I love 968's. Especially the Turbo S. Ahh. Turbo S...

vista.pca.org/stl/968t.htm

Newflash Porsche didn't make an 968 in 1997 and in 1996 they only made 5 of them. The last year they were made was back in 1995. I like the 968 Turbo RS the best only 4 made.

Yeup, last model year was 1995. In mid year 95 they made a few, which sold in 96.

I know how to custom turbocharge the 3L 16V motor! I just need a 968 motor now for my car.

Originally posted by Seb928S@af
Newflash Porsche didn't make an 968 in 1997 and in 1996 they only made 5 of them. The last year they were made was back in 1995. I like the 968 Turbo RS the best only 4 made.

They made 12 of turbo S and that's what i knew before , but what is a turbo RS?

the race-only version

Originally posted by crayzayjay
the race-only version

I see , thanks...

sorry, was in a bit of a rush so couldnt expand on that..
so yeah, the Turbo RS is the race version of the Turbo S.. its very rare, only 4 made... 340bhp and low 4 secs to 60... very very nice car....hell, here's a good site, u can download a clip about it too :)
http://www.968turbo.homestead.com
cheers

Originally posted by Tom_S8


They made 12 of turbo S and that's what i knew before , but what is a turbo RS?

They made 14 of the Turbo S. The 968 Turbo RS is the best and fastest water-cooled porsche besides the new 996 types so let me say it's the fastest water-cooled front engine porsches.

Originally posted by Seb928S@af


They made 14 of the Turbo S. The 968 Turbo RS is the best and fastest water-cooled porsche besides the new 996 types so let me say it's the fastest water-cooled front engine porsches.


They made 14 , you're right...

The problem was that the factory turbos used a 2V head, either off of a 951 or a 944 2.7. I have heard from different people about this head thing, but it was most assuredly a 2V head.

I have talked to a few people who have done 4V turbo jobs. Expensive, yes. But not as expensive as the 2V conversion, you lower the compression, through either rods or pistons($2000), and add a custom intake($500) and used turbo($1000 with intercooler), and a custom header($1000). You might want to go to bigger exhaust too!

Shops charge $20,000 for this

OK i'll go a little off topic on this , but ... a friend of mine , who owns an auto shop bought a porsche 968 (not the turbo) just a regular model with 3.0 and 6-speed , blue , grey leather , really nice car , and whe said he'll drive it himself... The only problem with it is that it has burnt engine bay... the engine is a piece of junk , not many parts will be usable out of it... so he has to fit a new engine in it... and he he has a 5.4 928 engine with trans in his shop , and he wants to find a way to put that in , i have a question , will that screw the car's balance by much? What weight is the stock 3.0 L4 versus the GTS 5.4 32V V8? If it won't screw the balance by much , then it will be one fast car , probably even faster than stock 968 turbos...

The story is, that when the Porsche engineers needed a new engine for the 944, they were alocated extremely limited resources, as most of the R&D money had gone into the 928. So they took a 928 V8, and cut it in half, added a new crankshaft, and a bit more metal to the casting.

The 968 motor was a 5.4 DOHC GTS motor cut in half. It'll weigh a little less than twice as much as the 968 motor. The stock 3L turbo made 369 ftlbs of torque, at 3000 rpm. Thats as much torque as the 5.4 928 V8, but with a substantially wider powerband.

A good turbo 3L makes about 450 ftlbs, and around 550 hp. These are crazy motors, with VVT, 4 valves per cylinder, and a BIG turbo.

He should see what he can salvage, if he can get enough good parts, he could build a nice turbo motor

Originally posted by Cbass
The story is, that when the Porsche engineers needed a new engine for the 944, they were alocated extremely limited resources, as most of the R&D money had gone into the 928. So they took a 928 V8, and cut it in half, added a new crankshaft, and a bit more metal to the casting.

The 968 motor was a 5.4 DOHC GTS motor cut in half. It'll weigh a little less than twice as much as the 968 motor. The stock 3L turbo made 369 ftlbs of torque, at 3000 rpm. Thats as much torque as the 5.4 928 V8, but with a substantially wider powerband.

A good turbo 3L makes about 450 ftlbs, and around 550 hp. These are crazy motors, with VVT, 4 valves per cylinder, and a BIG turbo.

He should see what he can salvage, if he can get enough good parts, he could build a nice turbo motor

Yeah i knew that already , but the V8 could be even heavier because many of the parts are in quanity of 8 instead of 4 , besides the whole engine block and the cylinders etc. basic things... How about putting a turbo on the 928? I mean a BIG single turbo , that kicks in at higher revs , because the low end torque of the V8 is more than enough... I know that's crazy , but it just a pure thought , and i think it's possible to do it... Anyway , there is not much more left from the car's engine , but everything else is near mint... Anyway i don't get it , if the 3.0 engine is half of 5.4 then i don't know what i was doing on maths at school ;) , and I've been really good at time... I always was the best in the class when it came to maths or other "scientific" subjects...

I thinky they share the 104mm bore, but the 968 was stroked more. It weighs a little less than twice the weight, because the 3.0 is half of the block, but more like 3/4 of the intake. Also, they have extra metal around the bottom end to hold the crank in.

