Don Nguyen

I should move to Texas then, haha.

Depends on what is considered reasonable. Having a/c and heat is not going to really add any costs to the swap.

I am still trying to search for the 964 wiring diagram if anyone has it. I mainly need the ECU and the fuse box engine bay wiring diagrams.

If I had to guess, the E36 is probably harder, since you had to integrate more wires into the harness. 964 doesn't seem like it is going to have many things required to be hooked up from the body to the engine.

Yes, I still have the car. It's in the background in the first series of pictures I posted.

-Don

964X33

Don, The wiring diagram can be found online in the Porsche 964 Workshop Manual. PM me your email if you can't find it.

HiWind

found this yesterday ... 964 DME to engine wiring diagram

Ruf964

the 964 ls swap is not hard at all. wiring integration is not necessary. use a ls stand alone harness with 5 wire hookup. leave the porsche ecm in place and operating the car and dash. use the porsche engine sensors adapted to fit the ls motor. easy peasy. as far as cost, it could be as cheap as a junkyard ls truck 4.8 or 5.3 for 250.00 to 600.00 with accessories, harness and pcm, or as much as a crate ls7 for around 15grand or so, depending on what accessories you get with it. either way its cheaper than a proper full 3.6 engine build. the renegade kit is the most thorough if you just want to buy and install with no hassles for around 2600.00. but if you have some diy skills you can do it for less than 1/3 of that. a 4.8 or 5.3 truck motor is around 300hp stock and very cheap to buy. a ls1 is around 3000.00ish used. a ls2 or ls3 crate engine is 6000. to 8500.00ish depending on accessories, so on... again isnt a hard swap.

Ruf964

and as far as regulations to run the ls in a porsche chassis... there isnt any that im aware of. maybe california would differ but usually the ls will burn cleaner than the 964 engine. one reason porsche went to water cooled motors is the air cooled motors were harder to smog. i think in cali they do a smog and a visual inspection. but i have heard you can get around the visual if you know someone. $$$

Damian in NJ

Subscribed.

Alex Sol

Subscribed... very interested in doing same swap. LS1 for sure.

Don, can you tell us where you're located??

Alex Sol

the 964 ls swap is not hard at all. wiring integration is not necessary. use a ls stand alone harness with 5 wire hookup. leave the porsche ecm in place and operating the car and dash. use the porsche engine sensors adapted to fit the ls motor. easy peasy

do you have a budget for:

air con from renegade or use the 964s or the GM?
radiators from renegade or fit the GM ones?
clutch / tranny - throw out bearing, clutch plate, ring gear, pressure plate?

Don Nguyen

Did not really get any further progress on the Porsche this weekend. Instead, I chose to autocross my E70 X5 with the BMW CCA group. Gotta make sure all of the tools in the shed are sharp. There were a total of 13 cars in my class, I came in 5th. Got beat by three turbo charged 135//335s by about a second and lost out to first place (2013 335i) by 3.5 seconds on a ~60-65 seconds length course.

Here's a video of my run. The video was kind of quickly put together. It's been a long while since I last did any sort of video editing. It was also my first time using my new gopro hero 3s to shoot video with.

That's not to say I don't have any pictures of my Porsche that I can't share with you guys though. Nothing special, but at least it gives you something to look at.

This picture is from at least 4 years ago when I was first test fitting wheels on my widebody E36 M3 and for fun I put the wheel next to my Porsche to see what it would look like.


Here's a more recent picture of a different, but similarly sized wheel on my Porsche, to gauge roughly how far out my flares are going to have to be.


-Don

kylejohnston1

Don,

I too have been tempted by the swap. Few questions for you:

Are you planning to run heat & AC? If so, can you share the details? I live in Houston so AC would be a must.

What front bumper are you planning on using to accommodate the radiator?

I just posted these same questions on Ruf964's LS conversion thread.

Thanks!

Kyle

Don Nguyen

I'd ideally like to have heat if anything. I most likely will try to get A/C in there as well, since it shouldn't be that much more work (it's mainly running the lines that's the hardest part, imo).

I will be using a factory bumper.

-Don

Ruf964

for ac use the gm ls1 compressor and the 964 lines and rest of 964 components. take the 964 ac lines to a hose place and have the gm ends installed on them. for heat, use a hot rod inline heater with stainless box and blower. i have a griffin 3 core aluminum radiator that was designed for the chevrolet s10 ls1 swaps, fits in the front of the 964 well. cost was like under 200.00. tranny is the g50 964 trans, 964 to, 964 kevlar clutch, 965 pressure plate. i will gladly answer anyones questions. but this thread is about the op's build. if you have questions ask in my ls7 build on here or pm me. dont want to muddle up dons build anymore than i have. sorry don.

edit; my ls7 964 build does not have a limited budget, budget is unlimited. although i am doing several ls1 911's currently and 2 of them are limited budget builds on purpose.

Don Nguyen

No problem. The questions are relevant either way, so it's not a big deal.

How much power do you plan on making? I am trying to figure out what clutch to go with.

-Don

Ruf964

don, im going to be in the 600rwhp area. i took a factory solid center 964 sachs clutch disc to my local clutch rebuild store here in okc and had it relined in kevlar. kevlar will hold around 650ish or so. so im on the outer limits likely. but i dont want to go twin disc. i can get the g50 964 discs relined in kevlar for around 225.00 on top of the disc price. i have a few cores i could send off i guess if ppl are interested.

Ruf964

another clutch trick is to use a 964/965 pressure plate. start with a new one and a used one. take them both to your local clutch rebuild store. have them take the straps off both pp's and put 3 per location back on the new pp. it starts with 2 per location. this will make the lbs per square inch stronger by about 400-500ftlbs on the pressure plate without making the pedal effort much more.