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416 heads on stock roller 350?

   
Old Dec 11, 2008 | 04:36 PM
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416 heads on stock roller 350?
What do you think about 416 heads on a stock 350 roller motor out of a 89 silverado pickup truck?

What would be the compression ratio?
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Old Dec 11, 2008 | 11:28 PM
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From: Littleton, CO USA
Car: 82 Berlinetta/57 Bel Air
Engine: L92/LQ4 (both w/4" stroke)
Transmission: 4L80E/4L80E
Axle/Gears: 12B-3.73/9"-3.89
Trucks didn't get roller lifters.
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Old Dec 11, 2008 | 11:32 PM
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Re: 416 heads on stock roller 350?
Originally Posted by five7kid
Trucks didn't get roller lifters.
I wouldnt know, but this one came out of a silverado and it has rollers lifters
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Old Dec 11, 2008 | 11:54 PM
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five7kid
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From: Littleton, CO USA
Car: 82 Berlinetta/57 Bel Air
Engine: L92/LQ4 (both w/4" stroke)
Transmission: 4L80E/4L80E
Axle/Gears: 12B-3.73/9"-3.89
It's not a stock truck engine, then. Hard to say what cam it would be.
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Old Dec 12, 2008 | 06:34 AM
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From: Ontario, Canada
Car: 1988 Firebird S/E
Engine: 406Ci Vortec SBC
Transmission: TH-350/3500stall
Axle/Gears: 7.5" Auburn 4.10 Posi-Traction
Re: 416 heads on stock roller 350?
What is the casting number of the heads on the motor now?
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Old Dec 12, 2008 | 02:25 PM
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Re: 416 heads on stock roller 350?
Originally Posted by F-BIRD'88
What is the casting number of the heads on the motor now?
The 193 heads
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Old Dec 12, 2008 | 07:30 PM
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F-BIRD'88
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From: Ontario, Canada
Car: 1988 Firebird S/E
Engine: 406Ci Vortec SBC
Transmission: TH-350/3500stall
Axle/Gears: 7.5" Auburn 4.10 Posi-Traction
Re: 416 heads on stock roller 350?
Present compression ratio X 1.063 will be the new cr with 58cc 416 heads assuming the same gasket thickness is used.
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