I can’t remember asking this here: we have an S&W soft tail dragster for my son. Pushing it around on flat ground the wheel will turn right. Quite a bit. Rear end is centered and straight. Car strings straight. Rack snd steering are straight and centered. Wheels/tires are straight and have just a little toe in. Seems like all the normal stuff checks out. It pulls a little going down the track. Nothing looks odd looking at the car
Foxtrot Juliet Bravo
Posts: 6517 | Location: Illinois | Registered: July 08, 2004
Everything said above I would also check the rod ends that make up the tie rods and if the steering shafts have any u joints might want to peek at those as well
Posts: 442 | Location: Natick MA | Registered: November 15, 2017
No ujoints in the steering. Tie rods are not at all loose. 1/16 or so toe. I have not measured the roll out. But these tires came off my other dragster, which had no issue with this. i gotta say it's a head scratcher.
Foxtrot Juliet Bravo
Posts: 6517 | Location: Illinois | Registered: July 08, 2004
Try a bit more toe in, I have a friend that her dragster front would always hunt going down the track, change toe in to 1/8 per side, 1/4 total and the car goes straight down the groove now and no tire scrubbing. That little change made it a whole different car to drive. Be worth a try, its free
Posts: 2660 | Location: Moving back to the door side | Registered: April 30, 2010
If a simple toe adjustment does not help, since it a 4 link car you could always add some rear steer to the rear end housing. When I first switched mine to top dragster the faster I went the more the car wanted to go left in the middle of the track, rear steer cured that once I moved the housing the correct way as I was looking at it all wrong at first.
Posts: 2660 | Location: Moving back to the door side | Registered: April 30, 2010
Rollout within 1/4". It's just weird that even pushing it in the lanes, it will pull right. No stagger. I could stick a little more stagger in it. When I bought the car, the front tires were worn. I have a feeling that the PO had the same issue, and used more toe in.
Foxtrot Juliet Bravo
Posts: 6517 | Location: Illinois | Registered: July 08, 2004
I would try swapping front wheels and see if that changes anything and makes it go left.
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Posts: 4461 | Location: United States of Texas | Registered: April 02, 2011
Originally posted by bry-war: If the left spindle is slightly lower or a significant amount of weight bias than the than the right it would push to the right due to caster.
Caster was my first thought.
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Posts: 3293 | Location: KIEFER, OK. | Registered: August 17, 2007
https://postimg.cc/gallery/np3zpruo/ "Dunning-Kruger Effect" -a type of Cognitive bias where people with little expertise or ability assume they have superior expertise or ability. This overestimation occurs as a result of the fact that they do not have enough knowledge to know they don't have enough knowledge.
Before you argue with someone ask yourself, "Is this person mentally mature enough to grasp the concept of a different perspective?" If not there is no point to argue.
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Posts: 4461 | Location: United States of Texas | Registered: April 02, 2011
