Leaf Spring Pinion Angle With Caltracs

The best advice here is trial and error and for. Leaf spring pinion angle with caltracs. The opposite angles of the tailshaft 1 and pinion 1 under power will keep the driveshaft in.

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Make all settings with the driver or something of equal weight in the driver s seat and the car race ready.

Leaf spring pinion angle with caltracs.

When you measure your driveshaft angle e g 1 5 degrees down and the pinion angle e g 3 5 degrees up in the opposite direction adding the two together represents 5 degrees total negative pinion angle. Well that doesnt really make sense we are running the caltracs in the lower hole and a 3 16 gap and the car 60fts the hardest with this setup. In most factory production cars to. Jump to latest follow.

For a leaf spring application we ve seen as much as eight to ten degrees of pinion angle necessary for proper driveshaft alignment under power. The car must be setting on all four tires inflated to race pressure. You must have something else on there now with your multileafs. You should offset the neg angle of the trans by making the angle on the diff pos with 3 being the max amount of misalignment between the two.

Maybe one of the leaf spring guys on this board can chime in but i m not sure the cal tracs would allow 4 degrees of housing rotation so your initial setting may need to be less than 5 degrees down. Masuzi february 26 2020 uncategorized 0. The bud that welded my spring perches did them at 6 he s old school and my trans is 4 for a total of 10. Works pretty good though so i might just keep it this way.

Autosmiths llc 69 x44 stock 350 for now th350 3 70 1 gear 8 5 10 bolt auburn posi. We ran the car last week at irwidale and it 60ft time was a 1 38. With caltrac s the pinion won t rotate like it would with slappers or stock springs. Caltracs rear suspension kit caltracs rear suspension kit caltracs rear suspension kit caltracs.

The figure you re looking for in your initial static pinion angle is the estimate that the housing is going to rotate while under power to let the pinion angle be 1 degree under power in your case. A reasonable amount of fuel should be in the tank typically half full. I fabbed an adjustable pinion snubber to do me while i save up for bars. Caltracs with multi leaf springs.

My only reasoning is why this works is the pinion angle is set with the caltracs against the springs so i may be shocking the tires harder this way. Caught in a bind eliminating leaf spring binding with calvert racing s caltracs rear suspension kit mopar connection magazine comprehensive daily resource for enthusiast news features and the caught in a bind.