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Is it possible to convert a 911T engine to 911S 1972
Hi Guys, who knows if its possible to convert a 911T engine to 911S 1972.
engine number 6161075 Thanks |
No problem.
The differences are, Pistons and cylinders Cams Port size and Fuel Injection size and calibration. Bruce Anderson's Porsche 911 Performance Handbook has all the details. |
You mean i replace the above parts of the 911T with same parts of 911S (parts only or we should make some editing??
Thank you, Jeff |
The pistons and cams will have to be replaced, at the least. The iron cylinders will work, but the S had birals.
The heads can be ported, not a big deal. The MFI can be modified. Some of it depends on how authentic you want to be or are you just wanting to build a hot rod. There are numerous options available, it just depends on how far you want to take it and your $$$. Again Bruce Anderson's book is worth reading, as it has all the answers. Wayne's How to Rebuild and modify 911 motors also has a great deal of info. https://www.pelicanparts.com/catalog/shopcart/BOOK/POR_BOOK_PORBK1_pg1.htm |
Thank you so much for that.
Much appreciated. Jeff, |
One other detail. I'm not sure if it matters in your situation. The engine number will always indicate it as originally from a T. The shroud on the S motor is red as well.
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What year engine are you starting with. That engine number doesn't look familiar for a '72.
I am pretty sure that the "T" uses a non counterbalanced crank. If you are starting with a MFI "T" engine, I think you will have to source "S" throttle bodies and stacks. If your current engine is not MFI, be prepared to pay dearly for a 72S MFI pump, throttle bodies and stacks. $$$ adding up. Bob B |
Quote:
Maybe someone can confirm the engine number. The MFI stacks and throttle bodies can be enlarged, or bored out. OP do you have plastic MFI stacks? |
616 xxxx isn't 911 engine #
if it is 610 1075 then it is a 1970 2.2 T '72 TV(CIS) would be 652 0001> for manual and 652 9001> for Sportmatic For '72 TE(MFI) it would be 612 0001> for manual and 612 9001> for Sportmatic |
First thing is to figure out what motor you have. Look for the engine type number, just to the right and in from the serial number. In this picture it is 911/91 for 1973 CIS.
http://forums.pelicanparts.com/uploa...1547919780.jpg |
Costs the same to swap to RS as it does S. Just sayin.
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