dynamite pipe
 

does anyone know if the dynamite HT pipe will work with the GX7? thanks

I believe that is the 007 HT pipe, which is a bottom end pipe.
It will work on the GX-7R but not very well. It will stifle the 7 Ports awesome mid and top end.
The Dynamite pipe that best matches the 7 Port is the 053 MR. This will give you a wonderful smooth response right through the rev range with ballistic top end. Ideally suited to buggy.
If you have the funds, get the GO EFRA 2072, this is the best all round pipe for all the GX Series motors.

Guys, I had a nightmare of sunday racing at my local track.
My gx-5 kept burning plugs, I had not changed needles since the last meeting only the sun was out for a change in the UK and got pretty hot,
I was doing random temp checks and seemed pretty good 277f and was giving plenty of smoke and there signs of fuel coming from the exhaust.

Any ideas what would cause this??

Also just wanted to double check that I have the long LSN as I purchased it from the UK??

Thanks in advance

what plugs and fuel?

yes it was warm on sunday.

If you got the motor in the UK it is 99% sure to have the long LSN.
Easy to check - Pull the throttle slide fully open to the far side of the carb throat. If the tapered tip of the LSN is still just in the spray bar, you have the long LSN.
If the needle has a rounded ¨bull nosed¨ tip and is well out of the spray bar at WOT (coming out of the spray bar at around 1/2 to 3/4 throttle), then you have the short LSN.

Sounds like you may have fallen into the age old wide idle gap, rich bottom, lean top tuning dilema.
The motor will run ok, with plenty of smoke through most of the rev range, but will be very lean at the very top. This is probably why you are buring and blowing plugs. The motor runs ok because the wide idle gap disguises the overly rich bottom end and allows the motor to function ¨almost normally¨.

Go here http://go-racing.vpweb.co.nz/Tech-Tips.html

Scroll down to the tuning guide. This tells you exactly how to set the idle gap, lsn, and hsn correctly on the long needle GO motors. Follow this and you will be sweet.
I would say you will find your idle gap is too wide by quite a bit.
Long lsn needle settings - within 1/4 of a turn are normally:

HSN 2 - 3 ¨HOURS¨ only in from flush. Any more and you will be in trouble with lean bog etc if the rest of the carb is tuned correctly.

LSN 1 1/2 - 1 3/4 TURNS in from flush, depending on fuel, pipe and ambient conditions.

Let us know how you get on :cool:

Cheers buddy I will give it a go at the weekend and come back to you

Thanks again

bryons 2 25% and Go T3 plugs

try a colder t4 plug,the t3 is a bit hit n miss sometimes if not bang on the tune.

Even better yet, get some OD 97T's

yea im after some myself but too expensive here in the uk..thats if you can get them :(

+1

Tower Hobbies they are only $2.98 US dollars, the more ya get the more you'l save...maybe get together with a few mates and share the cost to save on freight. :sneaky:

just ordered some but they worked out even cheaper :)

Thanks Flanno :cry:

yep $1.89 :D

Plenty of talk of the new GO GXII in the USA guys thread, plenty also on here from the NZ guy's etc, nothing on the Aussie GO thread in ages
:confused: