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Just got home from working on car and checked rear steer and it is set at 1 1/8". J-bar has 4.5" drop(Left chassis mount and ride side of pinion.
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How are you checking steer? When something is that far off standard I always stand back and give it the eye. You can tell if it really has that much by backing up behind the car and looking at the wheels.
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60". Motor also has been moved back to center. Have made some changes and will get car back on track in a few days. On a side note: How many RPM drop from a 6:48 to a 6:02?
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4-500, but that will vary depending how your car handles.
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OK, been gone for awhile. Ran car 2 weeks ago with some changes. Swapped springs in front(650 RF- 550LF) Car still uses all but 1/2 to 3/4 inch of travel. Also car had 165# of LR before and started out with 100#LR. Car entered a lot better but pushed on throttle at apex out during heat race. Took more LR out(about 35#) Car enters good and will take throttle immediately but at apex pushes straight to out side of track and I have to get off gas and back on. I race again on the 24th. Took a little more out of LR(now 50# LR). Also moved RR bar up one hole and changed RF to a 600 spring. Also noticed my rear stagger is only 1 1/2 inch: really want more like 2 1/2 inch so I'm going to my new tires for rear and see if I can get my stagger right.
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More rear stagger should help your apex.
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Are your spear rods mounted on birdcages? If so, are they floated or solid? Thanks, just curious how you have so much drive.
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On cages and floated. Has hellatious bite coming out. Now if I can just get it all the way around the corners. LOL
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Thanks for the info. I think your going the right way with less bite and softer rf spring and more stagger.
Is that car a converted 3 or 4 link?
Last edited by drtrkr244; 04-16-2015 at 08:25 PM.
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Sorry to sound dumb, but what the Heck is a spear rod set up? I've never heard of such a thing lol
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Basically, the trailing arm looks like a Y, which hooks to the top and bottom to a floated birdcage. Usually , you see them where a track allows only a 3 link.
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seen that done on the RR, but never both sides.
Were are springs? top of tubes, or on birdcage?
I think there should be lifeguards in the genepool.
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Both on cages. LR short rod, RR long approx. 5 foot.
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Aah haa! You are probly not making enough roll steer with that long of a trailing arm. You might have to shorten the rr a lot or put a lot of angle in it. I have seen that setup on asphalt cars, trying to minimize roll steer.
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Had a practice day. Car was bad fast off the trailer. Only change I made today was changed RF spring from a 600# to 550#. Slightly better turning in. Going to buy a 500# and try that Friday. Track was dry slick so I think I'm in the ball park now and can try some small changes from here. What a relief to be able to drive car and not just along for the ride to wherever it wanted to go.
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Had a practice day today. Car was bad fast off the trailer. Only change I made today was changed RF from a 600# to a 550#. Going to buy a 500# and try that Friday. What a relief to be able to drive car instead of just being along for the ride wherever the car wanted to take me. Track was dry slick so I think I'm in the ball park and ready to make small changes.
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