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March 9th, 2010, 06:05 PM
#11
Join Date: Dec 2007
Location: Idaho Falls, ID
Posts: 103
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Quote:
Originally Posted by
bruteboy
what you mean convert them?
You have to convert the specs in the manual from the metric system to our system. For example, .020 of an inch is not the same as .020 of a millimeter. Here's a link to one of many conversion web sites on the net,
http://www.metric-conversion-tables....sionlength.htm
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2007 Brute 750i
Warn XT-30 Winch
Warn Pro-Vantage front mounted plow
26 Swamplites on 12" black SS108 rims (9" frt, 12" rear)
Fender Flares
Oil Cooler
March 9th, 2010, 06:31 PM
#12
Join Date: Oct 2006
Location: West Chazy, NY
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I run 91, or higher, octane in my Prairie and I have 11.5:1 compression pistons. Just run premium unleaded and you will be fine.
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'03 Prairie 650 - Muzzy, Dyna CDI, Twin Air Powerflow, EHS lid, DG Snorkle, 82mm 11.5:1 pistons, BF750 crank, P700 connecting rods, YFZ catch can, Flynt trail porting, UPP intakes, AMR cams, rocker mod, MW oil cooler, Works struts, VFJ Stage 3 spider mod clutch, lightened secondary, Goodyear MT/R's on Douglas Rattlesnakes
'0 KFX700 - Traded for......
'05 Polaris Sportsman 400
'04 Grizzly 125
March 9th, 2010, 07:34 PM
#13
Join Date: Aug 2008
Location: New Mexico
Posts: 3,420
Thanks: 2
Thanked 53 Times in 52 Posts
Quote:
Originally Posted by
bruteboy
you cant put 93 right?
No way...not with that ratio.
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06 750 ( Silver )
26" BajaCross on 14"SS112s | Dynatek CDI | TwinAir Filter | TPI Adjustable Airbox Valves | YFZ Catch Can Mod | Precision Pro Stabilizer | Perma-Cool Oil Cooler | Diamond "G" Tie Rods & Ends | EPI Maroon Primary W/Dalton Violet Secondary Springs | PowerMadd Handguards & Mirrors | Energy Swaybar Bushings | OMI Stem Bushing | Ricochet Skid Plates | HL Front Bumper | Warn 2.5 Wench | Direction2 Overfenders | Tamarac & Kimpex Trunks & Fenderguards | Rotopax
March 9th, 2010, 10:49 PM
#14
Join Date: Oct 2006
Location: West Chazy, NY
Posts: 2,293
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Quote:
Originally Posted by
NMKAWIERIDER
No way...not with that ratio.
I don't mean to disagree, but have been using plain old PREMIUM unleaded in my Prairie for the last year and a half, and I have Wiseco 11.5:1 pistons, ported heads, and custom grind (AMR) cams. Flynt (popular builder on High Lifter), and VForceJohn, told me that I do not need race fuel with 11.5:1 ratio pistons. Anything higher than that ratio and they told me I would need racing fuel, but not with the Wiseco pistons.
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'03 Prairie 650 - Muzzy, Dyna CDI, Twin Air Powerflow, EHS lid, DG Snorkle, 82mm 11.5:1 pistons, BF750 crank, P700 connecting rods, YFZ catch can, Flynt trail porting, UPP intakes, AMR cams, rocker mod, MW oil cooler, Works struts, VFJ Stage 3 spider mod clutch, lightened secondary, Goodyear MT/R's on Douglas Rattlesnakes
'0 KFX700 - Traded for......
'05 Polaris Sportsman 400
'04 Grizzly 125
March 9th, 2010, 11:09 PM
#15
Join Date: Aug 2008
Location: New Mexico
Posts: 3,420
Thanks: 2
Thanked 53 Times in 52 Posts
Quote:
Originally Posted by
Adirondack Man
I don't mean to disagree, but have been using plain old PREMIUM unleaded in my Prairie for the last year and a half, and I have Wiseco 11.5:1 pistons, ported heads, and custom grind (AMR) cams. Flynt (popular builder on High Lifter), and VForceJohn, told me that I do not need race fuel with 11.5:1 ratio pistons. Anything higher than that ratio and they told me I would need racing fuel, but not with the Wiseco pistons.
