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Stoffregen Motorsports

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Stoffregen Motorsports last won the day on September 5 2019

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About Stoffregen Motorsports

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    Datsun Mechanic

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    Cool, CA
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  1. You all need to consider travel. If the shock is more adjustable, or a shorter spring is used, will there be enough travel? Ideally, you would have a long shock with lots of travel, and the suspension only limited by the bump stop. In a perfect world, the amount of travel on the shock and spring would be the same as the amount at the bumpstop, but the bumpstop should do the limiting, not the shock.
  2. You can shift it with a screwdriver with the cases off.
  3. I usually tap the guide holes to 1/4-28 and use grade 8 bolts. The stock 6mm bolts have been known to break over time.
  4. Again, that's the beauty of the panel bond type epoxy sealer. It flows into the seam and actually bonds to the metal. New cars are built this way with spot welds used to hold the panels while the bonding agent dries. Once it hardens inside the seam, it would be decades before it would begin to fail, and only in harsh conditions.
  5. I like the tire size. Not too big, not too small.
  6. Always bench shift the trans before you put the cases back on. Sorry I didn't catch this sooner. I may have saved you some trouble.
  7. Welding shrinks metal, period, so unless you are experienced with the process, it can be a real mess. The best way to weld it would be with a TIG as the heat is very focused. MIG heats too much surrounding metal resulting in shrinkage. Sometimes you can control the shrinkage with short stitches and cool off with air, but the quick cooling then hardens the metal which can lead to cracking. Even if you successfully welded the seam. how would you finish it? Would it be completely smooth or do you want to see the body line? If smooth, that's a lot of welding. If you want to see the line, how do you get in there to grind it out? Here's a link to the SEM epoxy I use - https://www.semproducts.com/product/dual-mixtm-self-leveling-seam-sealer/sealer And here is a shot of the cowl to firewall seam on the CJ5 I restored a couple years ago. I'll post one of bare metal and one after paint so you can see how nice the epoxy works.
  8. That lower valance is hideous. I'd be surprised if he gets any offers.
  9. Welding has too many pitfalls. You run the risk of panel warpage with a seam this long.
  10. Self leveling seam sealer. It's a 2 part epoxy that bonds as well as seals. It was made just for this type of application. You need a $60 applicator gun and the epoxy itself is about $60 per tube, but one tube will probably do the whole bed. There are tricks to using this epoxy. I tape both sides of the joint with green tape and pull it before the epoxy starts to set. If you pull it too soon it may drip. If you pull it too late you run the risk of either pulling the epoxy with it or never getting the tape off. Once the tape is off, if the epoxy has any imperfections, you can smooth it by dipping your finger in some thinner and run it along the seam. One drawback to this is that the self leveling sealer works best while laying flat, so it would be best to rotate the bed so the side of the bed is horizontal and do one side at a time.
  11. Could you modify the lower control arm to lower the shock mounting location? I see about two inches there. Theory is great, but there's also this thing called packaging. I've had people ask me what suspension design software I use on my link suspensions and I tell them that software is only good for basic layout. It still has to fit in the truck.
  12. Throw away a good 510 oil pan? Those are getting to be worth some money.
  13. One aspect of "high performance" steering wheels people don't often think of is rigidity. I replaced the stock wheel in my 320 with a Moto-Lita and was amazed at how the stiffer wheel made driving the truck easier. Since most early trucks have bench seats, you use the steering wheel as a grab handle when cornering, and a floppy wheel is not confidence inspiring. The stiffer wheel actually made driving the truck easier in the corners.
  14. Strange color combo. Looks like an ice cream truck.
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