I'm getting my new 418 going .
My ?? is have you used a SUPER SPRAG verses the standard bolt in sprag. With the extra rollers and springs have you saved the cases more and do you need the template for drilling this in?

I'm going to update to a 1350 ujoint DRIVE SHAFT setup and billet yoke and slip yoke to beef up the driveline more.

After that will that griner lba brake save the trans even more???Or one over the other ?
i have a old griner from mid 1990s
looking for 1.30 to 1.32 60ft low gear 727
thanks don

5040328-Beechbend.jpg (224 downloads)
2009 418" build dan smith built new 9.96 131.82 6.23 108 1.30 60 foot best to date 9/15/09 8in 727 430 dana 2860 lb 3040 lb w driver