Notices
Car Nitro & Gas Engines Discuss all aspects of Nitro and Gas rc car engines here!

4stroke on 1/10 or 1/8th truck or car

Old 02-21-2008, 07:30 PM
  #1  
0001
Senior Member
Thread Starter
 
Join Date: May 2006
Location: ashebor NC
Posts: 109
Likes: 0
Received 0 Likes on 0 Posts
Default 4stroke on 1/10 or 1/8th truck or car

i really wanna do this..but what all would i need for it? i just love the sound of them..it doesnt have to be real fast..just fun
Old 02-21-2008, 07:31 PM
  #2  
twomanytoys
Senior Member
 
Join Date: Jan 2007
Location: , PA
Posts: 5,382
Likes: 0
Received 0 Likes on 0 Posts
Default RE: 4stroke on 1/10 or 1/8th truck or car

You wont get a 4 stroke on a 1/10 unless its a plane engine.
Old 02-21-2008, 07:34 PM
  #3  
0001
Senior Member
Thread Starter
 
Join Date: May 2006
Location: ashebor NC
Posts: 109
Likes: 0
Received 0 Likes on 0 Posts
Default RE: 4stroke on 1/10 or 1/8th truck or car

i ment somthing like this http://cgi.ebay.com/Saito-FA-50-50-8...QQcmdZViewItem
Old 02-21-2008, 07:38 PM
  #4  
twomanytoys
Senior Member
 
Join Date: Jan 2007
Location: , PA
Posts: 5,382
Likes: 0
Received 0 Likes on 0 Posts
Default RE: 4stroke on 1/10 or 1/8th truck or car

Thats still a huge engine for a 1/10 scale.
Old 02-21-2008, 07:47 PM
  #5  
0001
Senior Member
Thread Starter
 
Join Date: May 2006
Location: ashebor NC
Posts: 109
Likes: 0
Received 0 Likes on 0 Posts
Default RE: 4stroke on 1/10 or 1/8th truck or car

true...i guess it would just be to hard to do.
Old 02-21-2008, 08:03 PM
  #6  
JB COMP
Senior Member
 
JB COMP's Avatar
 
Join Date: Nov 2006
Location: Navarre, FL
Posts: 4,492
Likes: 0
Received 0 Likes on 0 Posts
Default RE: 4stroke on 1/10 or 1/8th truck or car

what car? as long as the car you are putting it in can be used on a starter box, then you can start it.

(e-mail me, I might be able to help you some more)
Old 02-21-2008, 09:50 PM
  #7  
0001
Senior Member
Thread Starter
 
Join Date: May 2006
Location: ashebor NC
Posts: 109
Likes: 0
Received 0 Likes on 0 Posts
Default RE: 4stroke on 1/10 or 1/8th truck or car

sent u an email
Old 02-21-2008, 09:59 PM
  #8  
JB COMP
Senior Member
 
JB COMP's Avatar
 
Join Date: Nov 2006
Location: Navarre, FL
Posts: 4,492
Likes: 0
Received 0 Likes on 0 Posts
Default RE: 4stroke on 1/10 or 1/8th truck or car

didn't get, so I sent you one.
Old 02-22-2008, 12:46 PM
  #9  
125cchyperman
Senior Member
 
Join Date: Mar 2006
Location: Manheim , PA
Posts: 2,599
Likes: 0
Received 0 Likes on 0 Posts
Default RE: 4stroke on 1/10 or 1/8th truck or car

They used to make small 4-stroke engine's specificallly for 1/10 sized cars and trucks. It was a while back maybe 4 or 5 years ago, cant remember who made them though. But they did make them cause I was considering doing the same with my T-Maxx. But one hting you got to remember a 4 stroke thats the size of .30 will have the performace of a .15 sized 2 stroke. Thats the only down side to them , the performance for there size really lags behind that of a 2 stroke.
Old 02-22-2008, 07:52 PM
  #10  
downunder
 
downunder's Avatar
 
Join Date: Oct 2002
Location: Adelaide, AUSTRALIA
Posts: 4,527
Likes: 0
Received 1 Like on 1 Post
Default RE: 4stroke on 1/10 or 1/8th truck or car

