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06-18-2008, 08:42 PM
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#1 |
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Registered User
Join Date: Jun 2008
Location: Bedford, Indiana
Posts: 65
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Dumb question
Ok guy please try and hold the laughing. I have a 350 out of a 70 chevy. The engine had a dualjet 200 on it. Well the carb sucked. A friend let me us a four barrel holley and a adapter plate. Well I was testing fitting and I hit a problem. the back to studs on the intake are in the way of the holley. Could you all give me some suggestions. Here is a picture for your viewing pleasure.
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50th Anniversary 1968 Chevy C10 Custom LONGBED FLEETSIDE 350 out of a 70 chevy |
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06-18-2008, 08:46 PM
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#2 | |
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20' Daredevil (Ret)
 
Join Date: May 2003
Location: Jefferson State
Posts: 13,692
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Re: Dumb question
Quote:
 Sorry, not much help... But I couldn't resist.  There must be a different adapter that will work for you.
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- Mike - 1972 K20 LWB 350/350/205 RIP El Jay Last edited by Stocker; 06-18-2008 at 08:47 PM. |
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06-18-2008, 08:50 PM
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#3 |
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Registered User
Join Date: May 2007
Location: Moore, Oklahoma
Posts: 2,396
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Re: Dumb question
a new manifold is miles better than an adapter plate -- you could probably pick one up for $25 or so if you look around (cast iron gm manifold -- would still need a spreadbore to squarebore adapter, but at least the intake size is closer)
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Are you retired too? Nonsense! I'm in my prime |
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06-18-2008, 09:14 PM
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#4 |
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I have a radical idea!
Join Date: Jan 2005
Location: Sweet Home Alabama!
Posts: 6,513
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Re: Dumb question
I think you need to take the studs out and move them to the outside holes. It looks that 2 to 4 adaptor has the spread bore (Q jet) and square bore (Holley) patterns, and the studs are in the Q-jet holes. Hard to be sure from that pic though.
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'67 C-30 Dually Pickup 6.2 Turbo Diesel, NP435 ‘72 C-10 SWB , 350 4bbl, TH350 '69 C-10 SWB , 250 L6, 3 OTT '69 GMC C3500, dump truck, 351 V6, NP435 '84 M1009 CUCV Military Blazer 67 C-30 Turbodiesel build thread http://67-72chevytrucks.com/vboard/s...d.php?t=254096 My trucks http://s226.photobucket.com/albums/d...ediafilter=all Member of the 1-Ton Club! |
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06-18-2008, 10:40 PM
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#7 |
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Senior Member
Join Date: Sep 2000
Location: Agency IA.
Posts: 1,845
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Re: Dumb question
You have to take the studs out and put in alan head bolts and you should be able to stick bolts up from the bottom to hold the carb on.
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72 Chevy short step side with 454 air and tilt. 72 nova project car 63 chevy II drag car Agency Iowa |
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06-18-2008, 10:54 PM
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#8 |
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Registered User
Join Date: May 2007
Location: Moore, Oklahoma
Posts: 2,396
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Re: Dumb question
dude - be on the lookout for an intake soon -- even if you get that one running ok- look at how it shrouds the primary openings
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Are you retired too? Nonsense! I'm in my prime |
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06-19-2008, 01:04 AM
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#9 | |
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Registered User
Join Date: Aug 2006
Location: Bakersfield,CA
Posts: 7,893
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Re: Dumb question
Quote:
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-steven Alte Seele S.S. "Allison" '72 C/10 LWB 350SB/TH350 - DD PITBULL IS NOT A CRIME |
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06-19-2008, 08:32 AM
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#10 |
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Old Skool Club
Join Date: Jun 2001
Location: Benton, AR "The Heart of Arkansas"
Posts: 10,880
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Re: Dumb question
For what it's worth...my truck had a Q-Jet intake with an adapter plate (just like yours) and was running an Edelbrock 1401 series carb when I bought it. It ran rich and would bring tears to your eyes if you got near the exhaust.
I bought an Edelbrock Performer intake and an Edelbrock 1901 Q-Jet and installed them. I had to put a heat shield on the starter, due to the leaner running of the carb/intake setup. No more tears when you smell the exhaust and it runs MUCH better, and my mileage is better. Find a carb/intake combo that is a matching set, even if it is original in style, and you'll have a better running engine. The adapter, in my opinion, doesn't let the fuel/air mixture flow correctly. That huge opening can't possibly direct the mixture in the best style for proper combustion and performance. Economy doesn't even figure in to the equation.
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Member Nr. 2770 '96 GMC Sportside; 4.3/SLT - Daily driven....constantly needs washed. '69 C-10 SWB; 350/TH400 - in limbo The older I get, the better I was. Last edited by ChevLoRay; 06-19-2008 at 08:33 AM. |
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06-19-2008, 09:04 AM
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#11 |
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Registered User
Join Date: Jun 2008
Location: Bedford, Indiana
Posts: 65
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Re: Dumb question
Thanks guys. yeah I plan on getting something better in the future. Right now this is my only trash hauler. Just get it running I have to do this but I will look for an intake and carb later. Thanks for the help.
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50th Anniversary 1968 Chevy C10 Custom LONGBED FLEETSIDE 350 out of a 70 chevy |
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06-19-2008, 09:57 AM
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#12 |
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Senior Member
Join Date: Apr 2008
Location: Franklinton NC
Posts: 1,309
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Re: Dumb question
I saw an edelbrock performer on ebay for $25.Used of course.
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