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Holley 750 on a stock 440 intake - what's needed?
#272386
03/31/09 11:18 AM
03/31/09 11:18 AM
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Joined: Feb 2004
Posts: 632 My hovercraft is full of eels
DaveKanofsky
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I'm sure this has been done a million times - I'm putting a Holley list 3310-3 (750 cfm vac. sec.) on my 440 with a stock iron intake manifold. It's in a '69 Charger. I found that the linkage would need almost a 3/4" carb spacer to clear the intake in the choke area, which causes me hood clearance concerns with the stock unsilenced air cleaner. Any ideas for modifications that will buy me some clearance? I'm not crazy about grinding the intake if I can avoid it. Thanks for your input and ideas!
MOPARS ONLY! '69 Daytona, '16 Plum Crazy Challenger, '12 Durango, '01 Sebring conv't Chaplain, Racers For Christ ( http://teamrfc.org/) John 3:17
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Re: Holley 750 on a stock 440 intake - what's needed?
[Re: DaveKanofsky]
#272387
03/31/09 11:50 AM
03/31/09 11:50 AM
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Joined: Jan 2003
Posts: 75,083 U.S.S.A.
JohnRR
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I Win
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Quote:
I'm sure this has been done a million times -
I'm putting a Holley list 3310-3 (750 cfm vac. sec.) on my 440 with a stock iron intake manifold. It's in a '69 Charger.
I found that the linkage would need almost a 3/4" carb spacer to clear the intake in the choke area, which causes me hood clearance concerns with the stock unsilenced air cleaner.
Any ideas for modifications that will buy me some clearance? I'm not crazy about grinding the intake if I can avoid it.
Thanks for your input and ideas!
Drop base air cleaner base , Ford motorsport sells a 13" air cleaner that fit the holley prefectly and uses the same size airfilter as your factory unsilenced unit .
You pretty much have it figured out , the intake is the issue in the choke area , in 1970 the choke design was changed and it allows a holley to be bolted on without any mods to the intake .
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Re: Holley 750 on a stock 440 intake - what's needed?
[Re: DaveKanofsky]
#272388
03/31/09 11:53 AM
03/31/09 11:53 AM
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Anonymous
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Anonymous
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I had a '71 Chrysler 300 engine that had a factory cast iron intake that used a Holley bolt pattern. No need for spacers and worked perfect. I don't have a casting # handy but it had the square bore dual ovals under the carb rather than the big and little Thermoquad holes.
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Re: Holley 750 on a stock 440 intake - what's needed?
[Re: Mr.Yuck]
#272391
03/31/09 12:33 PM
03/31/09 12:33 PM
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Joined: Oct 2003
Posts: 7,506 Az
Crizila
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Dave, I have a 1/2" 2 hole ( oval holes) spacer you could try if you want. If it will work, it's yours.
Fastest 300
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Re: Holley 750 on a stock 440 intake - what's needed?
[Re: Mr.Yuck]
#272392
03/31/09 01:00 PM
03/31/09 01:00 PM
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Kudakidd
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Quote:
I'd go w/ a 1/2" 4 hole spacer. It will make every thing clear and give you a few more HP Plus it will keep the carb off the HOT intake
w/ Swingin. Also use that drop base air cleaner unit . Moroso and others make them,
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Re: Holley 750 on a stock 440 intake - what's needed?
[Re: Kudakidd]
#272393
03/31/09 01:59 PM
03/31/09 01:59 PM
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Joined: Jan 2003
Posts: 75,083 U.S.S.A.
JohnRR
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I Win
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Quote:
Quote:
I'd go w/ a 1/2" 4 hole spacer. It will make every thing clear and give you a few more HP Plus it will keep the carb off the HOT intake
w/ Swingin. Also use that drop base air cleaner unit . Moroso and others make them,
Yes Moroso and other make a drop base but the FORD MOTORSPORT unit is the ONLY one uses the same filter that fits the stock unsilenced air cleaner . Moroso and others use a 14" filter element
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Re: Holley 750 on a stock 440 intake - what's needed?
[Re: JohnRR]
#272394
03/31/09 02:16 PM
03/31/09 02:16 PM
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Joined: Feb 2004
Posts: 632 My hovercraft is full of eels
DaveKanofsky
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Thanks all, I sincerely appreciate your inputs. I started out trying the Mr. Gasket #97 heat dissipators that add up to 1/4", but they just aren't tall enough to clear the '69 intake. John, you have a PM.
MOPARS ONLY! '69 Daytona, '16 Plum Crazy Challenger, '12 Durango, '01 Sebring conv't Chaplain, Racers For Christ ( http://teamrfc.org/) John 3:17
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