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View Full Version : questions 1984 200X 10.5:1 piston and high performance cam



3Wheelers4Life
07-24-2007, 09:19 PM
i have a 1984 ATC 200X im looking to get a 10.5:1 piston. does anyone know a website where i could get one or does anyone have one for sale around $50-$75 (new, not used with rings, wrist pin and clips). i checked powroll.com but theirs is $200. i was not looking to spend that much. anything i should know or be advised about?

also, i was going to get this high performance cam http://cgi.ebay.com/ebaymotors/83-85-ATC200X-Camshaft-Hi-Performance-Cam-ATC-200X_W0QQcmdZViewItemQQcategoryZ43977QQihZ016QQite mZ260132184764QQrdZ1QQsspagenameZWD1V (someone please dont buy it:mad:). can i just drop it into a stock engine if i dont get the 10.5:1? can i use it with the 10.5:1? what do i have to do to a stock engine to make it work (valve springs?)? what do i have to do with the 10.5:1 to make it work (valve springs?)? anything i should know or be advised about. thanks!

Solid Snake
07-24-2007, 09:41 PM
I don't think that is a high performance cam. That is probably just an XR200 cam. I asked that guy once what they are and had no response. If it was a high performance cam it would be costlier than that, no doubt.

edog
07-24-2007, 09:44 PM
Web Cam makes one for under $130.
http://www.webcamshafts.com/

3Wheelers4Life
07-24-2007, 09:48 PM
I don't think that is a high performance cam. That is probably just an XR200 cam. I asked that guy once what they are and had no response. If it was a high performance cam it would be costlier than that, no doubt.

yea, thanks. it does sound a little weird. ill ask him some questions and go from there. i liked it because of the price.

rugabugadouglas
07-24-2007, 10:08 PM
i have a 12 to 1 compression motor i would like to swap with a good stock motor possably

atctim
07-24-2007, 10:39 PM
Webcam performance cams require heavier valve springs - you are looking at roughly $200 for the cam only. That is their mild cam - not there "balls out" one.

3Wheelers4Life
07-25-2007, 09:55 PM
thanks for the advice guys, i think im going to wait on the performance stuff awhile. i have to plant another money tree lol j/k.

firefirefire90
07-26-2007, 02:28 AM
Why not go for the XR200 cam? Technically, compared to the 200x, it is a performance cam!

84honda200s
07-26-2007, 12:47 PM
kinda like a 200x cam is a performance cam in a 200s or 185 engine. get a 10.5:1 piston and rings from either denniskirk.com or rockymountain.com (im sure there is more) and get a xr200 cam. those 2 mods will wake that motor up pretty good. along with a exhaust and bigger carb.

3Wheelers4Life
07-26-2007, 02:45 PM
ill try to get a xr200 cam and 10.5:1 piston for now. later on when i get more money, ill really get into it.
is there some place i can get a XR200 cam new? does honda still make them? are there any aftermarket ones? i checked ebay but all i could find was a used one. i would rather get one new if i could.
also, does anyone know if someone make a 10.5:1 piston for a 84 200X that is .25 over? i checked wiseco, but the closest i seen was a 10.25:1 piston thats .50 over. thanks.

84honda200s
07-26-2007, 03:08 PM
as far as i know they still make a xr200 cam .but they cost about 60.00. you can get them threw honda.

Solid Snake
07-26-2007, 06:54 PM
Wait for an XR200 cam to come through on ebay, if that's what you want then you can get one for 20 bucks or less if you are patient. I got one a while back for 15.

3Wheelers4Life
07-26-2007, 07:42 PM
Wait for an XR200 cam to come through on ebay, if that's what you want then you can get one for 20 bucks or less if you are patient. I got one a while back for 15.

new or used. thanks.

84honda200s
07-26-2007, 07:45 PM
used if you want a new one let me know. i can get you a new one for 55.00 plus shipping. pm me if your interested.

3Wheelers4Life
07-26-2007, 07:47 PM
let me see what i can gather up first as far as other parts, ill keep you in mind. thanks.

84honda200s
07-26-2007, 07:49 PM
will do. there is a xr200 cam and rockers on ebay now.

3Wheelers4Life
07-26-2007, 07:53 PM
i know, i seen it, but i only need the cam. thanks.

Dirtcrasher
07-26-2007, 08:13 PM
OK, so whats better for a ATC 200X? A stock XR200 cam or a fullrange Webcam?

Not talking costs here, just performance...

BTW, the hardened Webcam doesn't require hardfaced rockers.

3Wheelers4Life
07-26-2007, 09:10 PM
i would think a webcam would be better.

84honda200s
07-26-2007, 09:19 PM
same here. but who knows. i wonder if anyone ever put a mic to the two to see what one has the better specs.