Quote:
Originally Posted by milfriez
The price isn't so much the concern as much as the PITA it is to take everything apart to get the intake manifold off. Then the fear of cracking it while tapping it, and then having to replace that also. On my 2007 everything plastic is fragile and brittle.
The last time I took it off was to do the HPFP replacement, and thought "boy I'll be surprised if this thing ever goes back together again. And I remember trying to get it seated on all the bolts evenly was a patience tester.
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It's pretty hard to crack the intake manifold but I understand your concern.
I guess you've answered your own questions here though on which route you want to go
But let me know if we can be any further assistance.
You can try running the 4MM lines at first and see how it responds. If you have issues then you know at least what the issue likely is.