This is the only 4 stroke I know of designed for cars.
[link=http://www.osengines.com/engines/osmg2091.html]OS FS-26C[/link]
Old 03-07-2008, 11:57 AM
  #11  
new225
Junior Member
 
Join Date: Jul 2005
Location: Moskow, RUSSIA
Posts: 10
Likes: 0
Received 0 Likes on 0 Posts
Default RE: 4stroke on 1/10 or 1/8th truck or car

Experience of installation of the four-cycle motor
[link=http://www.truggyracers.com/forum/index.php?s=a70c83413929467e342b3a06611583a0&showtopic=8563&st=0]Ttr Eb-4 Conversion, ...with a twist[/link]
Old 03-07-2008, 12:02 PM
  #12  
JB COMP
Senior Member
 
JB COMP's Avatar
 
Join Date: Nov 2006
Location: Navarre, FL
Posts: 4,492
Likes: 0
Received 0 Likes on 0 Posts
Default RE: 4stroke on 1/10 or 1/8th truck or car


ORIGINAL: new225

Experience of installation of the four-cycle motor
[link=http://www.truggyracers.com/forum/index.php?s=a70c83413929467e342b3a06611583a0&showtopic=8563&st=0]Ttr Eb-4 Conversion, ...with a twist[/link]
I've seen that, and a video, that thing is slow and under powered. a 70-91 4-stroke is what a truggy needs.
Old 03-07-2008, 12:49 PM
  #13  
new225
Junior Member
 
Join Date: Jul 2005
Location: Moskow, RUSSIA
Posts: 10
Likes: 0
Received 0 Likes on 0 Posts
Default RE: 4stroke on 1/10 or 1/8th truck or car

I do not know - 70-91 - it seems to me much.
Small speed of machine is pleasant to me - I used Magnum 0.30fsr, but I asked my friend for help in manufacturing some details
[link=http://www.youtube.com/watch?v=a06De1GmxwQ]test drive[/link]
Old 03-07-2008, 02:28 PM
  #14  
JB COMP
Senior Member
 
JB COMP's Avatar
 
Join Date: Nov 2006
Location: Navarre, FL
Posts: 4,492
Likes: 0
Received 0 Likes on 0 Posts
Default RE: 4stroke on 1/10 or 1/8th truck or car


ORIGINAL: new225

I do not know - 70-91 - it seems to me much.
Small speed of machine is pleasant to me - I used Magnum 0.30fsr, but I asked my friend for help in manufacturing some details
[link=http://www.youtube.com/watch?v=a06De1GmxwQ]test drive[/link]
then again I'm running a truggy not a mt. and for a truggy a 70 is almost too small.

Old 03-07-2008, 02:44 PM
  #15  
new225
Junior Member
 
Join Date: Jul 2005
Location: Moskow, RUSSIA
Posts: 10
Likes: 0
Received 0 Likes on 0 Posts
Default RE: 4stroke on 1/10 or 1/8th truck or car

:-) What engine you want to be use ?
Old 03-07-2008, 02:49 PM
  #16  
JB COMP
Senior Member
 
JB COMP's Avatar
 
Join Date: Nov 2006
Location: Navarre, FL
Posts: 4,492
Likes: 0
Received 0 Likes on 0 Posts
Default RE: 4stroke on 1/10 or 1/8th truck or car

I'm running a OS 70 in my CRT, but for a maxx a 50 or 56 where can you find stiffer springs for a 4-stroke engine, I probably will wont to change the ones in my OS 70
Old 03-07-2008, 03:20 PM
  #17  
new225
Junior Member
 
Join Date: Jul 2005
Location: Moskow, RUSSIA
Posts: 10
Likes: 0
Received 0 Likes on 0 Posts
Default RE: 4stroke on 1/10 or 1/8th truck or car

What You change in the shoe clutch and a gear box?
You have revers on T-Max ?
My gear box is not normally work for forward and back speed with four stroke engine - the rpm is very small
Old 03-07-2008, 03:36 PM
  #18  
JB COMP
Senior Member
 
JB COMP's Avatar
 
Join Date: Nov 2006
Location: Navarre, FL
Posts: 4,492
Likes: 0
Received 0 Likes on 0 Posts
Default RE: 4stroke on 1/10 or 1/8th truck or car

the CRT is a truggy, no gear box, the gear is attached directly to the shafts.
Old 03-07-2008, 04:32 PM
  #19  
yamaha7
Junior Member
 
