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944 Race Car question


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Hi Guys!

New Member Here looking to see if some of you guys can help with a few questions from time to time.

I bought an 86 944 race car a couple years ago

I have been to a couple of track days trying to get use to the car. I have had 3 911's and a boxter

but found that they were not used enough and wanted a track car. The 944 was first a firehawk series prepared car, then ITS Scca car. Said to be set up by a Bosch Engineer. Has some log books but not a huge racing history. Buil t out of a car with very few miles on it in the 80's. It is a sun roof delete, manual steering, limited slip from the factory.

the rest of the work removed all not needed electrical parts, side windows and motors all interior stripped down to the metal. Safe fuel cell, full roll gage, fire system etc. etc.

But to my question a lot of changes were done to the engine and electronics. There is no balance cam and it has had a external oil cooler and pump , we found this out when installing a new timing belt.

My question is, it has a kill switch now sticking through the hood but I noticed the other day that I could turn the kill switch off and the engine keeps running. Looked online at 944 Spec for installation info but my car has a aftermarket CDI box and should I interrupt the fire to the box by the kille switch or kill the exciter wire to the alternator? any ideas?

Thanks,

Steve H

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  • 3 months later...

Hi Guys!

New Member Here looking to see if some of you guys can help with a few questions from time to time.

I bought an 86 944 race car a couple years ago

I have been to a couple of track days trying to get use to the car. I have had 3 911's and a boxter

but found that they were not used enough and wanted a track car. The 944 was first a firehawk series prepared car, then ITS Scca car. Said to be set up by a Bosch Engineer. Has some log books but not a huge racing history. Buil t out of a car with very few miles on it in the 80's. It is a sun roof delete, manual steering, limited slip from the factory.

the rest of the work removed all not needed electrical parts, side windows and motors all interior stripped down to the metal. Safe fuel cell, full roll gage, fire system etc. etc.

But to my question a lot of changes were done to the engine and electronics. There is no balance cam and it has had a external oil cooler and pump , we found this out when installing a new timing belt.

My question is, it has a kill switch now sticking through the hood but I noticed the other day that I could turn the kill switch off and the engine keeps running. Looked online at 944 Spec for installation info but my car has a aftermarket CDI box and should I interrupt the fire to the box by the kille switch or kill the exciter wire to the alternator? any ideas?

Thanks,

Steve H

Not 100% perfect -- but we killed the lead from the CPS to the DME. Kills engine immediately, but the fuel pump still runs.

All the tech folks seem happy -- but I haven't run SCCA.

We never seemed to figure out how to kill the fuel pump too. with the single kill switch.

Mike

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