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i wear no pants
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17,506 Posts
Discussion Starter #1
how safe is the precision kit on a stock motor?

i have around 87k miles and i was thinking about doing this? is my car gonna be ok. i just wanna run it like it is. i will get a new motor but i would prefer not to.

http://focus.c-f-m.com/index.asp?PageAction=VIEWPROD&ProdID=401

thats the kit and i was wondering if there is a BOV included or what?
 

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25,627 Posts
I am sure you engine is fine, but if you want to be sure, run a compression test ( or even better a leakdown test ) on all 4 cylinders and check the numbers and if they are good you should be alright. As above, With a good tune.
 

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i wear no pants
Joined
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17,506 Posts
Discussion Starter #4
well is the stock tune on the precision kit any good?

i will have it dyno tuned after with the cam gears and a wideband a/f gauge. would that be enough?
 
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