Holley 450 cfm economaster troubleshoot - Page 4 - Team Camaro Tech
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post #46 of 69 (permalink) Old Dec 26th, 11, 08:03 PM
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Re: Holley 450 cfm economaster troubleshoot

Look here..All the numbers seem to be the same.

http://pirate4x4.com/tech/billavista...20listings.pdf

Remember,I'm not making this stuff up!

1969 rs/ss 396 350hp/4spd conv a/c,pw,ps,foldown
1968 Z/28 crossram- j/l8 conv pw,ps,foldown
1963 nova ss 350/4spd conv a/c,ps,pt
1963 nova 400 4dr 6cyl/700r4 a/c
2006 GT/5spd mustang conv
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post #47 of 69 (permalink) Old Dec 26th, 11, 09:54 PM
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Re: Holley 450 cfm economaster troubleshoot

Quote:
If i can take it apart without destroying a gasket i will attempt.
Hint vert light smear of oil on gaskets before assemble 'makes side of the road repairs ' easier as the gaskets dont stick and rip ..even yrs later

My Spelling is not incorrect...it is creative

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post #48 of 69 (permalink) Old Dec 27th, 11, 08:59 AM
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Quote:
Originally Posted by Steptoe View Post
Hint very light smear of oil on gaskets before assemble ...
I use a little wipe of 'Vaseline' on gaskets like these
Keep a little jar in the shop just for this.
'Chap-Stick' works for on-the-road repairs

1968 Convertible
Some trucks
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post #49 of 69 (permalink) Old Dec 27th, 11, 11:48 AM Thread Starter
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Re: Holley 450 cfm economaster troubleshoot

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Originally Posted by wagonman View Post
Look here..All the numbers seem to be the same.

http://pirate4x4.com/tech/billavista...20listings.pdf
John, Thank you! That is an extremely useful chart.

It shows that the Holley 4360 used several different primary and secondary jets through across the 4360 list numbers. The "124-" indicates it is a metric thread jet and the 3 digits following/stamped on the jets indicate flow rate in CC/min.

Some Holley 5200 two barrels used the same metric jets. The 5200 was manufactured under license from Weber.

'67 rs - ordered new by my Grandfather
327 L30, K-K, Deluxe int, tach & gauges, 12 bolt posi, 4 speed.

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post #50 of 69 (permalink) Old Dec 27th, 11, 07:05 PM
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Re: Holley 450 cfm economaster troubleshoot

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Originally Posted by Vintage 68 View Post
I use a little wipe of 'Vaseline' on gaskets like these
Keep a little jar in the shop just for this.
'Chap-Stick' works for on-the-road repairs
I use this trick as well.

I'm not sure if i did it on this Economaster at the time around 1999.I probably did'nt.The Vaseline trick eventually dries out over time.

Chap stick also works well for diaper rash when camping.......long story....But dont ever ask my brother-in law for his chap stick!

Remember,I'm not making this stuff up!

1969 rs/ss 396 350hp/4spd conv a/c,pw,ps,foldown
1968 Z/28 crossram- j/l8 conv pw,ps,foldown
1963 nova ss 350/4spd conv a/c,ps,pt
1963 nova 400 4dr 6cyl/700r4 a/c
2006 GT/5spd mustang conv
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post #51 of 69 (permalink) Old Dec 27th, 11, 07:05 PM
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Re: Holley 450 cfm economaster troubleshoot

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Originally Posted by Melrose RS View Post
John, Thank you! That is an extremely useful chart.

It shows that the Holley 4360 used several different primary and secondary jets through across the 4360 list numbers. The "124-" indicates it is a metric thread jet and the 3 digits following/stamped on the jets indicate flow rate in CC/min.

Some Holley 5200 two barrels used the same metric jets. The 5200 was manufactured under license from Weber.
You're welcome.

Remember,I'm not making this stuff up!

1969 rs/ss 396 350hp/4spd conv a/c,pw,ps,foldown
1968 Z/28 crossram- j/l8 conv pw,ps,foldown
1963 nova ss 350/4spd conv a/c,ps,pt
1963 nova 400 4dr 6cyl/700r4 a/c
2006 GT/5spd mustang conv
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post #52 of 69 (permalink) Old Dec 27th, 11, 08:01 PM
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Re: Holley 450 cfm economaster troubleshoot

This is my 63 Convertible in the early 80's.Had the Economaster on it.



Remember,I'm not making this stuff up!

1969 rs/ss 396 350hp/4spd conv a/c,pw,ps,foldown
1968 Z/28 crossram- j/l8 conv pw,ps,foldown
1963 nova ss 350/4spd conv a/c,ps,pt
1963 nova 400 4dr 6cyl/700r4 a/c
2006 GT/5spd mustang conv
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post #53 of 69 (permalink) Old Dec 28th, 11, 05:01 AM Thread Starter
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Cool. Today's AutoZone employees would probably think it's a TBI.


Sent from my iPhone using Autoguide

'67 rs - ordered new by my Grandfather
327 L30, K-K, Deluxe int, tach & gauges, 12 bolt posi, 4 speed.

