CK5
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Big Block question 4x4 high / Scott
- Thread starter scrappyk5
- Start date
Damn I hate when my membership expires and I can't view some pics. 
63chevyll
1/2 ton status
wasted wages
1 ton status
That is the craziest thing I have ever seen......
Scott......It appears to be a 4 bolt main block that doesn't have the outer holes in the main caps drilled and tapped.....the inner bolts are there.....and it has 4 bolt caps.....the outer holes in the block are just not there...
Scott......It appears to be a 4 bolt main block that doesn't have the outer holes in the main caps drilled and tapped.....the inner bolts are there.....and it has 4 bolt caps.....the outer holes in the block are just not there...
1BEATK5
1/2 ton status
That block was machined on a Friday, at 4:45pm
Thats what others have said. The factory was closing for the weekend and everyone was headed to the bar.
I thought block numbers were cast into the block...
I think the last two 454s I had matched those casting numbers, both are two bolt. One I have now is out of an 86 dually. I was always told to get one from a truck, steel crank, bigger rod bolts, 4 bolt main, blah blah. I have never had a 4 bolt big block, and every big block that I've had was out of a truck.
It's been like that for 67k?? Seal it up and run it. Least if you decide to build the motor later on, just need to get the machining done, I guess 4 bolt caps can be expensive...
It's been like that for 67k?? Seal it up and run it. Least if you decide to build the motor later on, just need to get the machining done, I guess 4 bolt caps can be expensive...
I'm starting to feel pretty lucky about my 4 bolt block.
Fwiw, mine was a cast crank, small rod motor. The steel crank, big rod motors are things of the muscle car age, I don't think those types of part were ever widely used in the light truck engines.
Fwiw, mine was a cast crank, small rod motor. The steel crank, big rod motors are things of the muscle car age, I don't think those types of part were ever widely used in the light truck engines.
The only BBC's that got the "dimple rods" (7/16" rod bolts) where the LS6 and LS7 engines, all other BBC's use the same rods and the rod length is the same for ALL BBC's in factory form.
