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Old 10-02-2017, 05:00 PM   #1
oewoko
Zilvia Member
 
Join Date: Apr 2002
Location: new jersey
Posts: 154
Trader Rating: (2)
oewoko is an unknown quantity at this point
Fitting QR25DE coil packs

Hey all. I've had enough with my spark plug blowout issue. Gapping tighter, then using liquid tape all over the coil pack, and then trying regular electrical tape, I still have blowout. Although much less, it is still intermittent, and with a planned turbo upgrade, I might as well make my ignition beefier.

If you ask why not LS coils, it's because I have a whole set of the QR's for free. And with being coil on plug, less work without having to mount the coils.

Now I just test fitted them, and I have this gap between the valve cover and the top portion of the coil pack. My question is this ok to leave open, or do I need to seal it somehow?

I have also included a pic comparing a few coils.

Left, VQ35HR
Middle, QR25DE
Right, SR20DET

I had a spare VQ coil cause I'm trying to figure out a stumbling problem on my G.

The SR is shorter by about 1 inch. What do you guys think?

Googling only shows that people have used both the VQ and QR coils, but no how to's or install photos. Thanks for any help

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