If you wanted to turbo a 5.4, you'd have the same problems with turboing a 3.0, finding the parts. Fortunately, I've spent the last month tracking down the people who make the parts and can get the necessary pistons. I'm pretty sure the 5.4 has 104mm bore, but I could be wrong. With a good electronically controlled wastegate and computer, you can substantially increase low end torque, by kicking in peak boost at as low as 2000 rpm.

1000 hp from that motor wouldn't be unreasonable, and with the proper boost control, you could drive it every day, at only 4 lbs or so. I figure torque would be around 800 ftlbs. American big blocks, eat your hearts out.

Originally posted by Cbass
I thinky they share the 104mm bore, but the 968 was stroked more. It weighs a little less than twice the weight, because the 3.0 is half of the block, but more like 3/4 of the intake. Also, they have extra metal around the bottom end to hold the crank in.

If you wanted to turbo a 5.4, you'd have the same problems with turboing a 3.0, finding the parts. Fortunately, I've spent the last month tracking down the people who make the parts and can get the necessary pistons. I'm pretty sure the 5.4 has 104mm bore, but I could be wrong. With a good electronically controlled wastegate and computer, you can substantially increase low end torque, by kicking in peak boost at as low as 2000 rpm.

1000 hp from that motor wouldn't be unreasonable, and with the proper boost control, you could drive it every day, at only 4 lbs or so. I figure torque would be around 800 ftlbs. American big blocks, eat your hearts out.

Yeah , but this will work for a 928 , in the 968/944 issue it would be really badly balanced that way... But then come more problems , i think we'll need a dual port wastegate , custom eproms , new fuel injectors , big intercooler (like lindseyracing stage IV or so) and a good turbo , i think that the kokeln stage V turbine on ceramic bearings will work good , or maybe PH K-27-DR , or the PH K800Ror even PH K-29 DR powerhaus products (the PH K800R is a 800 cfm:eek: ) then the cylinder heads and manifold should be improved a bit ,maybe even a devek 6.0 L bore kit, possibly oil/air cooler&separator , new throttle bodies , some performance ignition system plus spark plugs , mass flow sensor , boost tubes , i think that stronger engine mounts won't hurt either , plus do i have to mention a complete intake and exhaust systems (A real full exhaust form headers to the tip everything custom and highest performance possible)...
Damn that sounds like a bit of parts , and a bit of $$$ , too... anyway who makes the necessary pistons? The parts i mentioned would cost around 10k$ for the engine and gauges&sensor... but come to think of it , there is no problem with the balance , because all of this stuff won't fit in a 944/968 anyway... But then 10k $ is a lot of money , but that goes for the engine alone , but youy'll have to get a nice clutch , like a fvd twin plate with new pressure plate , realese bearing , flywheel , starter ring gear , guide tube , clutch fork and new good bolts to keep this thing in one place ;) ... But then i remember when we stripped a 928 with that friend in his autoshop then he judged the gearbox is good for 500 hp , i remember being quite amazed , but now we're talking about pushing twice more than that... I don't know what is the strongest gearbox for road cars made , but i think it will be needed in this case... :devil: ... Btw still there is a full suspension upgrade needed , some nice wheels and a wing... Not a rice wing , something like the carbon adjusted wing on www.928gt.com for 1199$ :rolleyes: .... It would be one hell of a car , crazy thoughts keep going through my head... You know how i figured out that it won't fit in any 944/968? Here is a 3.0 Turbo conversion in a 968:
http://www.powerhaus.com/images/968%20turbo%20S%20conversion/Layout.jpg
Now imagine 8 cylinders instead of 4 in there...

I'm not too familiar with the stock V8, but yeah, it'd need a lot of upgrades. The factory pistons were made by Mahle, and cost $500 each. You'll need 8. I would talk to JM engines about the intake. You should look a the 951 Barrel Valve intake for your 952, it's worth something to the order of 30hp or somerthing.

I have seen a 928 V8 in a 944 before, so I think it could be done, but then it would be front heavy, and who wants that? Just build the 3L to 600 hp and be happy with that. :D

Oh yeah, can I join the Tofu Crew? I don't even eat meat!

Originally posted by Cbass
I'm not too familiar with the stock V8, but yeah, it'd need a lot of upgrades. The factory pistons were made by Mahle, and cost $500 each. You'll need 8. I would talk to JM engines about the intake. You should look a the 951 Barrel Valve intake for your 952, it's worth something to the order of 30hp or somerthing.

I have seen a 928 V8 in a 944 before, so I think it could be done, but then it would be front heavy, and who wants that? Just build the 3L to 600 hp and be happy with that. :D

Oh yeah, can I join the Tofu Crew? I don't even eat meat!

Where can i find anything about the barrel valve intake?
Btw ToFu crew isn't about meat after all , go here (http://www.automotiveforums.com/vbulletin/t35678.html) to learn about it and/or register...

www.jmengines.com

Its made by Jon Milledge, its made of tig welded aluminum and carbon fiber.

So what would you recommend as the best turbo for a low lag 500 hp 3.0? Has to be watercooled with electronic wastegate.