So I've reached a crossroad with my Cadillac. I brought it to my local mechanic to have everything looked at. Well....... there are some issues with the motor that need to be addressed and I am curious to know what your guys thoughts are. I want to be budget conscious but also not have to worry about anything else motor wise again. I have some options and I don't quite know what the best path to take is. 1. Rebuild the 429 2. go with a crate motor 3. LS swap. I am by no means an expert and don't quite know what is should do, any advice would be appreciated.
I am having engine issues too. Mine was destroyed when I got my 64. If you do decide to go with a different engine, please post on here or classifieds. I need a block and may be interested. Tim
My option ( you did ask ) is to go with the LS series of engines only if your stock engine is done ( beyond repair )
You can sell off your engine and the trans to recoup some dollars towards the LS engine swap to help that
If not done —rebuild your year 429 as that SB less expensive to do but the quality of the rebuilders workmanship is the issue at this point in time to me
The new parts only— to rebuild the 429 engine SB in the 3,000 dollar range
You can get 650 HP with some LS engines coming out of a salvage yard these days and you will need the trans also
You cannot have it both ways —as having a new reliable power plant that will be trouble free for the long haul is expensive even if you do all the work yourself
I own my 64 convert for 57 years and the reason is the way the 429 performs behind the Turbo 400 trans ( the torque this combo produces for a gasoline engine ) in my covert and the cars amazing style
There are a small number of guys on this site that have swapped to the LS engine and hope they might chime in if around
My car is more stock than not and that is just the way I like it and enjoy what the car has to offer
A lot of high quality parts and engineering went into the Cadillacs in these years
Being out and about in these cars should be the goal as that has been is an amazing experience— every year I have owned my covert right up until today
These are very special rides for a special car savvy Classic Antique Cadillac community
Imagine doing a full EV-conversion.
These cars would be perfect. A good sturdy frame. Lots of space in engine compartment and trunk. You could easily fit enough batteries for a couple of hours drive. Maybe more.
Getting awesome acceleration. Cruising without any sound. Charging at home and not having to pay extortion rates at the gas station.
GM is supposed to start selling an EV-crate system this year. If it can be done in a Blazer it sure can be done in a -64 Cadillac.
1981 Chevrolet El Camino (El = Electric?)
You can find out more about the newly released LS replacement engines - 6.2 - that are just now available from Chevrolet Performance .com if that is a consideration for your replacement engine
You will need the correct trans behind that engine
They can be supercharged or turbo charged without modification to the replacement block if desired to produce serious HP