HPI R40 Nitro Car Forum
10-16-2003, 04:14 PM
#676
Tech Elite
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Originally posted by Fisher890
Ok.........
Well I'm done with my research everyone tells me to buy the MTX 3 so I'm going with the R40. Just seems easier to tune and I'm not as much as a perfectionist about small details. After I hit the wall several times I doubt either one of them will run very well anyways so... anything other then the front oneway to buy before I start building it Sat? Lubes ,oils, Loctite, Special tools? Any other hop ups I can't go without before I put it all together?Anything I need to lookout for over tightening or unclear instructions? I'd hate to repeat any mistakes that I might make that everyone else knows about. all input will be greatly appricated! Thx
Ok.........
Well I'm done with my research everyone tells me to buy the MTX 3 so I'm going with the R40. Just seems easier to tune and I'm not as much as a perfectionist about small details. After I hit the wall several times I doubt either one of them will run very well anyways so... anything other then the front oneway to buy before I start building it Sat? Lubes ,oils, Loctite, Special tools? Any other hop ups I can't go without before I put it all together?Anything I need to lookout for over tightening or unclear instructions? I'd hate to repeat any mistakes that I might make that everyone else knows about. all input will be greatly appricated! Thx
I'll tell you one thing...I wacked the boards a few times with my R40..and never had to trim the steering......(l or R)......My tc3,every few times, wouldneed to be re trimmed..
10-16-2003, 05:03 PM
#677
Craig - wait till next season to get the tires. Fresher foam or rubber is always better. Plus some of the manufacturers are coming out with some new stuff so you might get something better or different come the start of next season.
10-16-2003, 05:08 PM
#678
Hey harry
I saw those lightweight motor mounts you posted. Did you get those or was that just something you saw? How much lighter are they and do they help with engine cooling?Or are they just purple.......?
I saw those lightweight motor mounts you posted. Did you get those or was that just something you saw? How much lighter are they and do they help with engine cooling?Or are they just purple.......?
10-16-2003, 06:11 PM
#679
Thats true.. Thanks
10-16-2003, 07:30 PM
#680
Tech Elite
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Originally posted by Fisher890
Hey harry
I saw those lightweight motor mounts you posted. Did you get those or was that just something you saw? How much lighter are they and do they help with engine cooling?Or are they just purple.......?
Hey harry
I saw those lightweight motor mounts you posted. Did you get those or was that just something you saw? How much lighter are they and do they help with engine cooling?Or are they just purple.......?
they are on HPI's japanese web site.....I'm sure they are lighter....
I will get them,if they are available in the US....
OH ..wait a second...no ,more having to give the foreign teams an advantage......
I'll get them quicker than you can say.......UPS.
10-17-2003, 12:56 AM
#681
Fisher,
when I put my R40 together, I installed the thrust bearing for the centax clutch backwards. What happened was I didn't noticed the washers were different, one has a bigger hole than the other. The big hole goes in first toward the engine. I can't remember if the instructions are clear about that.
when I put my R40 together, I installed the thrust bearing for the centax clutch backwards. What happened was I didn't noticed the washers were different, one has a bigger hole than the other. The big hole goes in first toward the engine. I can't remember if the instructions are clear about that.
10-17-2003, 12:54 PM
#682
Great info thx sleeper! I start building in T- 23hrs 30 mins.........
10-17-2003, 11:51 PM
#683
Hi all,
What should i check when the car push to the right when throttle is applied. I rebuilt the rear diff and it runs better for couple laps and start pushing the same direction again after a while. What other possibilities could i check?
Cheers...
What should i check when the car push to the right when throttle is applied. I rebuilt the rear diff and it runs better for couple laps and start pushing the same direction again after a while. What other possibilities could i check?
Cheers...
10-18-2003, 12:23 AM
#684
Tires would be my first guess. Those suckers have a way of making a car pull, especially if one is smaller or of different shore.
The next thing I would check is the shocks. They too can make a car act weird especially if one has leaked the oil out.
Good Luck
The next thing I would check is the shocks. They too can make a car act weird especially if one has leaked the oil out.
Good Luck
10-18-2003, 01:04 PM
#685
has anyone had problems with the front diff leaking. my started to leak but i fixed it with a new diff case.
Last edited by Omar; 10-18-2003 at 10:16 PM.
10-18-2003, 09:52 PM
#686
R40 weight
So how much does the R40 weigh w/body, no fuel, foam tires? anyone got any idea?
10-19-2003, 09:32 AM
#687
1725g. with half a tank isn't to bad considering the R40 tanks is 72cc.
10-20-2003, 07:02 AM
#688
Originally posted by Omar
1725g. with half a tank isn't to bad considering the R40 tanks is 72cc.
1725g. with half a tank isn't to bad considering the R40 tanks is 72cc.
10-20-2003, 07:46 AM
#689
Tech Master
I am looking at nitro cars and was wondering how well the plastic is holding up over time on the R40? I ran RS4s in the past and over time they would get pretty loose. Thanks for any opinions and comments.
