Recently, I purchased big 27" swamp lites and have been looking at some of the spring charts, but I don't really know what I'm looking at. Currently, I have stock springs, but based on what I've been reading it looks like a EPI Maroon primary spring will give me the extra "umph" I'm looking to regain in the mud.
On the spring charts, what does the 2 1/2, 2 1/4, 1 1/4 mean?
Besides that, what do the numbers mean in those columns?
Recently, I purchased big 27" swamp lites and have been looking at some of the spring charts, but I don't really know what I'm looking at. Currently, I have stock springs, but based on what I've been reading it looks like a EPI Maroon primary spring will give me the extra "umph" I'm looking to regain in the mud.
On the spring charts, what does the 2 1/2, 2 1/4, 1 1/4 mean?
Besides that, what do the numbers mean in those columns?
One of the only ways to make a chart on spring resistance is to level the playing field and put each in a press and squeeze them to specific distances apart and mark how much pressure it takes to bring them to these distances. You will see that at 2.25" the PSI or LBS is much less then say 1.5". The more you squeeze a spring, the more pressure it takes. MetalMan's spring chart shows the original or stock Brute spring pressures and both EPI & Dalton along with Primary and secondary springs. You probably would like the Maroon primary, and should have it. But if you are mudding, you will also want a little stouter secondary. With 27's, the red would be overkill so something less like Almond. If you didn't mud, then the stocks would still be OK.
I got 27" swamps and maroon. love it... do a good bit of mud and everything else...
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Go Big or stay Home!
05 750 Brute Force, Frt. and Rear baskets, Gun Scabard, 08 dry box upgrade, K&N air filter, VX-3000 Viper winch, pass. pad, 27" swamplites all around, ss108 wheels, skid pkg and frt bumper, Dynatek CDI and Maroon Primary clutch spring, HighLifter HD Springs on the rear from SS ATV along with their stainless custom floor board protectors, HD tie rod ends and HD stainless tie rods from ATV Trick Stuff, Mudlid breather from EHS racing, TwinAir Powerflow Kit and More to come!!!
Do you guys suggest doing a clutch kit over just doing springs? From the looks of a bunch of the signatures around, it looks like a lot are just doing the spring(s).
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'08 Brute Force 650i, 27" Swamp Lites, Maroon Primary Spring, Almond Secondary Spring, Snorkels, 2500lb Warn Winch, Kimpex box, All Balls 12mm Tie Rods+Ends, PowerMadd Hand Guards, Heated Grips, Custom Skid Plate
Do you guys suggest doing a clutch kit over just doing springs? From the looks of a bunch of the signatures around, it looks like a lot are just doing the spring(s).
The only other thing an EPI kit gives you is lighter flyweights...which wore out my pins so I put the stocks back in. And you can't pick your springs, so yes, just do the springs.
Now, for a few bucks more, there are other kits... like Dalton, which have adjustable flyweights, but I think you can do the same with spring pressures except ramping effects.
spring charts
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