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Old 04-04-2009, 11:46 AM
manchildau65 manchildau65 is offline
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406 sbc, build questions

Hi, I'm a new member and have some basic questions about a 400 sbc that I'm putting togethor. The following is the information I have about the engine:

Block
Serial Number: 330817
Bore: 0.030" over
Main Caps: 2 Bolt
Crank/Connecting Rods: Stock

Heads
Serial Number: 14014416
Intake: 2.02 SS
Exhaust: 1.60 SS
Rockers:
Push Rods: Stock
Valve Springs: Doubled? (one inside of another)
Valve Guides
Tapped/Studded Rocker studs
Combustion Chamber: I was told 64cc but the 416 head is 58cc right?

Camshaft
SUM-1107
Cam Style: Hydraulic flat tappet
Basic Operating RPM Range: 3,000-6,500
Intake Duration at 050 inch Lift: 234
Exhaust Duration at 050 inch Lift: 244
Duration at 050 inch Lift: 234 int./244 exh.
Advertised Intake Duration: 292
Advertised Exhaust Duration: 302
Advertised Duration: 292 int./302 exh.
Intake Valve Lift with Factory Rocker Arm Ratio: 0.488 in.
Exhaust Valve Lift with Factory Rocker Arm Ratio: 0.510 in.
Valve Lift with Factory Rocker Arm Ratio: 0.488 int./0.510 exh. lift
Lobe Separation (degrees): 114

Pistons
Ring dimensions 5/64, 5/64, 3/16
Dome shape: .135 dish; 4 valve reliefs
Compression dist 1.560
Deck Clearance .025
Skirt Clearance .0015

So, I'm sorry to data dump but this is the engine I recently purchased as is. The application will be for a pickup I'm building (K30) and will be using it for fun mostly, definitely want to run pump fuel in it. I've had it running previously with 93 octane and it was very strong with great oil pressure.

First question: is this set up any good? or what should be changed?
Second question: I need a head gasket, what gasket should I get?
Third question: what kind of numbers can I expect from it?

Thanks guys for any input, I'm a novice, with very limited money (recently married) and just want something fun and reliable.

-Luke
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