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Old 03-26-2011, 10:27 AM
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Budget 406 SBC Parts Selection

Good Day,

I'm halfway through the rebuilding process of my stock 400 sbc. Block is @machine shop, had a crack in it and missing a freeze plug, spun a bearing, all that good stuff So now it's a cleaned-up 406. This is the parts list thus far:

Stock reground crank
GM 5.7" rods, ARP bolts installed
KB Hyper -22 dish pistons
Vortec heads with a little work, polishing, .570 lift springs installed
Performer RPM intake
*questionable* Crane 284xe
3.55 gears
still have to buy stall converter, looking @ a 2800-3200 (or could I go for one step BELOW that, to take advantage of the 400's torque?)

Just looking for KEEN ADVICE from a vast source of knowledge, HOTRODDERS.COM

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Old 03-26-2011, 01:39 PM
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That High a stall???

Hey, thanks for responding... The motor is going in a 1980 regal. It will be used as a weekend warrior, street machine, with maybe 2 trips to the track a month, if that. But I would also like to drive it on the highway to work on some sunny fridays or whatnot.
I was hoping to buy a convertor with a LOWER stall, I've read that I don't wanna spin this motor to the moon to make power. Would I be inherently loosing out on all the available torque by using a 3,500 stall????

Is there ANY way to run this cam on the street in a 406 sbc? Does it cost extra to 0 deck the block? I AM paying to have this motor balanced, but I'm not sure of zero decking.
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Old 03-26-2011, 02:37 PM
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here is somthing a bit more appropriate if you want to run less stall and compresion.
edlebrock performer rpm #7102

ENGINE: CHEVY 283-400 V8
RPM RANGE: 1500-6500

Duration at 0.006" Lift: Intake: 308 Exhaust: 318
Duration at 0.050" Lift: Intake: 234 Exhaust: 244
Lift at Cam: Intake: 0.325" Exhaust: 0.340"
Lift at Valve: Intake: 0.488" Exhaust: 0.510"
Timing at 0.050" lift: Open Close
Intake: 10 BTDC 44 ABDC
Exhaust: 59 BBDC 5 ATDC
Centerlines: Lobe Separation - 112 Intake Centerline - 107



you may loose a few hp but it will be more in tune to what you need on the street.
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Old 03-26-2011, 02:52 PM
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Thank You!!

Wow.. I knew iI would hear some news conflicting my thoughts on the combo , but, that's why I came here in the first place. To get the truth, no matter HOW ugly it may be to me. I wanted to keep my 3.55's and go with a 2800 stall, but if the motor will be LOTS happier with a true 10" 3k+ stall, then that's what I'll be springing for.

I actually have the 'Brock rpm cam and lifter set in a 355 that i'm about to sell, freshley installed. But if that warrants the same stall and gear, I'll go ahead with the 284XE.

My main concern was NOT utilizing my powerband below 3000 rpm, where I hear the 400 sbc shines. I was also assuming my redline would be ~6k. But F'Bird's shifting @6K, i should be able to raise my redline also???

I'll be asking my machinist what my deck height is and my quench. Is there an optimum compression I should be seeking for pump gas, 64cc vortec's and -22 dish Hypers???

FINALLY, can I throw on a cheap 100 shot of giggle gas for good measure??? any preparation in that???
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