Join Date: Feb 2008
Location: , MT
Posts: 2
Likes: 0
Received 0 Likes on 0 Posts
Default RE: 4stroke on 1/10 or 1/8th truck or car

I want to put a 4 stroke in my t-maxx is that even possible?
Old 03-08-2008, 01:39 AM
  #20  
125cchyperman
Senior Member
 
Join Date: Mar 2006
Location: Manheim , PA
Posts: 2,599
Likes: 0
Received 0 Likes on 0 Posts
Default RE: 4stroke on 1/10 or 1/8th truck or car

Yeah a while ago I talking several years ago there was a guy that I had seen put a 4 stroke engine on a t-maxx. I have seen t-maxx's with as much as 3 2 stroke engine's on. But dont know how well that really worked and kinda seemed pointless to me, but yes you can do it.

But remember for a 4 stroke you will need about twice the size of a 2 stroke to get the same performance out of it. I.E a .30 sized 4 stroke will have about the same power as a .15 sized 2 stroke. The .30 will have way more torque but less overall HP then a 2 stroke, and you will have to gear it so high because the 4 strokes dont come close to reving as high as a 2 stroke does.
Old 03-08-2008, 04:43 AM
  #21  
ttoks
Senior Member
 
ttoks's Avatar
 
Join Date: Mar 2007
Location: leongatha,VIC, AUSTRALIA
Posts: 3,735
Likes: 0
Received 0 Likes on 0 Posts
Default RE: 4stroke on 1/10 or 1/8th truck or car

with current 4 stroke engines, you will struggle to get a good enough power to weight ratio to get good performance, however if enough time was put into developing a good 4 stroke, you will have a very good engine, a great example is dirtbikes, which were, up until ten years ago an all two stroke affair, until the yamaha YZF400 was introduced, not as ft as the two stroke of the time, but it got peoples attention, fast forward to today, and 450cc 4 stroke are absolutely dominating the 250CC class so badly there aren't any competitive 250 two stroke in it anymore, and so starting in 2010, it will be 350cc 4 stroke to 250cc two strokes, it isn't a case of 4 stroke need to be twice the size to make the power, thats far from true.

IF the development is put into making an overhead cam, 4 valve big bore (as in large bore to a short stroke) 4 stroke, which uses a self contained lubrication system to remove all oil from the fuel, it will be a case of .40 4 stroke competing with .21 and .28 two stroke engines.

for amusement, heres a pic of a revo with an O.S .52 (not a .90, silly me[sm=bananahead.gif]) 4 stroke in it, which is actually competitive with the two strokes.
Attached Thumbnails Click image for larger version

Name:	Rp43227.jpg
Views:	12
Size:	125.0 KB
ID:	897538  
Old 03-08-2008, 10:06 AM
  #22  
JB COMP
Senior Member
 
JB COMP's Avatar
 
Join Date: Nov 2006
Location: Navarre, FL
Posts: 4,492
Likes: 0
Received 0 Likes on 0 Posts
Default RE: 4stroke on 1/10 or 1/8th truck or car

ttoks, thats a 52 not a 90, I've seen close ups of that revo. and I've seen the thread where the guy himself build it and said it was a 52
Old 03-08-2008, 10:12 AM
  #23  
ttoks
Senior Member
 
ttoks's Avatar
 
Join Date: Mar 2007
Location: leongatha,VIC, AUSTRALIA
Posts: 3,735
Likes: 0
Received 0 Likes on 0 Posts
Default RE: 4stroke on 1/10 or 1/8th truck or car

meh how was i supposed to know, i'm not a plane guy and it was titled a .90 where i got the pic from (obviously not the guy who built it...), yay it's a .52... i wasn't not trying to start no arguments... i even edited my post for you [:-]
Old 03-08-2008, 01:36 PM
  #24  
125cchyperman
Senior Member
 
Join Date: Mar 2006
Location: Manheim , PA
Posts: 2,599
Likes: 0
Received 0 Likes on 0 Posts
Default RE: 4stroke on 1/10 or 1/8th truck or car

