Hpi Rs4

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cul8ter70

RC Newbie
Messages
8
RC Driving Style
I was wondering what would be a good engine for it don't know if it matters but its not belt driven any help would be great

Thanks
 

NitroHawk

RCNT Member
Messages
38
Location
Buenos Aires, Argentina
RC Driving Style
Bashing, Racing
It all depends on your budget and what you are using it for.

Cheap engines like this won't last long and can be hit or miss when it comes to reliability and power.

You could also get an HPI engine like the ones that came with the rs4 such as this one

Or you can have the more expensive option, an OS engine with great power and durability, very easy to tune.

As I said, it all depends on what you want it for.
 

Phins Fan

Hardcore RCNT User
Messages
2,175
Location
Keeping warm in a fat roll somewhere.
RC Driving Style
Bashing
IMO the HPI 3.0 is a junk motor and best served in a landfill, Nitrohawk did point you in the right direction with OS as they make great and easy to tune engines that are very reliable. Anywhere from a .12 to .15 would serve that car fine. Anything bigger like a .18 or more will probably start breaking other parts on the car because of the excess power they produce
 

cul8ter70

RC Newbie
Messages
8
RC Driving Style
Thanks a lot nitrohawk I have one of those os engines so I'll put that in it now is there anything I'd have to change cause of the more power?
 

NitroHawk

RCNT Member
Messages
38
Location
Buenos Aires, Argentina
RC Driving Style
Bashing, Racing
Which OS engine do you have? Is you RS4 a belt drive model or shaft drive?

You should be ok with a .12-.15 on stock configuration, the .18 can stress the differentials too much, mostly when used on high grip tracks. In other cases the wheels will just break traction and take some load off the diffs so you shouldn't have any problems.
 

cul8ter70

RC Newbie
Messages
8
RC Driving Style
I have the 18cv-r and it does have shaft drive so I would be better off with the .12 or the .15 what brand would be good
 

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