Xsc exhaust????

[Dcc079]

So I bent the factory tuned pipe in to the bafffle inside and the engine didn't want to run so I made one from sq tubing will running this hurt the motor?

 

[Dcc079]

Here's a pictureJ View attachment 5651 I know it's crude I just didn't want to wait till I found a pipe





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[BertR]

The 2 stroke motor needs back pressure to work properly. Did it bend both exit stingers to the baffle?

 

[Dcc079]

It caved the right side of the can almost closed and stalled

 

[BertR]

it may be ok to run if it has some back pressure qualities give it a shot and let us know how well it works. For all we know it could preform better than the stock.

 

[Dcc079]

I tried to taper the 1 1/2 down to 1/2 as best I could with tube so as to creat some back pressure I just didn't want to burn up the engine I figured after the pic I might get a stop!!!! Don't use that lol

 

[BertR]

Well that is a call you will have to make lol. It may get hot as hell not being able to dissipate heat. I would go for a second opinion from a seasoned veteran at these motors

 

[Guantanamo Joe]

Positive re-enforcement here... try it out, it might be the baddest pipe out there!!!

 

[Dcc079]

Without a dyno pull it'd be hard for me to realize what's happening as his is my first exp with gas and I just got thru the 4th tank ill run it and see how it does

 

[BertR]

If you want another stock pipe RCDAD has one for sale for 20 bucks and he lives in Mesa so it would be fast getting to you.

 

[Guest]

I really hate to sell that thing. The $20 is for the effort to stuff it in a box. LOL

If you want it you can have it! Shoot me a message and ill meet you somewhere.

 

[Dcc079]

Lol thank you I really just need to pull the trigger on a real tuned pipe the one I made is crude but it'll get me by for two weeks

 

[Guest]

No prob man! Good luck.

 

[Deluge]

That looks like it could be the first pipe ever made. EVER. How's it working out?

 

[Dcc079]

Got it mounted pic to come so far it doesn't have much pull low end it kinda bogs down but when it gets wound up It seems to be faster overall I haven't tuned it yet its just broken in with the fac carb I have a 990 in route hoping to tune it and see what it'll do I'll post pic of it mounted it is a perfect fit no mods didn't cut anything still have all of the rear bumper and its a rear exit at about the same angle as the shock and a ways from the body after the carb and tuning ill report the progress

 

[Dcc079]

Finished View attachment 5654 View attachment 5654 hopefully I can tune it right any suggestions would be appreciated lol





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[Guantanamo Joe]

that thing is very MAD MAX looking... I like it! Unfortunately, no tuning tips without hearing the engine... maybe one of the more experienced guys can help. Good luck with it!

 

[Guest]

There is tons of info on the forum regarding tuning.

Here is an example. http://www.redcatrampageforum.com/showthread.php?p=103754#post103754

 

[Dcc079]

Thank you for the info. Can u suggest were to start with the 990 carb as a default?

 

[Guest]

Both needles about 1 1/4 out works for me.