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Old 02-08-2017, 01:27 PM   #1
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Originally Posted by oxfordm5 View Post
Read Wayne's 996 swap -Pelican- it may give you some ideas.
You will have DME issues for sure.

Thanks for the reply Gelbster, Yes i have read the swap guide ,, from what i understand is there should be no problem as its still a 3.2 and all i would need to do is hook the brake booster vacum to the pump on the front of the cyl head .. I can deal with any physical modifications that need to be made i'm just not equipped to re program the DME
Make sure you investigate Variocam/Variocam Plus before you make a big decision?
How VarioCam and VarioCamPlus works - A Primer - 6SpeedOnline - Porsche Forum and Luxury Car Resource
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Old 02-08-2017, 04:54 PM   #2
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Quote:
Originally Posted by Gelbster View Post
Make sure you investigate Variocam/Variocam Plus before you make a big decision?
How VarioCam and VarioCamPlus works - A Primer - 6SpeedOnline - Porsche Forum and Luxury Car Resource
I am not sure what you are getting at as his '03 S has the infinitely variable VarioCam ME 7.8 just like the '06 S. That is the nice thing about having a '03 or '04 Boxster. Neither has "plus" with valve lift. That came on the '07. You CAN run a valve lift "plus" late M96 3.6 engine with the Boxster 7.8 DME as the outputs are in the hardware. You just need to add the solenoid control wires and program the DME for the engine with 996 code. It is actually quite simple.

The extra pump on the M97 is a vacuum pump. Porsche went with a vacuum pump for the brakes on the M97 supposedly for better braking in high altitude and track conditions. It might necessitate some change to vacuum line plumbing, but doesn't make much difference.

The other difference is no dipstick tube, but I think they just put a plug in the case where it was on the M96, so you just remove the plug and put in the dipstick tube.
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Last edited by Qmulus; 02-08-2017 at 08:31 PM.
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Old 02-08-2017, 06:25 PM   #3
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The coolant hose connections from the engine to the tubes that run to the front are different between a 2003 and 2006. When you go to switch that front coolant piece from the 2003 to the 2006, you'll mess up your timing. I had a customer go through what you're about to do. He bought a 2005.5 motor from me to put in his 2003. His mechanic almost messed up the motor but I was able to get a mechanic friend of mine who works at a Porsche dealer to walk his mechanic through the process. You have to lock timing or something like that before you can remove those pieces on the front of a m97. A friend of mine (Brad Roberts), had suggested that next time someone goes that route that they just make an adapter for the m97 coolant hoses to the M96 tubes.

Disclaimer; I'm just a knuckle dragging monkey that takes these things apart. I don't fix them. That being said, really look into it before you start tearing into the good motor
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Last edited by itsnotanova; 02-08-2017 at 06:44 PM.
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