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05-19-2004, 07:38 AM
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#1 |
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Senior Member
Join Date: Mar 2003
Location: St robert Mo
Posts: 2,001
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carb size
Do you think a holley 600 cfm is big enough for a stock 350 with headers and intake?
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1968 c10 lowered 3" 4" 355/Th400 built by Hatfield racing in joplin MO |
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05-19-2004, 10:05 AM
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#2 | |
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Registered User
Join Date: Feb 2004
Location: Atlantic Highlands, N.J.
Posts: 139
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Quote:
It is not so much the Holley size, meaning a 600 or 650, but how it is set up. You can make a 600 out perform a 650 or 750 that is not set up correctly for a specific engine combination.
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86 GMC SWB, DK. BLUE, ZZ430,TH400, 4.11'S, HEADMAN CERAMIC HEADERS, WELD BILLETS, BFG 275 / 60 / 15, 325 / 50 / 15 DRAG RADIALS, FIBERGLASS COWL HOOD, B&M SHIFTER. MSD, MARCH PULLEYS / ALT. / PWR. STEER PUMP, BECOOL RAD., BILLET GRILL & GRANT WHEEL. |
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05-19-2004, 10:51 AM
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#3 |
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Senior Member
Join Date: Mar 2003
Location: St robert Mo
Posts: 2,001
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I have pn 0-80457 it say this is a universal for all v-8s 1965-69. I dont want to rejet and such as it is my 4x4 daily driver no racing but still want to max. my power. Should I look into getting a new carb or working with this one?
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1968 c10 lowered 3" 4" 355/Th400 built by Hatfield racing in joplin MO |
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05-19-2004, 10:54 AM
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#4 |
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Active Member
Join Date: Nov 2003
Location: Jacksonville, FL
Posts: 307
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That's the same carb I'm running right now on my Blazer. It works fine for me as a daily driver and still has enough to make the drive fun.
I'm running it on a 355 with vortec heads, Air-gap intake, headers and Comp 262 cam. If I were to change carbs right now it would probably be to the Road Demon Jr. 725. |
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05-19-2004, 11:08 AM
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#5 |
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Senior Member
Join Date: Mar 2003
Location: St robert Mo
Posts: 2,001
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Why a road deamon jr and not the road deamon?
Also where on the carb can I confirm the part number?
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1968 c10 lowered 3" 4" 355/Th400 built by Hatfield racing in joplin MO |
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05-19-2004, 11:16 AM
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#6 |
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Active Member
Join Date: Nov 2003
Location: Jacksonville, FL
Posts: 307
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mainly price....I can get a 725 Jr. for around $275 with vac secondaries and elec choke
The same thing in a Demon 750 would run close to $400 It's my daily so I want to keep it somewhat practical....  
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