So... anyone have a base for a Holley 8007 hanging around? - Team Camaro Tech
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post #1 of 17 (permalink) Old Jul 22nd, 15, 11:00 AM Thread Starter
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So... anyone have a base for a Holley 8007 hanging around?





Seriously, though, anyone have a base available?

On a brighter note: I found my vacuum leak!

Might be an excuse to go to 500 CFM as that's where this engine is heading anyway. I'm about out of carb already and I haven't done the head work yet.

Sold:
1968 Base hardtop 250 with a P̶G̶ built 2004r
Offy intake
Holley 390 CFM carb
Langdon split header to a 2.5" exhaust
Mild cam
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post #2 of 17 (permalink) Old Jul 22nd, 15, 12:27 PM
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Re: So... anyone have a base for a Holley 8007 hanging around?

JB Weld
Most any base plate will work.

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post #3 of 17 (permalink) Old Jul 22nd, 15, 12:39 PM Thread Starter
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Re: So... anyone have a base for a Holley 8007 hanging around?

Quote:
Originally Posted by Everett#2390 View Post
JB Weld
Most any base plate will work.
A lot of people have said JB Weld. At first I thought it was a joke. Now I'm starting to wonder if people aren't serious...

Sold:
1968 Base hardtop 250 with a P̶G̶ built 2004r
Offy intake
Holley 390 CFM carb
Langdon split header to a 2.5" exhaust
Mild cam
Custom interior
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post #4 of 17 (permalink) Old Jul 22nd, 15, 01:12 PM
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Re: So... anyone have a base for a Holley 8007 hanging around?

maybe it is just me, but I never had no success with jb weld
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post #5 of 17 (permalink) Old Jul 22nd, 15, 01:27 PM
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Re: So... anyone have a base for a Holley 8007 hanging around?

I had the same issue with the old 600cfm gm numbered carb from my old corvette. I guess I could have used the baseplate from any old 600 but I think the pcv was in a weird spot compared to generic 600s. I couldnt get any kind of jb weld stuff to work. Ended up with a newer carb and it ran better anyway.
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post #6 of 17 (permalink) Old Jul 22nd, 15, 02:04 PM
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Re: So... anyone have a base for a Holley 8007 hanging around?

JB Weld is great in some applications but not where heat is a factor, the heat causes cured epoxies to turn soft and fail.

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post #7 of 17 (permalink) Old Jul 22nd, 15, 02:39 PM
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Re: So... anyone have a base for a Holley 8007 hanging around?

It's aluminum. TIG it up and run a file across the bottom.
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post #8 of 17 (permalink) Old Jul 22nd, 15, 07:53 PM
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Re: So... anyone have a base for a Holley 8007 hanging around?

Ya George, I have one. PM sent...Jb

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post #9 of 17 (permalink) Old Jul 23rd, 15, 07:15 AM
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Re: So... anyone have a base for a Holley 8007 hanging around?

Like painting a car, your success with epoxy (JB Weld) will depend upon preparation of the part. There is also the problem with the epoxy clogging or completely closing any small machined passages. If properly prepped and there are no passageways; then the epoxy will hold the part together in tension as well as the base metal. It will not support shear however, so it won't tolerate much in terms of side loading (over torquing the base plate).

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post #10 of 17 (permalink) Old Jul 23rd, 15, 07:42 AM
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Re: So... anyone have a base for a Holley 8007 hanging around?

JB weld will not hold that.

You might be able to buy a new base directly from Holley. Call the custom shop and ask.

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post #11 of 17 (permalink) Old Jul 23rd, 15, 08:37 PM Thread Starter
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Re: So... anyone have a base for a Holley 8007 hanging around?

So I'm starting to consider just going up a size or two.

I've felt the 390 wasn't enough for the engine:

250
Offy intake.
390 CFM carb
Langdon split headers.
2.5" single exhaust
Flowmaster 44 muffler.

This winter I'll pull the head, add in oversized valves and lump ports (and a polish) and a cam.

So.... 450 CFM? Bigger? How much?

Sold:
1968 Base hardtop 250 with a P̶G̶ built 2004r
Offy intake
Holley 390 CFM carb
Langdon split header to a 2.5" exhaust
Mild cam
Custom interior
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post #12 of 17 (permalink) Old Jul 23rd, 15, 10:01 PM
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Re: So... anyone have a base for a Holley 8007 hanging around?

Before putting another carb on that intake I would make sure the intake is perfectly flat.

Roger

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post #13 of 17 (permalink) Old Jul 23rd, 15, 11:20 PM
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Re: So... anyone have a base for a Holley 8007 hanging around?

Quote:
Originally Posted by Gbauer View Post
So I'm starting to consider just going up a size or two.

I've felt the 390 wasn't enough for the engine:

250
Offy intake.
390 CFM carb
Langdon split headers.
2.5" single exhaust
Flowmaster 44 muffler.

This winter I'll pull the head, add in oversized valves and lump ports (and a polish) and a cam.

So.... 450 CFM? Bigger? How much?
570 Street Avenger, great carb for a small motor! http://www.summitracing.com/parts/hly-0-80570/overview/

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post #14 of 17 (permalink) Old Jul 23rd, 15, 11:29 PM
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Re: So... anyone have a base for a Holley 8007 hanging around?

You ought to try a 500 cfm Holley. Back in the day I knew a couple of guys that had Plymouth Dusters with the slant 6 engine. They would change intake manifolds and carburetors and add an aftermarket camshaft and Hooker headers. I believe Offy's were the manifolds they used too. The Dusters gave many guys with a stock 327 engine a surprise.
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post #15 of 17 (permalink) Old Jul 24th, 15, 08:52 AM Thread Starter
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Re: So... anyone have a base for a Holley 8007 hanging around?

Called Holley: getting a new base for $88 shipped.

I'll wait on more air and fuel until I go efi.

Sold:
1968 Base hardtop 250 with a P̶G̶ built 2004r
Offy intake
Holley 390 CFM carb
Langdon split header to a 2.5" exhaust
Mild cam
Custom interior
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