Megasquirt a1965 Cadillac?

I keep having the thought to install a GM TBI throttle body on the original 429 in my 1965 Eldorado ragtop, in the interst of better economy and drivability, especially since it may be my daily driver soon . Does anyone know if a megasquirt will run a TBI properly?

Yes.

Here's an example of TBI on a Nova at DIY Autotune.

EDIT: And while I haven't done a TBI, my Megasquirt experience on my 2002 is the grounds for my hoping to never keep a carb around for long again...

Thanks for that link

There are a couple of cadillacs running the easyEFI on the 500ci motor's. It just drops on in place of the carb and at ~1200$ might be cheaper then tracking down all the parts and spending your time with the TBI

Does anybody know how hard the DIY m'squirt kit is to build?

I do not know how to build a megasquirt, so I might not be of any assistance. My friend Roger built a chevy 283 with high compression pistons, aluminium heads, big valves and some manner of performance camshaft. He installed a Holley TBI (Pro-Jection?) that seemed to work well . He put the engine in a 69 or 70 Corvette. I imagine a Cadillac would be as easy.

From http://www.diyautotune.com/faq/faq.htm

It takes most people new to electronics assembly 6-10 hours for their first time assembly of a PCBv3 ECU, a bit less for a PCB2.2, and the stimulator (which you should do first) is very simple and takes maybe an hour to assemble for a first-timer. I'd recommend going to www.google.com and querying for 'Soldering Technique' and reading up a bit, and maybe pickup up a cheapo practice kit if you want to practice your technique a bit before starting in on the MegaSquirt. Check out Youtube for some good solder technique videos like this one. We do often recommend you build your own MegaSquirt at least the first time around as it will familiarize you with the hardware particularly if mods are going to be required for your implementation. This way it's not all new to you when you get to the mods needed for your setup.

Personally, I think they're pretty easy if you can solder and follow directions.

On a side note, if you were interested in running spark control as well you'll probably need an HEI distributor with a 7-pin module (unsure of what distributor you have now) there are conversion writeups available on the interwebz if you have a 4-pin HEI distributor (as I recently found out). I'm planning on doing roughly the same thing on my '66 Impala (inline-6 though, not 429).

Also, I found Cramer and Hoffmann's book to be well worth the read.

The MS1 kits are pretty easy to do. I don't have any experience with the MS2 kits.

you can get some pretty amazing mileage numbers out of a properly set up quadrajet carb, and it will be cheaper than the Megasquirt,,

I think my 1966 Caddy sees about 14 mpg at a 75 mph cruise if memory serves. That's with a stock Quadrajet and an MSD 6D ignition fired by a Pertronix Ignitor.

if you've got some basic soldering (circuit board type stuff) experience the MS1 v2.2 is simple enough... if you don't buy a soldering kit or 2 and play first... but it's not hard... pay close attention to the build instructions and you should be fine...

if you are going to only control fuel it should be pretty stinkin simple... adding ignition control adds complication... I'd consider sticking to mechanical ignition... at least at the beginning... I enjoyed building mine...

I found the most difficult part to be building the relay cable... it saved me $40... but next time I'll splurge...

as for a TBI... that shouldn't be to big of a problem... there is likely an adapter already built that simplifies things greatly http://www.jegs.com/p/Trans-Dapt/Trans-Dapt-Performance-Products-Carb-To-TBI-Conversion-Adapters/1067206/10002/-1

I still have the complete TBI from my tech4/iron duke in hopes of one day "needing" it for a yugo or something similar lol...

I love 65-66 caddys..so post few pics will ya guys