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Old 09-09-2002, 08:38 AM
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Question 427 tall deck question

I have just recently aquired a tall deck 427. I would like to know who(or where) produces perfomance parts for these engines? What can I get ,aftermarket for 'em, and what can I interchange?
I have pretty much always dealt with SB chevy's. I know the basics remain the same, but must admit to being slightly intimidated by the BB's.
Thanks, in advance for any help.......Konrad
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Old 09-09-2002, 08:47 AM
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All the parts are pretty much the same for the 427 tall block and short block, except the intake manifold and distributor. Since the tall block is a truck engine, it is going to have some real clunky pistons (4 rings instead of 3), a real sluggish cam and a distributor with governor. A good set of pistons, mild cam and aftermarket distributor will make the engine run pretty well. Used to be that you would have to use spacers to run a decent intake manifold but there are now tall block manifolds available from Dart and others. As I recall the truck engine used a huge water pump too, pass car pump can be installed. Have fun.

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Old 10-03-2011, 09:44 PM
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427 bbc

I bought a 427 tall block for my mud truck a 74 chevy i had been looking for a flex plate but didnt know if it was an internally or externally balanced.
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Old 10-04-2011, 05:30 AM
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366-396-427 are internal balance and std pre 87 Chevy flex/flywheel fits.
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Old 10-04-2011, 05:30 PM
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There are a few manufacturers that make intakes with a regular distributor height location so any standard GM or aftermarket distributor can be used. The only other consideration that I can think of is being the decks are .400" taller, regular headers usually don't fit well.

I do believe the truck engines have a steel crank in them also, which is good. And as stated above, they are an internal balanced assembly.

I have a friend that has a tall deck in a 68 Camaro that spins it to 7500 regularly and sometimes to 8000RPM. Stock GM crank and aftermarket rods.

Good Luck, you have a good engine to build on.
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Old 10-04-2011, 06:17 PM
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Edelbrock, Brodox, and Dart make the intakes with the recess for use with a standard GM dizzy.

Just built a 505 with one.
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