would be around .360. I know it'll be a big power difference but how strong is the stock cam?

P.S. this is NOT just a cam thread, it's for the engine build. more questions to come as it progresses.

Post Your Video / Colorado Racing Vids
« on: October 14, 2016, 09:46:16 am »

Post your Pics! / 2017 Builds and Projects
« on: October 14, 2016, 09:18:30 am »
Old Murray Built for FX/T with Briggs 18hp Opp. Twin and peerless 5 speed, single belt. 1/8th mile lap in 16.31 sec.

Got sponsored for a few special event races, (county fair, demo derby gigs)

NOTE: not to spec for FX, Rocky Mountain Lawn Mower Racing has adapted rules and tech including an outlaw class up to 1000cc.  :woo:

Mower built by the Thunderspeed RPM Racing Team

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