R/C Tech Forums

Go Back   R/C Tech Forums > General Forums > Nitro Off-Road

Thread Tools Search this Thread
Old 12-15-2009, 07:04 PM   #1
Tech Rookie
Join Date: Dec 2009
Posts: 1

I have been looking for a piston and ring for my older model ek4 with no luck from anywhere I've tryed.Is there anyone who can help lead me in the right direction please?

This happens to be my first time on this forum and I didnt want to leave without without saying how cool and helpful it is.....thanks alot
ROLLINACES is offline   Reply With Quote
Old 12-15-2009, 07:25 PM   #2
Tech Fanatic
SteveP's Avatar
Join Date: Mar 2002
Location: So Cal
Posts: 919

Here's a link to a page that SHOULD be the same engine as the one that's included in the EK-4. Scroll down to the bottom and you'll see the part numbers for the piston and ring. Just to be safe, talk to someone there before you order the parts to be sure they're compatible. I'm 99-percent sure they are.

SteveP is offline   Reply With Quote
Old 12-15-2009, 07:28 PM   #3
Tech Champion
Tony Newland's Avatar
Join Date: May 2005
Location: Utah
Posts: 5,809
Trader Rating: 50 (100%+)

Ya I'd call ace before ordering to be safe

Mine had th .90 engine.... so make sure wht you have before you call them...

But I'm sure they should have the parts... those things were animals, what a blast to drive. Its like a 250 in an 80 frame rediculous
Schumacher Factory Team - Core RC - Tekin - Avid - Lunsford - Bellgate Distributors - Jconcepts - www.Prime-hobby.com - IRCR
Tony Newland is offline   Reply With Quote
Old 12-15-2009, 10:21 PM   #4
Tech Fanatic
SteveP's Avatar
Join Date: Mar 2002
Location: So Cal
Posts: 919

Be VERY careful when you install the new piston and ring. The piston will have a ring alignment pin in the ring groove and you MUST install the ring so the gap is aligned with this pin. You'll see the tips of the ring are relieved to allow the ring to fit over the pin.

If you install the piston with the ring improperly aligned, the pin will get forced deeper into the piston, and the alignment of the ring gap is basically out the window. The purpose of the alignment pin is to keep the ring gap in the same position, which is on a portion of the sleeve where there are no ports. If the ring isn't fixed in that position, it's only a matter of time before the ring rotates and gets stuck in an open port and KABOOM.

I saw more of these truck engines destroyed because many owners wanted to take the engine apart to have a look inside. They failed to realize that the ring alignment was critical and they blew the engines within the first few minutes of running.
SteveP is offline   Reply With Quote

Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are Off

All times are GMT -7. It is currently 10:00 PM.

We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon.com and affiliated sites.
Powered By: vBulletin v3.9.2.1
Privacy Policy | Terms of Use | Advertise Content © 2001-2011 RCTech.net