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Author Topic: Holly carby id?  (Read 8487 times)

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Offline Marishka

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Holly carby id?
« on: November 28, 2014, 09:56:40 AM »
Hey can anyone id this holly 4 carby?
Its on my 253 holden motor.
Ive never seen one like it before and cant find
 any info even through google.

Cheers marty
« Last Edit: November 28, 2014, 05:10:00 PM by Marishka »
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Offline BusyKiwi

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Re: Holly carby id?
« Reply #1 on: November 28, 2014, 07:26:10 PM »
On the top choke plate there should be some numbers or around that area, anything there?
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Offline Marishka

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Re: Holly carby id?
« Reply #2 on: November 29, 2014, 01:25:17 PM »
It has 487 on choke plate Busy.
Does that mean its a holley 487?
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Offline BusyKiwi

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Re: Holly carby id?
« Reply #3 on: November 29, 2014, 04:20:12 PM »
It should have a 4 digit number, is there any numbers on the part that holds that choke flap ?
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There are so many people out there who will tell you that you can't. What you've got to do is turn around and say "watch me"

Offline Marishka

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Re: Holly carby id?
« Reply #4 on: November 29, 2014, 06:19:50 PM »
These are the only other numbers anywhere near the choke flap Busy
On the carby casing Near the fuel inlet L7455
0742
« Last Edit: November 29, 2014, 06:37:59 PM by Marishka »
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Offline BusyKiwi

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Re: Holly carby id?
« Reply #5 on: November 29, 2014, 07:32:44 PM »
Looks like it's a 450cfm

I'll look in my files tomorrow to make sure and see if I can find out what it was off originally
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Offline Marishka

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Re: Holly carby id?
« Reply #6 on: November 29, 2014, 07:46:38 PM »
Thanx Busy
It would be cool to know.
When i stand on it there is a breif hesitation
And Its like the second set of barrels arnt working at all.
Im wondering if the secondary jets are clogged or something.
« Last Edit: November 29, 2014, 07:49:43 PM by Marishka »
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Offline Sammy

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Re: Holly carby id?
« Reply #7 on: November 29, 2014, 09:26:25 PM »
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No matter what the question is, the answer is always more horsepower!

Offline BusyKiwi

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Re: Holly carby id?
« Reply #8 on: November 30, 2014, 06:21:03 AM »
More info here  http://oldholden.com/node/57088

Doesn't look like it's worth playing with though
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There are so many people out there who will tell you that you can't. What you've got to do is turn around and say "watch me"

Offline Marishka

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Re: Holly carby id?
« Reply #9 on: November 30, 2014, 07:39:54 AM »
Thanks  Busy,
Sounds like a can of worms to me.
Now what to replace it with?
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