Technical Favorite Engine Conversions...

My 355 SBC in my Austin gasser makes 375 HP more than the original flathead 4 cyl. did. But then it was only 20 hp, so anything would be better!
And the 355 SBC I built for my '39 Chev gasser makes only about 350 HP more than the 216 with it's massive 78 HP!
My '63 Falcon I took out the 144 ci six, and replaced it with a 550 HP 464 CI BBC for a little more HP.
I still think as common as these swaps of SBC and BBC are, they're one of the best swaps still.

 

350 olds in my 41 ply.Hasn't missed a beat in over 30 yrs.

 

Olds 303 in my '40 Convertible

 

Not sure if its my favorite swap, but swapping out a non running 331 hemi for a running 331 hemi in my 51 Merc.

 

I did a "Burtz" Model-A motor for Mr. Morris last year and swapped it in with a '39 trans. and a Cline adapter. It cruises about 75 mph real easy. That was pretty cool!

 

My favorite swap is a SBC into almost any mid fifties or older car.

 

I do also have a bit of a fetish for w engines(348 and 409... honestly either makes me happy) into earlier cars. Had briefly considered a 348 in my 53

 

I put 460s in everything but my favorite conversion was installing a GM 6.2 diesel in my Jeep J10 pickup, did that in 96 and still driving it.

 

Here's an interesting conversion for a Bonneville Class.
Clarence Everett put the Flathead from his 17 year record holder Street Roadster Class
into a Camaro body because he said it was lots slipperier.

 

My buddy has a 409 in his 27 Model T.

 

Nailhheads in my roadster and like "Ivo's " T, here's mine

 

I like yours better than Ivo's!
Can't beat the Nail head.

Ben

 

It's been discussed from time to time — for instance:
https://www.jalopyjournal.com/forum...bination-youve-ever-done-seen-been-in.150394/

 

My favorite swap was putting our 265 in my 59 Rambler American 2 door. The engine was from our 280 hydroplane and was bolted up to the Rambler’s 3 on the tree w/ electric overdrive. Ran into a single cherry bomb muffler it was the perfect sleeper for a 16 yo that still had a lot to learn.

 

My favorite swap was a wee bit OT but sbc/auto to bbc/muncie in a lightweight Nova was a big change. 3.08 gear to 4.10 gear was also a huge difference

 

I swapped the 3.08's for 4.11's in my 57 when I was a 16 year old kid, felt like I put a blower on that tired 283.