 front spring rate question? |
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| brant |
 Jan 9 2003, 10:01 AM
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914 Wizard  Group: Members Posts: 11,641 Joined: 30-December 02 From: Colorado Member No.: 47 Region Association: Rocky Mountains 
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I'm not exactly sure where to start with this one..
Let me tell ya where I'm coming from... On the rear suspension... I've been told to increase spring rate when I step up to a non-poly spherical type bearing. I was told that without the drag of the poly bushings, I would need to go up 100ish lbs to compensate for that drag.... and keep close to the same effect suspension rate back there. So... Here is the actual question. If the above is true, would it not then be true that with a front bearing suspension (like Mike Muellers).. that the front spring rates (be it torsion or coil over) would also need to go up.... In order to keep the front rear balance... Brad..... On the track only cars you set up with 300... 400... rear springs... what kind of front spring rate do you end up with... somewhere I once saw a conversion chart to compare torsion bar milimeters to coil spring foot pounds. brant |
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| brant |
Jan 9 2003, 04:21 PM
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914 Wizard Group: Members Posts: 11,641 Joined: 30-December 02 From: Colorado Member No.: 47 Region Association: Rocky Mountains
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Brad,
In your expert experience... lets say its a 4 wheel coil over car... are you running similar front and rear rates to balance the vehicle... something like 250 front/ 250 or 275 rear? ------------------------------------------------------------ here is what is driving all of my questions fellas... I want to do mikes front bearings... I intend to keep my rear about the same spring rate. I like the balance I have now.. I was thinking that I might need to bump my front rate to compensate for the reduce in drag on my front suspension with mikes bearings... I run 22 mm front bars and was thinking about stepping up to 23 mm front bars... the conversion email (looks like walt Fricke's work).. shows a 22 bar at: 210ft lbs and a 23mm bar at: 250 ft lbs... I am realistic, and know that I'm just looking for a starting point and then will have to dial it in on the track... hey have I thanked you all yet today for all of the free advice????? thanks.... brant |
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Posts in this topic
brant front spring rate question? Jan 9 2003, 10:01 AM
mskala Brant,
First I have to say that I don't unders... Jan 9 2003, 02:19 PM mskala Oops, here's the old post:
----- Original Mess... Jan 9 2003, 02:21 PM Brad Roberts Brant,
4 or 6 cyl car ??
I run anywhere from 250... Jan 9 2003, 03:45 PM brant Mark,
that is exactly the old email I was thinki... Jan 9 2003, 03:49 PM Brad Roberts Your on the right track.
Problem is: the drag is ... Jan 9 2003, 03:54 PM Brad Roberts Yes on a 6cyl car. No on a 4cyl car.
The sixes te... Jan 10 2003, 07:37 PM campbellcj |
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