Gen V 454 oil pressure switch - Chevelle Tech
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  #1  
Old Oct 19th, 07, 4:01 PM
RaySky RaySky is offline
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Default Gen V 454 oil pressure switch

I just bought a rebuilt Gen V 1991 454. I notice that there are two holes on the passenger side of the block above where starter would mount. These holes will accept 1/4" plugs. I tried to push a dowel in each one to see if it went all the way through. It does not. Does anyone know what these two holes are for? Should I just put 1/4" plugs in them. Also on the 1991 Gen V 454 where does the oil pressure switch go? Any help is appreciated. Thanks.
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  #2  
Old Oct 19th, 07, 4:06 PM
VinceS427bb VinceS427bb is online now
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Default Re: Gen V 454 oil pressure switch

i believe the holes are for the external oil cooler lines that run to the radiator side tank.
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Old Oct 20th, 07, 3:26 PM
RaySky RaySky is offline
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Default Re: Gen V 454 oil pressure switch

If that is what they are. would that mean, if I'm not using a cooler they would need to be plugged?
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Old Oct 20th, 07, 4:02 PM
Bryan59EC Bryan59EC is offline
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Default Re: Gen V 454 oil pressure switch

They are blind holes, don't worry about them UNLESS you plan on using a set of Sanderson Cast Iron Block Hugger headers. If this is your intent>>>get out the grinder and grind the bosses off.

These headers fit extremely close to the block (mini starter highly reccommended)
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Old Oct 21st, 07, 10:59 AM
RaySky RaySky is offline
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Default Re: Gen V 454 oil pressure switch

o.k seems like I don't have to be concerned about them. Where do you guys using this block hook up your oil pressure gauge?
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Old Oct 21st, 07, 3:28 PM
VinceS427bb VinceS427bb is online now
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Default Re: Gen V 454 oil pressure switch

Quote:
Originally Posted by VinceS427bb View Post
i believe the holes are for the external oil cooler lines that run to the radiator side tank.

i'm sorry i was reading the Driver's side for some reason?????????
there should be two pipe plugs or cooler lines on the drivers side of the block and you could run your pressure gauge to there....
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Old Oct 23rd, 07, 9:28 PM
RaySky RaySky is offline
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Default Re: Gen V 454 oil pressure switch

Thanks.
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Old Oct 23rd, 07, 11:16 PM
Bryan59EC Bryan59EC is offline
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Default Re: Gen V 454 oil pressure switch

pipe plug just above the oil filter boss
pipe plug at the very front of the block on the driver side.
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