ORIGINAL: ttoks

with current 4 stroke engines, you will struggle to get a good enough power to weight ratio to get good performance, however if enough time was put into developing a good 4 stroke, you will have a very good engine, a great example is dirtbikes, which were, up until ten years ago an all two stroke affair, until the yamaha YZF400 was introduced, not as ft as the two stroke of the time, but it got peoples attention, fast forward to today, and 450cc 4 stroke are absolutely dominating the 250CC class so badly there aren't any competitive 250 two stroke in it anymore, and so starting in 2010, it will be 350cc 4 stroke to 250cc two strokes, it isn't a case of 4 stroke need to be twice the size to make the power, thats far from true.
Actually it's not really, in that case with the dirt bikes. The riders are rarely if ever at full throttle except on the short straight's leading up to a jump or on the starts. There off and on the throttle, where a 4 stroke excells over a 2 stroke. Remember 4 strokes have a ton of torque over a 2 stroke. 2 strokes love to go wideopen and stay up high with there rpm's as thats where they make there power. So this type or racing is better suited towards a 4 stroke then a 2 stroke really. Remember that a 4 stroke excells with on and off the throttle responce since it has way mor torque, if you have them both go wide open and stay that way a 2 stroke will prevail.


We race micro midgets(same thing as a sprint car just in a smaller scale) and we have a 125cc(actually allowed up to 136cc cause we are allowed to either bore them or stroke them) class, 250cc 4 stroke class 250cc 2 stroke class(both allowed up to 270cc), 600cc class(allowed up to 636cc's but has to have a stock stroke) and a 1000cc class. Now we have 2 local track's one of which allows the 125cc cars to run with the 250cc 4 strokes. Most of the time(since it's wide open throttle on a 1/4 mile track) the 125cc 2 stroke wins. Once this year did a 4 stroke win and he ad 7 grand into his motor, 4 of it just being in the head. As of recent they have allowed 450cc engine's to run with the 250cc engine's and the 450cc drivers just keept on getting there butts kicked. They would easily have them on the starts but couldnt touch them with there top end.

Getting back to the 250's they have titanium valves 3 or 4 valves per cylinder and are as good as your going to get right now. And the 125's basically kicked there butt's every time except once. And it was more due to the driver, the driver is awesome in anything that he gets in and if he would have been in his 125 that night he would have one. Ohh yeah and up until the zx6r 636 came out the 250cc 2 strokes where actually just as fast and in some cases faster then that of a 600's.

It more or less really depends on where your at, but for racing with our rc's it's going to take much more then twice the size to make the power of a 2 stroke. Not unless they have made 4 valves per cylinder titanium valves dual rate valve spring's, have the valves polished along with having the valve bowls blended along with much much more. The 4 stroke technology of Rc's is basically decades behind that of there larger brethern that are in dirt bikes and four wheelers.

I'm not trying to start an argument here just stating that in a lot of cases a 4 stroke need's to be at least twice a larger as a 2 stroke need's to be. Now there are certain instance's where that is not true again I.E motorcross, and arena cross where they are constantly off and back on the throttle. Plus to make a 4 stroke that fast they need to be rebuild a lot more then a 2 stroke does, there 4 strokes need to be rebuild every 2 races where as a 2 stroke can go as many as 6 or more races before needing to be rebuilt.
Old 03-08-2008, 06:40 PM
  #25  
JB COMP
Senior Member
 
JB COMP's Avatar
 
Join Date: Nov 2006
Location: Navarre, FL
Posts: 4,492
Likes: 0
Received 0 Likes on 0 Posts
Default RE: 4stroke on 1/10 or 1/8th truck or car


ORIGINAL: ttoks

meh how was i supposed to know, i'm not a plane guy and it was titled a .90 where i got the pic from (obviously not the guy who built it...), yay it's a .52... i wasn't not trying to start no arguments... i even edited my post for you [:-]
I just didn't want other people to think it was a 90 when its not.

Thread Tools
Search this Thread

Contact Us - Archive - Advertising - Cookie Policy - Privacy Statement - Terms of Service -

Copyright © 2024 MH Sub I, LLC dba Internet Brands. All rights reserved. Use of this site indicates your consent to the Terms of Use.