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post #54 of 69 (permalink) Old Dec 28th, 11, 08:25 AM
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Talking Re: Holley 450 cfm economaster troubleshoot

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Originally Posted by wagonman View Post
I use this trick as well.
... Chap stick also works well for diaper rash when camping.......long story...
I've never had diaper rash while camping - maybe a slight 'other' rash ... but that's a thread hi-jack waiting to happen

Quote:
Originally Posted by wagonman View Post
This is my 63 Convertible in the early 80's. ...
Love that Master Cylinder Cover

Have that exact same distributor and coil in my parts bin in the shop
Would be fantastic on a 'Day-2' F-Body

1968 Convertible
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Oh yeah, and 1 "Straight-Six" ...
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post #55 of 69 (permalink) Old Dec 28th, 11, 11:40 AM
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Re: Holley 450 cfm economaster troubleshoot

Quote:
The Vaseline trick eventually dries out over time
I have never had an issue with oil or grease....a few drops o9ff the dipstick is easier than keeping a jar ....somewhere on a shelf in the workshop lol.

Been having a good look at that chart, Im suire that is the same chart that is in my missing holley book...and there was another one that then gave apllication to engine size /manual/auto/stock , mild and street strip cams.

My Spelling is not incorrect...it is creative

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post #56 of 69 (permalink) Old Dec 28th, 11, 03:07 PM Thread Starter
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Re: Holley 450 cfm economaster troubleshoot

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Originally Posted by Steptoe View Post
I have never had an issue with oil or grease....a few drops o9ff the dipstick is easier than keeping a jar ....somewhere on a shelf in the workshop lol.

Been having a good look at that chart, Im suire that is the same chart that is in my missing holley book...and there was another one that then gave apllication to engine size /manual/auto/stock , mild and street strip cams.
Steps, is this the book you're remembering? Model 4360 pg 69.
I just ordered one. It should be here in a day or two.


'67 rs - ordered new by my Grandfather
327 L30, K-K, Deluxe int, tach & gauges, 12 bolt posi, 4 speed.

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post #57 of 69 (permalink) Old Dec 28th, 11, 05:46 PM
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Re: Holley 450 cfm economaster troubleshoot

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Originally Posted by Vintage 68 View Post

Love that Master Cylinder Cover
Oh my god...thats embarrassing!

I think i have it tied down with wire!

Be nice! I was young once! We all were!

Remember,I'm not making this stuff up!

1969 rs/ss 396 350hp/4spd conv a/c,pw,ps,foldown
1968 Z/28 crossram- j/l8 conv pw,ps,foldown
1963 nova ss 350/4spd conv a/c,ps,pt
1963 nova 400 4dr 6cyl/700r4 a/c
2006 GT/5spd mustang conv
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post #58 of 69 (permalink) Old Dec 28th, 11, 05:48 PM
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Re: Holley 450 cfm economaster troubleshoot

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Originally Posted by Melrose RS View Post
Steps, is this the book you're remembering? Model 4360 pg 69.
I just ordered one. It should be here in a day or two.

Let us know if the book is worth getting......

Remember,I'm not making this stuff up!

1969 rs/ss 396 350hp/4spd conv a/c,pw,ps,foldown
1968 Z/28 crossram- j/l8 conv pw,ps,foldown
1963 nova ss 350/4spd conv a/c,ps,pt
1963 nova 400 4dr 6cyl/700r4 a/c
2006 GT/5spd mustang conv
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post #59 of 69 (permalink) Old Dec 28th, 11, 09:42 PM
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Re: Holley 450 cfm economaster troubleshoot

Thats it, what are u doing with my book!!!!

There are about 3 or 4 holley books, thats a real old one going back at least a couple decades now...Mine was 2nd hand when I got it around '80 /81

My Spelling is not incorrect...it is creative

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post #60 of 69 (permalink) Old Dec 31st, 11, 06:25 PM Thread Starter
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Re: Holley 450 cfm economaster troubleshoot

Finally got time to install new jets and road test. It was a very short ride, just around the block but it appears the lean stumble is gone. But it also appears I overshot the mark on the jet size(just guessed ) and now it's running 12.7:1 at ~2,550 rpms. I'd like to get back to about 14.7-15.2 at that same cruising rpm.

So here's a recap.
-Jets are available from a few different sources.
www.carbsonly.com is one place to purchase jets as well as http://www.weberjets.com/

The secret is you need to purchase jets for a Weber 32/36 carb. HOWEVER, Holley numbered the original jets in flow rate in cc/min. The Weber jets are numbered by oriface size in mm.
That's where this cross reference chart comes in.


Many of the list numbers for this carb in the link Wagonman posted above show 215 as the primary jet. Remember, that's 215 on the left side of the chart above(roughly 125 on the Weber side)

I have not received the book shown above yet, but I did purchase another book that includes some great info about this carb. It has very good explanations of the inner workings including the operation of the power valve, but does have an error or two. (They have a photo caption of the needle/seat and saying it's the powervalve)


I'll report on the other book after I receive it.

Tonight I just snagged another one of these carbs off ebay for the whopping sum of $5.50! Seller didn't really know what it was. Had it listed as a 600 cfm.

'67 rs - ordered new by my Grandfather
327 L30, K-K, Deluxe int, tach & gauges, 12 bolt posi, 4 speed.

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Last edited by Melrose RS; Dec 31st, 11 at 07:17 PM.
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