wantboost
Expert
anyone switch to 13:1 compression.was wondering if its worth anything?
MSTOutdoors
Newbie
13:1
Yes and yes.
I did cams, pistons, exhaust and cdi box and the sled is in another league. Add a ZR 900 suspension and it's perfect.
Yes and yes.
I did cams, pistons, exhaust and cdi box and the sled is in another league. Add a ZR 900 suspension and it's perfect.
snowbeast
TY 4 Stroke God
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- 2015 apex xtx traded for a 2017 sidewinder L-tx-le
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Re: 13:1
Which sled and year do you have? Is it an rx1 or the apex?MSTOutdoors said:Yes and yes.
I did cams, pistons, exhaust and cdi box and the sled is in another league. Add a ZR 900 suspension and it's perfect.
rxrider
Jan-Ove Pedersen
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- 2014 Phazer XTX, 2013 Phazer RTX, 2008 Apex RTX, 2007 Warrior, 2006 Attak
Welcome onboard MSTOutdoors. Please tell us more about your engine work and the performance of your sled.
170plus
TY 4 Stroke Junkie
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- 2021 polaris assault 850,18 sidewinder ltx,14 nitro xtx,06 apex rtx,
mstoutdoors....you forgot to add that it probably was the best sounding sled on the lake,not sure what you hade for exhaust but it sounded awesome
FAMILYMAN
Lifetime Member
Sure just tease us and thats it..haha.
Like to hear more about this modification
Like to hear more about this modification
MSTOutdoors
Newbie
RX-1
It's on an 04 RX-1. 13:1 pistons (wiseco), cams (Hauck) , CDI (Hauck), Hauck exhaust, ECP filters, ZR 900 Suspension. Next it's getting stretched to 136 and adding a bottle.
This is not a two stroke and is not a simple machine to tear down. BUt it is worth it for the performance.
F-7's not a problem. All I worry about now are 800 XCR's from HTG.
It's on an 04 RX-1. 13:1 pistons (wiseco), cams (Hauck) , CDI (Hauck), Hauck exhaust, ECP filters, ZR 900 Suspension. Next it's getting stretched to 136 and adding a bottle.
This is not a two stroke and is not a simple machine to tear down. BUt it is worth it for the performance.
F-7's not a problem. All I worry about now are 800 XCR's from HTG.
rx1racer
Newbie
I have a very similar set up in my 05 rx-1 with the ecp kit,qc-1 exhaust,hauck cams,head work,a nd 13;1 wisecos.I was wondering what sort of compression numbers are you seeing and what is the gain with the cdi box and how much was it.Thanks for the input.
MSTOutdoors
Newbie
just shy of 280psi. The box works well but will not work with the plugs that come with the ECP kit. You'll have to switch back to stock plugs. The box advances timing 3* on the bottom and retards 3* on top.
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