cubcadet70
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« on: July 27, 2012, 06:03:25 PM » |
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Post some feedbacks about these engines! Worth it or not? I asked in another tread while back about the 390cc ones but they are no longer available! So post away!!!
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big jerm
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« Reply #1 on: July 27, 2012, 10:11:28 PM » |
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I saw this on a mower at tractor supply this week
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Jeremy Shrouder
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cubcadet70
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« Reply #2 on: July 27, 2012, 10:20:20 PM » |
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Interesting.... Wonder if any GX390 performance parts will fit these things? Would be good for the mower racers!
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heymow.com - Lawn Mower Racing Forum
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« Reply #2 on: July 27, 2012, 10:20:20 PM » |
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Ron Atchison/A.C.E. Race Engines
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A.C.E. race engines
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« Reply #3 on: July 27, 2012, 10:22:59 PM » |
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Interesting.... Wonder if any GX390 performance parts will fit these things? Would be good for the mower racers!
The flywheel, heads, cranks and cams on most will interchange although, some of them wont. BlueMax parts will for sure. |
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home of A.C.E. the race engines \"building winning race engines..one at a time\" da.racing@hotmail.com 618-780-8798 |
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coreylewellen
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« Reply #4 on: July 29, 2012, 08:33:12 AM » |
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So far its been an awsome engine new cam flywheel valves and push rods springs and connecting rod left balancing wheight in turning it about 7 grand. Ive only ran it about 6 hours but it runs consistantly. Only thing that i am having problems with is the stock carb. My fuel pump will over ride the float and dump fuel. Havent had a drop of oil in my puke tank. I would recomend this engine to anyone who wants to run a horizontal engine I bought all of the components from affordable go karts
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what do you mean it doesn't fit, did you use the hammer?
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Mayhem#8
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« Reply #5 on: August 01, 2012, 10:58:14 PM » |
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I have the 420 preditor engine, it ran good for a while but the weak point is the rod my rebuild has a arc rod in it and is flawless now. My advice is if you get one change the rod out.
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trukman
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« Reply #6 on: August 10, 2012, 09:30:29 AM » |
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Where did you get the rod.
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Cromwell C4
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« Reply #7 on: August 10, 2012, 12:56:50 PM » |
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Where did you get the rod.
ARC racing. They sell a stock length billet rod. You can use the stock piston, or Parsons Racing Supply sells aftermarket pistons in flat top or dome dop with valve reliefs. Mike Clements sells a .500" longer billet rod/ arias piston combo that works well. Just a little expensive |
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Tyler Cromwell - Cromwell Racing Engines and Chassis, specializing in Briggs and Stratton Vanguard and Kohler Command V-twin engines, from mild to wild!
Races won by drivers using Cromwell Racing Engines & Parts:
2011 USLMRA BP National Points Champion
2010 All American BP/ Super Sportsman Champion
2010 All American Super Mod Single Champion
2009 ARMA Super Modified Twin National Points Champion
2009 All American Fastest Qualifying Time
2009 All American Fastest Lap of the Weekend
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Darkviper
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« Reply #8 on: August 10, 2012, 01:03:51 PM » |
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Is that 420cc predator even legal to use in lawn mower racing. The one they sell at Harbor Freight.
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Jonathon Kaup
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cycloneracer
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« Reply #9 on: August 10, 2012, 02:04:19 PM » |
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Is that 420cc predator even legal to use in lawn mower racing. The one they sell at Harbor Freight.
Not in FX. It is too big.
Sorry. It is legal. 465cc max. Thought it was under 400. |
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Paul Krueger
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trukman
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« Reply #10 on: August 17, 2012, 10:27:21 AM » |
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Where can i get Gaskets for a 420 HF. Need a head gasket.
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Jim Knutson
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i didnt break it......i modified it!
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« Reply #11 on: August 17, 2012, 10:53:49 AM » |
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not sure on the 420cc, but for the 390cc you can use clone, or honda gaskets.
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Jim Knutson
2009 o.l.m.r.a. mod-x points champion
2010 o.l.m.r.a. mod-x points champion
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mount hood lawnmower racing
PACE MOWERSPORTS
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Sherman Underwood
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« Reply #12 on: February 19, 2013, 05:38:03 PM » |
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Where can i get Gaskets for a 420 HF. Need a head gasket.
LCT liquid combustion technology.....they make that motor for HF.... there web is www.lctusa.com |
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Owner of Albemarle Power Equipment LLC & A.P.E. Motorsports
we are located @ 1472 Northside rd Elizabeth City NC 27909 stop on by..!!!!
I'm a Briggs & Kolher Master tech....mower mechanic for 18 plus years...!!!!
Thanks, Sherman @ 252-312-9615
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