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Author Topic: Hole in side of block  (Read 2125 times)

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Offline YardDart63

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Hole in side of block
« on: August 26, 2013, 03:17:57 AM »
Hello all. While I had the intake manifold off of my 1971 1.6 tonight, I noticed a small hole in the side of my block, below the PCV box. Oil has been spraying onto my firewall since I got the car a little over 2 years ago, and I'm thinking this is where it's coming from. My question is, what the heck is this hole for???
Medium Ginger Metallic 1971 Pinto Sedan, bone stock 1600, 285k daily driver

Black w/ red interior 1963 Dodge Dart 4-door, bone stock 170 Slant Six / pushbutton auto, 55k actual miles

Former car: white 2003 Crown Vic P71, permanently retired at 186k

Offline amc49

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Re: Hole in side of block
« Reply #1 on: August 27, 2013, 08:48:25 AM »
Almost looks like a dipstick tube hole.......... ..........

Offline 74 PintoWagon

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Re: Hole in side of block
« Reply #2 on: August 27, 2013, 10:18:46 AM »
Kinda what I was thinking??..
Art
65 Falcon 2DR 200 IL6 with C4.

Offline YardDart63

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Re: Hole in side of block
« Reply #3 on: August 27, 2013, 12:33:45 PM »
That's what I thought at first, but the dipstick is on the front of the motor. It doesn't have any threading, so nothing was bolted there. Anytime it runs over 3k it sprays oil onto the firewall and hood, and when parked with the engine off it leaks on the concrete.
Medium Ginger Metallic 1971 Pinto Sedan, bone stock 1600, 285k daily driver

Black w/ red interior 1963 Dodge Dart 4-door, bone stock 170 Slant Six / pushbutton auto, 55k actual miles

Former car: white 2003 Crown Vic P71, permanently retired at 186k

Offline 74 PintoWagon

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Re: Hole in side of block
« Reply #4 on: August 27, 2013, 12:59:45 PM »
In that case just put  press fit plug in there. Maybe it's for a dipstick for a different pan and a plug got left out at one time.
Art
65 Falcon 2DR 200 IL6 with C4.

Offline DBSS1234

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Re: Hole in side of block
« Reply #5 on: August 27, 2013, 01:58:18 PM »
Pretty sure it is an alternate postion hole for a dipstick. In the late 70's I was working in engineering at OMC maufacturing in Owatonna, MN desigining Mustang skid steer loaders. We used an industrial version of the Ford 1.6L engine in one of the models and there were many options available to allow it to be used in different machines. Just get a small frost plug and some form-a-gasket and seal it up.

Offline YardDart63

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Re: Hole in side of block
« Reply #6 on: August 27, 2013, 02:44:12 PM »
Thanks for the help. Would it be safe to thread it and put a short bolt in there to plug it?
Medium Ginger Metallic 1971 Pinto Sedan, bone stock 1600, 285k daily driver

Black w/ red interior 1963 Dodge Dart 4-door, bone stock 170 Slant Six / pushbutton auto, 55k actual miles

Former car: white 2003 Crown Vic P71, permanently retired at 186k

Offline 74 PintoWagon

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Re: Hole in side of block
« Reply #7 on: August 27, 2013, 03:07:15 PM »
If you tap it you'll send all the chips into the pan, put a press plug in works just as good.
Art
65 Falcon 2DR 200 IL6 with C4.