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Discussion Starter #1
I've been using the V8-style (long-body) filter like we used on the big-block engines. It's identical to the stock filter on our Intrepids except that it's longer -- higher capacity. The internal filter is also roughly double-size so you get less restriction and more oil pressure and volume to the bearings! I guarantee you'll see a difference at the oil pressure gauge. My oil pressure gauge pointed vertical -- with the larger filter the gauge looks like about 5psi higher. There are no size problems with fitting the longer filter to the engine -- fits beautifully and DEFINITELY makes oil changes easier, since the oil filter is easier to get a hold of.
 

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Discussion Starter #3
I think our Intrepid "shorty" filters are Fram PH16, and I believe the large-style filter is PH8. Check 'em out and you'll see the difference.

Since the filter element is larger there's less restriction and more oil volume -- you'll see it directly reflected in higher pressure at the gauge. The oil pressure gauge sending unit is installed downstream of the filter, so any less-restrictive oil filter will yield greater pressure at the gauge. There may be 1/3 to 1/2 a quart increased oil capacity as a result, so expect to put a little extra oil in the engine at oil change time.

Familiarize yourself with your oil pressure gauge before the change -- where the needle spends most of its time. Unlike some mods where you have to use your imagination to tell a difference, there's a a very obvious boost in oil pressure after changing to the big filter, which has to be a benefit for our high-revving engines. And it's a FREE modification, since the big filters cost no more than the shorty ones.
 

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yeah...no pres. gauge for the oil in my '97...ive been asking around about installing working oil-pres gauge and a volt-meter 4 the battery (not that i need them, it would be nice to not have to rely on some red light in the dash that would come on 2 seconds after its too late...) the places i went to told me that they would be electrical, and the relays that monitor the oil pres. would not give accurate readings to an external gauge...if anyone has any more info on this, please tell us!
 

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Discussion Starter #6
Slight mixup on my part: I noticed as I came home that there's no oil pressure gauge and I was thinking of the oil pressure gauge in my '97 Grand Cherokee. That vehicle also calls for the same shorty type filter but I always use the larger capacity filter for the extra oil pressure and volume to the bearings. I've used that filter on all of my previous Chryslers -- '88 Lebaron Turbo Coupe, '87 Jeep Cherokee, etc.

Would be nice if there was an oil pressure gauge on our Intrepid dashes, but the dash looks mighty nice as it is, doesn't it :)
 

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Discussion Starter #7
I seem to recall on an older vehicle that you could remove the oil pressure sending unit, install an adapter, and reattach the sending unit to the adapter as well as a separate connection for, say, an oil pressure gauge. That way they can both read the pressure. Haven't checked the feasibility on the Intrepids though . . .
 
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