St300 vs th350. Jul 17, 2015 · If it is a 2 speed, it's an ST300, but it wouldn't be a switch pitch. What needs to be done to make the column shift work? What about the kick down switch? Thanks for your help, Jeremy I like the low first gear in the TH350 but I also like the switch pitch in the ST300. Cost difference to rebuild these is negligable so that doesn't matter. It's my understanding that the drive shaft and crossmember bolt up. For those of you that have made this swap. If it is shot (and maybe if its not) I'd like to swap in a TH350. What did you do about the kick down linkage? Are the tranny lines the same? Any problems with the dipstick tube? Did you notice a nice improvement with the lower first gear? Apr 25, 2023 · So I've removed the st300 from my 68 skylark, now I've come down to swapping it out for either a th350 or th400 , this car has an inline six in it already, I'd just like to use it as a nice cruiser. Oct 28, 2018 · I have a 68 Lemans convertible with a Pontiac 400 and a ST300 2 speed and I'm wanting to swap it out for a TH350. 76 and for the th350 its 2. 52. Which tranny would you rebuild/use and why? Thank you for your help!. Will this bolt right up or will I need to move the transmission cross member and/or shorten my drive shaft any? Oct 24, 2012 · I see that the first gear ratio of the ST-300 is 1. You shouldn't have a kick down cable, the ST300 uses an electric kick down same as the ST/THM/400. Jun 2, 2003 · Is this tranny shot? It was supposedly rebuilt shortly before I bought the car. Sep 1, 2005 · What would be the advantages of replacing a ST 300 with a TH350 in a stock 65 Skylark 300 ci. nznphtuworwpdaxpmfyagdcclwqepzptptoeizdtowmtmomh