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.21 in an HPI R40?

Old 03-17-2010, 08:28 PM
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fdjizm
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Default .21 in an HPI R40?

Hell All, well i picked up an r40 on ebay recieved it, it's in awesome conditon and a hot car to have!.
anyway i have seen some random people on the internet post about their r40 and the .21 in it (years ago)
I was wondering if anyone had information on how I am going to stuff a .21 in there? i'm stumped because i see ALOT of cutting needed.
Old 03-17-2010, 08:35 PM
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Default RE: .21 in an HPI R40?

I think you miht have to either cut some new holes into the chassis to fit the BB engine mount, or you could possibly make your own mount which plenty of people have done.
You might need some major work on it to fit the engine, im not entirely sure, i would ask people in a thread here could something like "1/10 scalers with .21 and larger engines" something like that.
I would also think that a guy here with the username "Brent_Davis" would know, he's got drag cars and fit BB engines into SB cars.
Old 03-17-2010, 10:06 PM
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Default RE: .21 in an HPI R40?

Yea i do the same thing with a few cars but never did the r40 just doesn't seem to have the room without major cutting then it would rub the belt tensioner etc.. etc.. i see a few problems.
i have sliding mounts thats not the issue it's the lack of room... but this guy managed to pull it off

http://www.rctech.net/forum/nitro-ro...i-r40-kit.html

Old 03-18-2010, 12:23 AM
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Default RE: .21 in an HPI R40?

ORIGINAL: fdjizm

Hell All, well i picked up an r40 on ebay recieved it, it's in awesome conditon and a hot car to have!.
anyway i have seen some random people on the internet post about their r40 and the .21 in it (years ago)
I was wondering if anyone had information on how I am going to stuff a .21 in there? i'm stumped because i see ALOT of cutting needed.
.....................I put a .21 in my R-40 and besides the motor mounts you are right you will be doing alot of cutting and using your file. Also the side pullies need slightly longer shafts so they don't rub against the motor thats about it.
Old 03-18-2010, 05:35 AM
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Default RE: .21 in an HPI R40?

I am going to have to buy a donor chassis on ebay for this mad experiment.
I mean I can almost see how it would fit but the amount of cutting I saw myself doing I figured I should ask online first! lol
where did you get a longer shaft?
Old 03-18-2010, 08:02 AM
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Default RE: .21 in an HPI R40?

Spare parts I had left from a 1/8 scale onroad. A machinest can make you one.
Old 03-18-2010, 06:45 PM
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Default RE: .21 in an HPI R40?

Nitrohead!!! What's up dude???? [8D]
Old 03-18-2010, 07:25 PM
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Default RE: .21 in an HPI R40?

Nothing much G-man !! Whats new with you???
Old 03-19-2010, 06:06 AM
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Default RE: .21 in an HPI R40?

Pretty much the same...got my master and I have plenty of free time now, waiting to enlist in the army...
Old 03-19-2010, 08:44 AM
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Default RE: .21 in an HPI R40?

Congraulations on getting your Masters!! What did you get it in?? My Jar head son wants to re-enlist in the army.

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