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Lewis Engine 2.2 Stroker Rb20

eightsixboy
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N1 RB26 Contributor

N1 RB26

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the ride was fine at 335 it was nice to drive it was only rough as guts when i had it sitting at 310 but i didn't mind even though you did lose a kidney everytime you went over a bump lol but it stuck to the road like glue which was fun :D

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Rolls Grand Master

Rolls

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the ride was fine at 335 it was nice to drive it was only rough as guts when i had it sitting at 310 but i didn't mind even though you did lose a kidney everytime you went over a bump lol but it stuck to the road like glue which was fun :D

It would have handled better at 335 or stock height. I don't know why people think stiff suspension = better handling.

bubba Grand Master

bubba

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When I got my 32 it was on its' balls and it was horrible and scraping everything got mighty annoying! Raised it up to how it is below and haven't looked back! Handles soooo much better and doesn't scrape anything :D

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N1 RB26 Contributor

N1 RB26

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It would have handled better at 335 or stock height. I don't know why people think stiff suspension = better handling.

your right in a sense but cause it was sitting so low you need the stiffer suspension to compensate to avoid bottoming out...stiffer suspension over stock does get you better handling but not at the stock height. by lowering the car you give it a lower centre of gravity and a better roll centre for weight transfer going through sharp bends with quick directional changes. so what you said is true stiffer suspension doesn't = better handling, but it does when all the suspension is working together and is all proportionate to the car and the tracks you intend to drive it on. don't forget by having stiffer suspension you get better response in the steering as well as being in control of squatting and diving under hard acceleration and braking, but if you hit a couple bumps and it's super stiff you lose traction so it's not always a good thing it all has to be in balance :thumbsup: but it didn't handle better at 335 cause it didn't have stiff enough springs had way too much body roll for that ride height

Rolls Grand Master

Rolls

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your right in a sense but cause it was sitting so low you need the stiffer suspension to compensate to avoid bottoming out...stiffer suspension over stock does get you better handling but not at the stock height. by lowering the car you give it a lower centre of gravity and a better roll centre for weight transfer going through sharp bends with quick directional changes. so what you said is true stiffer suspension doesn't = better handling, but it does when all the suspension is working together and is all proportionate to the car and the tracks you intend to drive it on. don't forget by having stiffer suspension you get better response in the steering as well as being in control of squatting and diving under hard acceleration and braking, but if you hit a couple bumps and it's super stiff you lose traction so it's not always a good thing it all has to be in balance :thumbsup: but it didn't handle better at 335 cause it didn't have stiff enough springs had way too much body roll for that ride height

Actually by lowering it that much you f**k the roll centre as all the control arms are on weird angles causing all sorts of issues. Making it stiffer will just compound the problem by having a car that is far too stiff.

It will always handle worse at that ride height unless you modify the mounting of the arms and/or use roll centre adjusters. Any stiffer than 4kg springs will almost always give worse handling because when accelerating the car won't squat giving worse straight line acceleration as the wheels will spin, also any bumps you hit will cause a lose in traction as well. The only time you want stiffer than this is when you are running full slicks on a perfectly flat race track.

It would never have handled better at 335 unless you had roll center adjusters. Sydney Kid did some testing and found that at low heights there was actually positive camber gain on harsh bumps so lots of things go wrong when you mess with the suspension geometry this much.

if you want less body roll use sway bars to remove it, don't use stiffer springs, people always seem to mess this up for some reason.

bubba Grand Master

bubba

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Where did you get your brake caliper bracket from? My god it clocks the caliper around a hell of a lot

Came off a local race car here, it clocks it by exactly 15deg (I have drawn them up and played around with different sizes). They are for 296>324mm rotors and unless you machine the adapter out of a solid block (because the offset is so small) you have to rotate the caliper to get the clearances around the bolts.

Have not noticed any bad diving under brakes or anything like that.

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