I've read in the past that a 350T is too 'tall' for the trans tunnel & the steering shaft may cause clearance issues. I got a '41 4 door & have thought for years about this swap
I would believe that as the 700r4 was too tall and I had to do a pie cut and add a wedge of metal to clear the trans but it wasn't too hard to do.
Not so, only the transmission cover requires modification (or replacement with the EMS(?) version). The mod, as I did it, involves splitting down the center (leaving the perimeter intact) and bending outwards (think open thorax surgery!!) and welding in suitable sheetmetal to increase the height. There's no issues with the width or length. A quite easy job. But the trans can be fitted lower and avoid this but that gives oil pan / ground clearance issues if the car is lowered. No issues with the steering either, but with the stock brakes it does get crowded! Chris
Easiest swap is a later 53 up 235 or 261 six with insert bearings and full pressure lubrication. There is a chance you already have the 235, it was a common swap in those cars when the original engine wore out. Either will give decent performance and not overwhelm the original trans and drive train. Rear axle or gears from a 1951 - 54 Powerglide Chev will give you a 3.55:1 rear ratio and happier hiway cruising. The same gears are available new for $180. Next is a small block Chevy V8 which will bolt up to the stock trans IF you have the correct trans case, there are 2 with different bolt patterns, the one you need was used in cars and half ton pickups 1942 - 54 more often seen in pickups for some reason. The guts of the trans are the same just the case is drilled different. The right one will bolt up to any 55 up Chev manual trans bellhousing. Some mods to the engine compartment are required, this has been covered several times before if you do a search. Most complicated is to replace engine, trans, drive shaft and rear axle with an open driveline as used on 55 up Chevies. One problem is the odd way the rear springs are mounted to the frame, with shackles at both ends. This must be changed if you go to an open drive. I'm sure this swap has been covered too. In case you are wondering, I have a 42 Chev and already got a 261 for it and am keeping my eyes open for the later rear axle. If I find a suitable car I will get the front spindle supports and brakes as well. Newer Chevs have bigger drum brakes and the suspension is lowered a little.
I too am thinking 350 V8 chev w th350 trans and 9” diff w air bag suspension lower pillars 2” drop roof on my 1937 style master currently rolling shell. Anyone know good doner car use for all the internal panels wiring steering etc… located in QLD Australia
I’m putting a v8 in my 47 and was wondering what motor mount kit did you use to swap yours thanks for any and all help
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