05-31-2012, 01:02 PM
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#25 (permalink)
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Not an active Vendor. DO NOT BUY
Join Date: Sep 2009
Location: California
Posts: 391
Drives: '13 Hot Lava FR-S
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Quote:
Originally Posted by NitrousZ34
Im in on knowing the total cost for the stroker kit also. How would a 4.2 block with FI fair as a DD? Im thinking of doing the GTM TT kit with either a fully built 3.7 or a stroked motor. I know its not ideal to DD a car with that much power and that type of motor but my question is how long would either motor last if it was driven daily, not pushed to the limits, but driven spirited
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The total cost is going to depend on what all else is being done at the same time. Daily driving a stroked engine is no different than daily driving a V8: you don't have to floor it everywhere you go.  The nice thing is that the extra torque feels really good when you're off boost. Then when you're on it...well, hang on to your butts. 
A daily driven build will last a long time, even when driven spiritedly. That's the whole point of doing a built motor in the first place. Like it was mentioned in the OP, we set bearing clearances depending on what the car is going to be used for. A daily driven motor build will have fairly tight clearances compared to a full race build. It just won't be quite as tight as OE because you will be making more power. Bearings are the components that wear out on built motors...not connecting rods, not pistons, not crankshafts. That's why it is so important to accurately describe how the engine will be used...ultimately that dictates how the motor will be built.
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