Questions about Big Block Chevy Tall Deck Engines
Sandy
sganz at wgn.net
Sat Nov 7 21:46:40 GMT 1998
I don't remember if the rods were longer in the Truck motors, but I know
that they used a 4 ring pistons and that was the reason the extra height
was needed in the deck. I don't thing the deck was 1" taller, less, but not
100%.
Sandy
At 11:54 PM 11/6/98 -0500, you wrote:
>I'll try & find it in print for you, but my "8 track" era brain recalls the
>366, 396, 402and 427 truck and car haveing the same
>crankshaft demensions, while all the high decks had forged
>ones. High deck engines had longer connecting rods to
>compensate for the one inch higher deck, and reduce piston
>skirt side loads.. 4 bolt mains, thicker decks and cyl walls.
> The 366 heads were terrible from a flow standpoint.
>HTH
>BTW, 8-tracks rule!
>
>
>> Hope there is some engine historian out there who can help me out
>> on this. I'm trying to put together a 1970 C-50 truck with a 427
>> engine. The block and crank may be bad on this one (I haven't
>> taken it apart yet) but I know where to get several 366 engines.
>> Want to figure out if I can put a longer stroke crank in a 366
>> (and what displacement will it give) or if I can slip a 454 block
>> under the 427 truck heads and manifold.
>>
>
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