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Old 12-06-2007, 12:20 PM   #30 (permalink)
mcbear
Mgr., Marg. Mead Taproom
 
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Date registered: Apr 2004
Vehicle: E500Es
Location: The BlueGrass State
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Quote:
Originally Posted by 19666falcon View Post
i wanted to know which one of these performance upgrades would give me the most performance, but my E320 is my daily driver, so i would want to drive the car every day without it messing up too much.

Twin turbo kit or swapping an engine in from a C36? Or should i get the C36 spec camshafts and head porting done from blue ridge MB?
Talk to Jonathan at Blueridge.

There are several ways to get more reliable power out of the 103/104 motors but no matter which way you go, look toward $7000 for the entire package.

The Twin Turbo kit cost plus installation plus tuning seems to run up to $7K by the time it is all done.

A motor swap to nearly anything is at least $7K once you buy the motor/tranny, driveshaft issues, electronics, mounting issues, tuning up etc. It usually tries to start plug and play but 40-70 hours of swap time just adds up.

At some point you might look at just buying a 400E or 500E, selling your E320 and having a fully engineered solution that gives you 275-320HP out of the box. For the bump to 400E I know it would be a cheaper option and depending on the quality of 500E, it might be just above break even.
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