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Using the wrong oil filter.

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Old 02-03-2006, 10:36 PM   #1
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Using the wrong oil filter.

Will using the wrong size oil filter damage anything and can it cause the oil pressure gauge to read inaccurately? I was looking at Fram oil filters and bought one for a 1987 IROC Camaro with a 350. My car is a '85 with a 350, but of course, not stock in 1985. So I found out the block came from a 1981 C-10 truck. The original filter I purchased was smaller and I went back and got a filter for an '81 C-10 and it was the correct size. The reason I'm asking about the oil pressure is because my gauge is always maxed out when the engine is on, but when starting it it will go down to zero and right back up, so it's obviously getting a signal. My guess is that a smaller filter would increase pressure not descrease it, if it's affected at all.
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Old 02-03-2006, 11:38 PM   #2
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Wont effect it. You could use the shorter one or longer one. Doesnt matter.
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Old 02-04-2006, 12:40 AM   #3
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as long as the threads are the same and the gasket seals you can use any one you want to.
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Old 02-04-2006, 01:49 AM   #4
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Your first mistake was buying a Fram oil filter.
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Old 02-04-2006, 01:54 AM   #5
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Old 02-04-2006, 10:54 AM   #6
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Car: 91 firebird
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Years ago, before I knew better than to use a fram filter , I could barely reach the filter with an oil filter wrench. So the next time I bought a filter, I took the correct one out of the box and compared it to the bigger (longer) filters until I found one that had the same threads and top was the same. The PH 5 was about 2" longer and that is the size I use now.
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Old 02-06-2006, 12:52 PM   #7
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I use a filter for a 454. I believe it's a PH-5. Works well. Gives you a little more capacity.
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Old 02-06-2006, 01:33 PM   #8
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if I don't use a k&n filter I use an AC Delco PF1218 or a PF454.
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