Dimi 944

Picked up a '89 S2 3.0L engine locally for a really good price. Planning to clean it up, beautify it a bit and tune it up before I drop it in my '86 944 NA. Will be keeping this post updated of the progress. I believe I have all the parts. Let the fun begins....

lart951

perhaps one of the best if not the best upgrade for a 944 na, remove all the unnecessary weight lean the car to 2600 lbs and you got your self little monster

Dimi 944

Hear, hear!

Rudeboy42

Oh boy! I love a 3.0L swap

Giantviper

Very Cool. Good Luck with the Swap. I look forward to the updates.

Dimi 944

I was able to start the preparation of the 3.0L motor. Even though the previous owner had replaced the chain tensioner pads (4-5 years and 5-6K miles ago) when the head was rebuilt, I believe I have to replace them again. Also, I found that the distributor cap is shattered and the valve cover is cracked - surprise!

FRporscheman

The s2 flywheel trigger is different than the 8v 2.5 engine. So aside from just the S2 engine, you also need the S2 flywheel, clutch, pressure plate, release bearing, and computer.

While you're working on the engine, I highly recommend you at least consider adding a chain tensioner mount in the head. The S and S2 heads are notorious for those tensioners snapping off because they only bolt down on one side. You can have a welding shop add a boss of aluminum to the other side, mill it flat, and drill/tap a hole. Same thing on the tensioner itself - add a steel boss, mill it, drill it. Just something to consider.

Dimi 944

I do have the rest of the parts needed for a complete conversion including the resistors and the ignition switch unit. I will consider reinforcing the chain tensioner.
Thanks!

Dimitri_944

i cant wait to see this! this is the plan for my car.... unless the ls3 gods persuade me

RonnyÅ

I have a 2600 lbs car with an S2 engine, and that is pretty damn fast!

FRporscheman

OK gotcha - I just wanted to be sure since I didn't see the flywheel in the pic.

I had 2 friends with S2s and they both seemed more peppy than any 968 I'd been in, so I think you'll enjoy it. When I started AX, my instructor drove a 924S with a 944S2 engine, and he said he would often win his class!

Lemming

Good luck, they are fun cars, still miss my Franky I (924S with 968 engine). You will want to upgrade the brakes while you are doing it. The 968/951 brake setup works well.

Dimi 944

Thanks! I did the break upgrade 3 years ago - 951 brakes all around. I have always liked my overkill brakes with the underpowered 2.5L NA. Now they should match the horsepower

FRporscheman

I've always been amazed by the 968 brakes.

One thing I've always wanted to try is an S2 engine with a 968 intake manifold. Most of the extra 28 hp supposedly comes from the resonant intake, and it would be cool to actually quantify that. I read a brochure once that stated the variocam only adds 3-4 hp. Between the 0.1 bump in compression, and the larger intake valves of the 968, I would think the key component is the intake.

You can have so much fun with these lego parts......

Dimi 944

More work has been completed on the engine preparation. Disconnected almost everything from the motor to have it ready for cleaning. I have discovered more "surprises" along the way. I have to repair some of the wires on the engine harness and the replace the AOS because it is cracked
I cleaned up some parts and hardware. The rest will be sand blasted and painted or powder-coated.







More to come.