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Old 04-24-2017, 11:47 PM   #1
Franks 72
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What block am I ?

I have been offered this engine but cant find this casting # in my usual search sites, any help would be appreciated. Casting 11088548 Thanks for the help !
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Old 04-25-2017, 12:50 AM   #2
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Re: What block am I ?

Where are you getting this number from? A pic of engine might help..

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Old 04-25-2017, 07:37 AM   #3
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Re: What block am I ?

Thats about what I found ! The number is cast into the block at the rear left (upper). I will try and get back there and get a picture.Thankyou for the speedy responce.
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Old 04-25-2017, 11:47 AM   #4
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Re: What block am I ?

6 cyl? small block? big block? rotary?
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Old 04-25-2017, 11:57 AM   #5
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Re: What block am I ?

You sure that second "1" isn't a "4"? The number 14088548 comes back as a late model 350 from 1986 to 1994.

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My 1972 GMC 1500 Super Custom (Creeping Death) "long term" build thread.

The Rebuild of Creeping Death after the wreck

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I would never rebuild a 305.
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I love using vacuum gauges as part of the carb tuning process. I hook the gauge to the inside of my garbage can and leave it there.
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Remember Murphys 2nd law of mechanical relationships... "OPPOSING COMPONENTS ATTEMPTING TO OCCUPY THE SAME SPACE, AT THE SAME TIME, GENERALLY END UP OCCUPYING ADJOINING SPACE AT THE BOTTOM OF THE OIL PAN"
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Old 04-25-2017, 12:08 PM   #6
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Re: What block am I ?

Here is a good source.
http://www.castingnumbers.info/site/...Small_Block_V8
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Old 04-25-2017, 12:09 PM   #7
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Re: What block am I ?

I usually use www.nastyz28.com or www.mortec.com

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My 1972 GMC 1500 Super Custom (Creeping Death) "long term" build thread.

The Rebuild of Creeping Death after the wreck

Quote:
Originally Posted by LONGHAIR View Post
I would never rebuild a 305.
Quote:
Originally Posted by prostreetC-10 View Post
I love using vacuum gauges as part of the carb tuning process. I hook the gauge to the inside of my garbage can and leave it there.
Quote:
Originally Posted by Marv D View Post
Remember Murphys 2nd law of mechanical relationships... "OPPOSING COMPONENTS ATTEMPTING TO OCCUPY THE SAME SPACE, AT THE SAME TIME, GENERALLY END UP OCCUPYING ADJOINING SPACE AT THE BOTTOM OF THE OIL PAN"
Quote:
Originally Posted by cableguy0 View Post
Its cheaper to listen to advice given when you ask for help than it is to ignore everyone and wait for carnage.
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Old 04-25-2017, 02:10 PM   #8
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Re: What block am I ?

I think the "4" in place if "1" may be right..
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Old 04-27-2017, 05:45 PM   #9
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Re: What block am I ?

Sorry, it is a V8 and I misread the casting # should read 14088548. That makes more sence. Is there a way to identify 4 bolt mains without pulling the oil pan . Thanks all
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Old 04-27-2017, 08:06 PM   #10
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Re: What block am I ?

No way that I know of with out pulling the pan.
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Old 04-27-2017, 10:35 PM   #11
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Re: What block am I ?

This, http://www.1968ss.com/sbcnumbers.asp , says it's an '86-'88 in either two or four bolt main.
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Old 04-28-2017, 12:09 PM   #12
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Re: What block am I ?

Chances are if it was in a truck, it is probably a 4 bolt. But you can't truly tell unless you pull the pan. Don't get hung up on 2 or 4 bolt main. Unless you plan on building a 500hp Mouse Motor a 2 bolt can be beat on pretty hard and survive many many years.

Gary
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My 1972 GMC 1500 Super Custom (Creeping Death) "long term" build thread.

The Rebuild of Creeping Death after the wreck

Quote:
Originally Posted by LONGHAIR View Post
I would never rebuild a 305.
Quote:
Originally Posted by prostreetC-10 View Post
I love using vacuum gauges as part of the carb tuning process. I hook the gauge to the inside of my garbage can and leave it there.
Quote:
Originally Posted by Marv D View Post
Remember Murphys 2nd law of mechanical relationships... "OPPOSING COMPONENTS ATTEMPTING TO OCCUPY THE SAME SPACE, AT THE SAME TIME, GENERALLY END UP OCCUPYING ADJOINING SPACE AT THE BOTTOM OF THE OIL PAN"
Quote:
Originally Posted by cableguy0 View Post
Its cheaper to listen to advice given when you ask for help than it is to ignore everyone and wait for carnage.
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Old 12-15-2017, 07:41 AM   #13
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Re: What block am I ?

Agree. Only way to be sure is look. And considering SBC main caps are registered within the block, advantage of factory 4-bolt is greatly exaggerated. Great way to up the price to unwary buyers though.
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Old 12-15-2017, 10:11 AM   #14
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Re: What block am I ?

What they said...........just to add, I have never seen a (factory) 4 bolt main in a half ton since ????? Probably 1970's.

3/4 ton and 1 ton - sure.
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Old 12-15-2017, 05:24 PM   #15
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Re: What block am I ?

i'd rather have a studded 2 bolt then a factory 4 bolt.
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Old 12-15-2017, 07:21 PM   #16
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Re: What block am I ?

Not 100% but it there is an oil port over the timing cover, it's possible a 4 bolt. Where I am there are roundy-rounder tracks within an hour from each other. Friend used to build engines for many of them, and lived next door to another buddy's junkyard. He had it for over 20 years, and had all kinds of stuff come in. But would always look for that plug for hopes of a 4 bolt. But like others said, not really a big deal. In fact, of all the motors I built over the last 20 years, can only remember one being a 4 bolt. Big blocks and small. One was a pretty nasty 468, 2 bolt block....
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