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07-15-2003, 02:02 PM
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#1 |
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Registered User
Join Date: May 2000
Location: Flin Flon, Manitoba, Canada
Posts: 8,853
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305 heads on a 283???
Will it work? any benefits? anyone done this here?? One of the guys at work that lurks around this board is thinking of doing this to the 69 he just bought. Any ideas?
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My name's Tim and I'm a truckaholic My 56 Chevy shop truck build http://67-72chevytrucks.com/vboard/s...d.php?t=562795 |
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07-15-2003, 03:16 PM
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#2 |
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Grand PooBaa Member
Join Date: Jan 2001
Location: LA, CA
Posts: 5,302
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I have a 283 also. But my idea is to install Vortec heads.
Supposed to make close to 40 hp out the box. |
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07-15-2003, 03:57 PM
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#3 |
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its all about the +6 inches
Join Date: Jan 2001
Location: Hilliard Ohio
Posts: 2,690
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The 305 heads is a great idea, but liek mentioned, compression may be an issue.
The 305 heads will breath fine for a smaller engine like the 283/307 and they are dirt cheap. Pretty much free. Plus, they are already set up for modern fuel. |
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07-15-2003, 04:16 PM
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#4 |
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Registered User
Join Date: May 2000
Location: Flin Flon, Manitoba, Canada
Posts: 8,853
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I put a set of 60CC chamber 305 heads on my 350. I had talked with a few people that had done this and they said the boost in low end acceleration was worth it. My 72 won't be a highway runner or a drag strip truck, just a cruiser, so they will be fine for my application
__________________
My name's Tim and I'm a truckaholic My 56 Chevy shop truck build http://67-72chevytrucks.com/vboard/s...d.php?t=562795 |
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07-15-2003, 05:48 PM
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#5 |
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Registered User
Join Date: Dec 1999
Location: Austin, TX, USA
Posts: 7,728
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The 305 heads will work great on a 283. About 9.2:1 compression with the 58cc, but the real deal for the 305 is a set of Vortec 305 heads which also have the 58cc chambers but the Vortec port design.
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44 Willys MB 52 M38A1 64 Corvette Coupe 68 Camaro 'vert LT1 & TH700 69 Z/28 355 12.6's @110 69 Chevy Short Step 4 1/2"/7" drop 72 Jimmy 4WD 4spd 4" & 35's 02 GMC 2500HD 4x4 Duramax |
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01-29-2011, 04:09 PM
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#6 |
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Registered User
Join Date: Apr 2008
Location: san fernando valley CA
Posts: 169
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Re: 305 heads on a 283???
how about a 350 vortec heads on a 283 with four barrel carb an a mild cam anybody done this before any info im building a 283 but i want a little more hp camel hump heads too expensive thanks for any info.
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01-30-2011, 07:54 AM
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#7 |
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its all about the +6 inches
Join Date: Jan 2001
Location: Hilliard Ohio
Posts: 2,690
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Re: 305 heads on a 283???
wow..... dead since 2003!
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