supercharger Options

[dian]

hi yall

can a supercharger be put on a 74 2.0 l fi car? anybody seen one, done it? thanks.

[shuie]

Here's another photo that shows a little more of the belt:

(IMG:https://lh6.googleusercontent.com/-d_st-gCid4Y/Tn-AgoO0l_I/AAAAAAAAKA0/4nVBEqpZrws/s640/914SCmotor.jpg)

[lrm914]

Here's another photo that shows a little more of the belt:

(IMG:https://lh6.googleusercontent.com/-d_st-gCid4Y/Tn-AgoO0l_I/AAAAAAAAKA0/4nVBEqpZrws/s640/914SCmotor.jpg)

That's a pic of my car's engine. I bought this car about 16 years ago. I have moved around, but always brought the car with me from place to place. Currently I am working to get the car back onto the road. I had though to start a build thread but could not figure out how to do that in the club forums.. A few senior members have been really helpful to me THANKS!
As I understand it it was built in the early 90's at a Fla speedshop called RPM by a Porsche guru named Jay..I do not think the shop is still around. I did make contact with another 914world member who knew Jay back when he was building cars. He mentioned that his shop was always doing innovative modifications to 914's.

The engine is a '75 2.0 Liter California (as I understand it, this is a variation of the 2L but I am not sure of the exact difference, expets here will have more knowledge about that, maybe sl. larger dispacement?), anyway the setup has a bolt on blower being driven by the crank, the belt wraps around the alternator then an idler pully then over the top of the supercharger pully. A weber carb sits on top of the SC. The car souds like a Lear jet when it's running...
Years ago I had a new SC pully lathed out of aluminum, much better than the pully it came with. When I got the car it had been built for the track, brake mods, suspention mods, fuel cell (original tank removed), nothing but a racing seat wheel and dashboard in the interior (would guess thtat the car was stripped down to reduce weight). The body is a 73 model, but modified with steel flares.
What other pics would be helpful? I would be happy to help out.

I would love to speak with anyone who may have worked on this car or has experience with the supercharging work that was being done "back in the day" with the Fla crowd back in the 90's.

Would also be interesting to see how many of these RPM supercharged cars are still around.

Exciting to see there's another one out there!

Send me a PM to connect...

[Dave_Darling]

The engine is a '75 2.0 Liter California (as I understand it, this is a variation of the 2L but I am not sure of the exact difference...

No difference, just a catalytic converter and a smog pump. It may have been used originally because of the smog pump drive, which came out of the center of the fan.

--DD

[lrm914]

The engine is a '75 2.0 Liter California (as I understand it, this is a variation of the 2L but I am not sure of the exact difference...

No difference, just a catalytic converter and a smog pump. It may have been used originally because of the smog pump drive, which came out of the center of the fan.

--DD

I'll take a closer look at the pulley, I think your right Dave, the belt may not be able to loop around without an offset crank pulley.

I am sure the belt wraps around the alternater though. If there is interest I will take a bunch of shots of the configuration of the belt and pully system.

Thanks Dave for the info on the California 2.0L was not sure of the difference I thought it may have been slightly different dispacement or slightly higher HP...Thanks for the correction!

Also, there was a mention of a twin plug design coming out of Jay's RPM shop in Daytona...my car has this dual plug set-up although it is not hooked up. And the distributor for that set up is either a nissan or suburu I can not remember exactly. Never had the twin plugs setup to run, The stock distributor caps works for 4 wires (5 with the coil), but one section of the cap needs to be filed down to fit the ditributor body..still has points in the dist. I will take some pics of this, maybe someone can identfy the type of dist it is, likely not Bosch?
I need to look closer at this, since I am getting close to getting the car up and running after many years of storage. Detonation concerns from some guyswho know ALOT more than I, have me a bit concerned as well. A certain shop in Altanta does not recommend using this SC set-up at all and will not work on the car unless I switch to something different, they suggested a dual carb set-up (i can understand that from a liability standpoint so I am more disappointed than peved)..but his may open its own can of worms (twin carbs) since I do not know what was done to the engine internally with the compression of pistons and cylinders etc. Part of me thinks the twin carbs would be a good idea, but a larger part wants to get this going like it was designed years ago with the SC setup.

Any thoughts?


I would love to get this car on the 914world forum . Everyone is so helpful and supportive, I love reading through the build threads! Some of these cars are just incredible, And I can use all the advice I can get.
Larry

[lrm914]

The engine is a '75 2.0 Liter California (as I understand it, this is a variation of the 2L but I am not sure of the exact difference...

No difference, just a catalytic converter and a smog pump. It may have been used originally because of the smog pump drive, which came out of the center of the fan.

--DD

I'll take a closer look at the pulley, I think your right Dave, the belt may not be able to loop around without an offset crank pulley.

I am sure the belt wraps around the alternater though. If there is interest I will take a bunch of shots of the configuration of the belt and pully system.

Thanks Dave for the info on the California 2.0L was not sure of the difference I thought it may have been slightly different dispacement or slightly higher HP...Thanks for the correction!

Also, there was a mention of a twin plug design coming out of Jay's RPM shop in Daytona...my car has this dual plug set-up although it is not hooked up. And the distributor for that set up is either a nissan or suburu I can not remember exactly. Never had the twin plugs setup to run, The stock distributor caps works for 4 wires (5 with the coil), but one section of the cap needs to be filed down to fit the ditributor body..still has points in the dist. I will take some pics of this, maybe someone can identfy the type of dist it is, likely not Bosch?
I need to look closer at this, since I am getting close to getting the car up and running after many years of storage. Detonation concerns from some guyswho know ALOT more than I, have me a bit concerned as well. A certain shop in Altanta does not recommend using this SC set-up at all and will not work on the car unless I switch to something different, they suggested a dual carb set-up (i can understand that from a liability standpoint so I am more disappointed than peved)..but his may open its own can of worms (twin carbs) since I do not know what was done to the engine internally with the compression of pistons and cylinders etc. Part of me thinks the twin carbs would be a good idea, but a larger part wants to get this going like it was designed years ago with the SC setup.

Any thoughts?


I would love to get this car on the 914world forum . Everyone is so helpful and supportive, I love reading through the build threads! Some of these cars are just incredible, And I can use all the advice I can get.
Larry

The pully on the crank of the car is not offset. There is another pulley and bracket bolted to the fan housing then goes under idler pulley then over and around the SC and back to the crank pulley. The second pulley allows the belt to clear the fan housing. I completely forgot about the second pulley. it can not be seen it in the pics. I will get new pics as soon as I can figure out how toget them off my DROID and onto the 914world website.
Larry

[racerbvd]

I will get new pics as soon as I can figure out how toget them off my DROID and onto the 914world website.
Larry

E-mail the pix to your PC, or pull the chip & get an adaptor to down load into your PC.. (IMG:style_emoticons/default/driving.gif)