cherokeemi
NAXJA Forum User
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how do you make the coil pack ground correctley with the head change
how do you make the coil pack ground correctley with the head change
An infrared thermometer could prove if there's a serious hotspot at 3 and 4.
The so called "debris shield" recall for 00-01 was fishy. The "shield" is really an insulator. this thing is aluminized glass cloth. It probably prevents the vapor lock on injector 3, but likely makes the hot spot even worse.
A real debris shield would be a sheet of aluminum or something, like on the renix engines.
If that makes you uncomfortable, run a secondary ground lead from under one of the mounting screw heads to the engine block or cylinder head
Is the 0630, the best head to get for replacement? I've seen heads for as low as $50 around here on Craigslist. What years had the 0630?
As far as that aftermarket aluminum head goes, I would never put an aluminum head on a cast iron block.
If you did port a 0331, you'll have coil rail bosses, and 91-99 exhaust manifolds would fit...but that's a ton of grinding through nickel steel.
I under stand your concern, but I haven't heard of any issues of that sort with the Hesco Aluminum head. Hesco also has plans for an aluminum block, but if their head costs $2000, I would hate to see the price tag for a aluminum block.
I have a light to moderate coolent smell in the vents when using the vent in both hot or cold but no smell when using AC.