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Author Topic:   motor position
hamer
Member
posted January 14, 2001 08:58 PM
I've seen chassis advertising motor 2" to right and some 2" to left. Also centered. What does everyone feel is the best location of the motor in a dirt mod? Thanks hamer


jammin
Administrator
posted January 14, 2001 09:19 PM
hamer...it depends on the type tracks your running and your preference to roll. It really depends on how much or little you want to roll to set the car. If you put the motor 2" to the right....it will have the weight already on the outside of the car and will not have to transfer it....just like lead..if you want to have to transfer the weight, then you put it on the opposite side....it's all preference.

jammin



hamer
Member
posted January 15, 2001 07:20 PM
thanks jammin...that's kinda what i was thinking. What offsets do some "big" chassis guys build in? ie. Harris, Dirtworks, Jet, hot etc. Thanks



jammin
Administrator
posted January 15, 2001 08:24 PM
Well...depending on the tracks around the builder, most of the time, this is what is going to make them build as they would. I know Hot Chassis down here in LA builds theirs with 2" to the right....they roll like crazy...metric stubbed cars. I have run against some of them.....not much left rear one the ground. I think Harris, DirtWorks and Shaw all build theirs accordingly, but most just build them straight up so that they can just make the car do what they want it to do with a little manipulation.

If you were to move the motor to the left, then you get into an asphalt category and I do not think you would get enough RR bite to ever set the car. Just my opinions.

jammin


garyg1
Member
posted January 15, 2001 09:44 PM
we build our metric dirt car with engine 5/8" to left of center, 100 lb front spring split and start with both front weights equal on scales or up to 25 lbs. lf heavy. Engine will probably work most anywhere as long as you adjust the spring split and static weight accordingly. Front end really plants itself with our setup. We do all our at track adjusting on rear end of car until neutral is found and we are ready to race. Have to really do something stupid before it will go into a push condition on dry or wet tracks.


CUSTOMPERFORMANCE
Member
posted January 15, 2001 09:56 PM
harris is 5/8 to the left, most dirtworks i have helped work on are 2 inches to the right. i have always built mine centered but this year i am trying the engines to the right 1-2 inches.


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