427 4 bolt block question

Keith Tedford · #1 11-21-2005, 09:40 PM

The 4 bolt blocks should have the two big pipe plugs above the oil filter boss. These were used for an external oil cooler if required.

**markjohnson** · #2 11-21-2005, 09:54 PM

Keith is correct. Both pipe plugs above the oil filter will large and of the same size. On a two-bolt main, one of the pipe plugs is smaller than the other.

69L72RS · #3 11-21-2005, 10:14 PM

I thought 2-bolt blocks had 1 fitting for the oil sender
and 4-bolt blocks had one hole for the sender and a second larger hole for the oil cooler line fitting.
I will try to find a picture to post.

Eric

jfkheat · #4 11-21-2005, 10:27 PM

Thanks for the replys. Eric, I will call you shortly. The block has 2 holes by the filter. The one directly above the oil filter is larger that the one that is off to the side.
James

Kim_Howie · #5 11-21-2005, 10:43 PM

Sounds like a 4-bolt block

**Stefano** · #6 11-21-2005, 11:40 PM

Aren't those bosses routinely drilled on conversions?

Don_Lightfoot · #7 11-22-2005, 01:47 AM

Could this be a picture of one.

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