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All Forums >> RC Cars, Buggies, Trucks, Tanks and more >> RC Car Engines >> Car Nitro & Gas Engines >> New engine problem Page: [1]

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New engine problem - 7/7/2008 6:56:52 PM   
digital_cop


 

Posts: 1
Joined: 7/7/2008
From: , UNITED KINGDOM
Status: offline 		Hello All,

I put a new 25 engine in a second hand XTM mammoth today. Problem is it seems very tight when pulling the pull start. It did fire a couple of times but never started. I assume there will be some tightness on a new motor but this seems a little excessive, any ideas???

Thanks
       Post #: 1

RE: New engine problem - 7/7/2008 7:19:10 PM   
Colt4g63


 

Posts: 237
Joined: 4/30/2005
From: New Albany, IN, USA
Status: offline 		Take a heat gun or a blow dryer to the head and heat it up to about 200 degrees. This will cause the internals to expand and it will be much easier to turn over/start. You will want to do this for quite a few tanks as its easier to get started and easier on the piston and rod during break-in as well.

_____________________________

Adam Blevins, Owner & Operator of AB Mods
X-Dyno equipped

(in reply to digital_cop)
       Post #: 2

RE: New engine problem - 7/7/2008 9:17:00 PM   
supermod


 

Posts: 125
Joined: 8/6/2007
From: lisbon falls, ME, USA
Status: offline 		thats called alot of pinch

_____________________________

raze .28rr,17t,jp-2,spiral diffs,lightened cups/o.s .30vg modded/hyper 7 .21 8p,nothin but OD plugs and fule!

(in reply to Colt4g63)
       Post #: 3

RE: New engine problem - 7/8/2008 4:42:16 AM   
*FULL-REVS*


 

Posts: 195
Joined: 11/12/2007
From: , NEW ZEALAND
Status: offline 		pinch is good

(in reply to supermod)
       Post #: 4

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All Forums >> RC Cars, Buggies, Trucks, Tanks and more >> RC Car Engines >> Car Nitro & Gas Engines >> New engine problem
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