BUGA Community

Technical => Driveline => Topic started by: Marishka on November 28, 2014, 09:56:40 AM

Title: Holly carby id?
Post by: Marishka 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

Title: Re: Holly carby id?
Post by: BusyKiwi on November 28, 2014, 07:26:10 PM

On the top choke plate there should be some numbers or around that area, anything there?

Title: Re: Holly carby id?
Post by: Marishka on November 29, 2014, 01:25:17 PM

It has 487 on choke plate Busy.
Does that mean its a holley 487?

Title: Re: Holly carby id?
Post by: BusyKiwi 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 ?

Title: Re: Holly carby id?
Post by: Marishka 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

Title: Re: Holly carby id?
Post by: BusyKiwi 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

Title: Re: Holly carby id?
Post by: Marishka 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.

Title: Re: Holly carby id?
Post by: Sammy on November 29, 2014, 09:26:25 PM

some good info here about it :)

http://www.digitalcorvettes.com/forums/archive/index.php/t-161819.html

Title: Re: Holly carby id?
Post by: BusyKiwi 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

Title: Re: Holly carby id?
Post by: Marishka on November 30, 2014, 07:39:54 AM

Thanks  Busy,
Sounds like a can of worms to me.
Now what to replace it with?

Title: Re: Holly carby id?
Post by: MaTTe on November 30, 2014, 11:03:56 AM

Quadrajet as a replacement for sure, if you want one built let me know

Title: Re: Holly carby id?
Post by: Marishka on November 30, 2014, 12:45:14 PM

How much for a good one to suit a 253 MaTTe?