And no preignation? What is the total compression? The 12.0:1 I had in my LT1 had to have none less then 108. Bumping 200lbs with the shaved decks. She was sweet...but only when she was fed right. Hard to believe a .5 difference in compression can allow you to drop all the way down to 94. I guess it would depend on the actual compression.
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06 750 ( Silver )
26" BajaCross on 14"SS112s | Dynatek CDI | TwinAir Filter | TPI Adjustable Airbox Valves | YFZ Catch Can Mod | Precision Pro Stabilizer | Perma-Cool Oil Cooler | Diamond "G" Tie Rods & Ends | EPI Maroon Primary W/Dalton Violet Secondary Springs | PowerMadd Handguards & Mirrors | Energy Swaybar Bushings | OMI Stem Bushing | Ricochet Skid Plates | HL Front Bumper | Warn 2.5 Wench | Direction2 Overfenders | Tamarac & Kimpex Trunks & Fenderguards | Rotopax
March 9th, 2010, 11:17 PM
#16
Join Date: Nov 2007
Location: Kamloops British Columbia, Canada
Posts: 1,063
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It has alot to do with the cam design also. intake duration and lobe seperation play a big role in the fuel you need to run
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2007 Rack Smacker 750
Full Muzzy Dynatek FS, K&N, Maroon primary, Warn bumper, RT25 winch, 08 storage box, 27" Swamplites, Audiopipe, Custom paint, Grease fittings, Garmin 76csx, Swaybar gone
March 9th, 2010, 11:54 PM
#17
Join Date: Aug 2008
Location: New Mexico
Posts: 3,420
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Thanked 53 Times in 52 Posts
Quote:
Originally Posted by
BrianMc
It has alot to do with the cam design also. intake duration and lobe seperation play a big role in the fuel you need to run
Also plays a big roll in the size of the charge.
__________________
06 750 ( Silver )
26" BajaCross on 14"SS112s | Dynatek CDI | TwinAir Filter | TPI Adjustable Airbox Valves | YFZ Catch Can Mod | Precision Pro Stabilizer | Perma-Cool Oil Cooler | Diamond "G" Tie Rods & Ends | EPI Maroon Primary W/Dalton Violet Secondary Springs | PowerMadd Handguards & Mirrors | Energy Swaybar Bushings | OMI Stem Bushing | Ricochet Skid Plates | HL Front Bumper | Warn 2.5 Wench | Direction2 Overfenders | Tamarac & Kimpex Trunks & Fenderguards | Rotopax
March 10th, 2010, 01:24 PM
#18
Join Date: Feb 2010
Location: south carolina
Posts: 216
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with the jets whats the best jets to buy and is it a pain to tune?
March 10th, 2010, 03:32 PM
#19
Join Date: Aug 2008
Location: New Mexico
Posts: 3,420
Thanks: 2
Thanked 53 Times in 52 Posts
Quote:
Originally Posted by
bruteboy
with the jets whats the best jets to buy and is it a pain to tune?
I recommend the Kiehin Jets. EHS racing has them. I get mine from PJs Yes, it can be a pain to tune.
Your Keihin-Mikuni Jets Store-Pjmotorsports.Com
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06 750 ( Silver )
26" BajaCross on 14"SS112s | Dynatek CDI | TwinAir Filter | TPI Adjustable Airbox Valves | YFZ Catch Can Mod | Precision Pro Stabilizer | Perma-Cool Oil Cooler | Diamond "G" Tie Rods & Ends | EPI Maroon Primary W/Dalton Violet Secondary Springs | PowerMadd Handguards & Mirrors | Energy Swaybar Bushings | OMI Stem Bushing | Ricochet Skid Plates | HL Front Bumper | Warn 2.5 Wench | Direction2 Overfenders | Tamarac & Kimpex Trunks & Fenderguards | Rotopax
March 10th, 2010, 10:11 PM
#20
Join Date: Feb 2010
Location: south carolina
Posts: 216
Thanks: 5
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have you figured out the best way to tune them or do you just play with it till get it??
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