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09-21-2016, 02:53 AM | #1 |
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Re: Restoring Rusty
and here it is all "converted" to a 4150 using the Holley Kit Part Number 34-6SA
if there is one thing I love about Holley is their very super simple part numbers the kit just comes with a secondary metering block and a longer straw aka transfer tube and some hardware ok and new gaskets the metering block is super lame, the idle mixture holes are there but are not threaded nor drilled all the way through, so you do not end up with what they call a 4 corner idle the block also does not have an opening for a power valve nor pre drilled holes for a secondary accelerator pump, but that's ok, this is not a double pumper Last edited by Gregski; 09-21-2016 at 03:35 AM. |
09-21-2016, 02:57 AM | #2 |
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Re: Restoring Rusty
so since you didn't ask I'll share anyways
a plate is like saying something is hard coded, ie it is not adjustable, you want to change the way the secondary circuit flows you gotta buy a whole new plate with different termite tunnels in it a block on the other hand is adjustable though not all blocks are created equal, in this one for example the only thing I can adjust or replace are the jets, but hey that's better than nothing A company called Quick Fuel Technologies does it right they make Holley like carbs with metering blocks that you can adjust everything on, emulsion tubes, idle jets, power valve restriction channels, say what? yeah you heard me here we stare and compare a secondary metering plate to a secondary metering block |
09-21-2016, 03:07 AM | #3 |
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Re: Restoring Rusty
alright so now we are cooking with Propane! ha ha
but we want more... we want new center hung float bowls with sight glasses for adjusting float levels cause that remove a side bolt and watch fuel poor out on to the hot engine block aint no fun |
09-21-2016, 03:10 AM | #4 |
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Re: Restoring Rusty
but of course the new float bowls come plane Jane naket so now we need to source new center hung floats and their hanger hardware and we also need new DUAL inlet hard fuel line to replace that pesky transfer tube
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09-21-2016, 03:14 AM | #5 |
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Re: Restoring Rusty
so nothing to it but to do it
so yeah the old 4160 came with side hung floats (who knew there was different kind am I right fellers?) now not all 4160 carbs come with side hung floats, some do come with center hung, all that 4160 means is one block and one plate but we already pounded that horse to death so yeah the floats aint transferable (kinda like my junior college recreation and leisure class, ha ha - I'm looking at you American River College) |
09-21-2016, 03:17 AM | #6 |
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Re: Restoring Rusty
and yeah the 200 lbs Gorilla did break the Accelerator Pump Umbrella Check Valve whilst trying to transfer the Accelerator Pump from the old float bowl to the new one - I mean sometimes I don't know my own strength
(yes I did just use the word "whilst" it's a lost art I tell yeah) |
09-21-2016, 03:19 AM | #7 |
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Re: Restoring Rusty
so went to the local Hot Rod Shop to pick up one $10 dollar replacement part and came home with this
this ever happen to you fellers? |
09-21-2016, 03:21 AM | #8 |
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Re: Restoring Rusty
alright got the new Umbrella Check Valve installed and got the Accelerator Pump transferred
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09-21-2016, 03:23 AM | #9 |
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Re: Restoring Rusty
and got my new 4150 carb all buttoned up, looks more and more like the real deal now don't it?
nothing against Edelbrock but Holley is just a sexier carb in my opinion |
09-21-2016, 03:29 AM | #10 |
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Re: Restoring Rusty
KOOGLIE MOOGLIE
just when I thought we were out of the woods the darn new dual hard fuel line fittings don't fit, they are way too small, the holes in the float bowls appear to be huge like 7/8ths and these fittings are like 5/8ths it ain't easy fellers, it aint easy Last edited by Gregski; 09-21-2016 at 03:39 AM. |
09-21-2016, 09:41 AM | #11 |
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Re: Restoring Rusty
Gregski, is it a 4160 or a 4150? You mentioned 4160, then later 4150. I'd like to know as I might decide to go with this rather than the $400 Edelbrock I was looking at. As I also have a 1974 GMC with 350ci V8.
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09-21-2016, 09:51 AM | #12 | |
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Re: Restoring Rusty
Quote:
If I had to do it all over again I would have bought the 4150 model Part# 0-80783C also a Classic Holley. both have vacuum secondaries both have electric chokes but the 80783 already comes with the center hung float bowls with the dual inlet, the only thing it lacks is the sight glass in the fuel bowls, and it is made of heavy Zinc instead of light Aluminum, but still a better carb if price is a deciding factor look for these on eBay sold by Holley Performance as referbished you can get them for under $300 and they are done by the Holley guys / factory (dang it I just gave away my secret) here's a pic of the better 80783 4150 style carb |
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09-21-2016, 10:16 AM | #13 | |
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Re: Restoring Rusty
Quote:
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09-24-2016, 10:57 AM | #14 |
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Re: Restoring Rusty
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09-24-2016, 11:38 AM | #15 |
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Re: Restoring Rusty
*** Added a TABLE OF CONTENTS to the very first post with the Thread Numbers. ***
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09-25-2016, 09:45 AM | #16 |
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Re: Restoring Rusty
just another reason to convert from the 4160 style carb to the 4150, this transfer tube that connects the fuel bowls is a PIA when changing jets or power valves and the rubber gaskets rip and tear
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09-25-2016, 10:39 AM | #17 |
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Re: Restoring Rusty
carb parts
Holley Quickchange Vacuum Secondary Housing Cover Cover-Diaphragm Housing 1 x 4 bbl Part# 20-59 |
09-25-2016, 10:42 AM | #18 |
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Re: Restoring Rusty
more carb parts
Holley Secondary Diaphragm Spring Kit Part# 20-13 |
09-25-2016, 10:54 AM | #19 |
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Re: Restoring Rusty
so my carb came with a spec sheet, which was wrong by the way, it said it came with the Purple vacuum secondary spring, well it didn't it had the plain one
moral of the story gentlemen, please check what you have installed don't trust no written word, ha ha Introducing the starting line up (from left to right, lightest to heaviest) Snow White, Short Yeller, Tall Yeller, Purple Rain, Plain Jane, Too Tall Brown, and Back in Black Last edited by Gregski; 09-25-2016 at 10:59 AM. |
09-25-2016, 11:03 AM | #20 |
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Re: Restoring Rusty
so we remove the appendage and remove the cap / lid
first we gotta remove the electric choke housing and slide that out of the way, PIA, the Greg does not like dependencies and prefers a nice isolated stand alone modular setup, in other words why does the electric choke have to block/hang off the vacuum pod |
09-25-2016, 11:07 AM | #21 |
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Re: Restoring Rusty
mandatory stare and compare
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09-25-2016, 11:09 AM | #22 |
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Re: Restoring Rusty
now we thought we were too cool for school and that we could git er done on the carb on the truck, but turns out that rubber plunger/diaphraghm is so pesky that we decided to remove the entire vacuum pod and put the new lid on it on the work bench
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09-25-2016, 11:12 AM | #23 |
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Re: Restoring Rusty
and here it be in all its glory back on the carb back on the truck
be super careful with that microscopic clip washer that holds the push rod on the cam lever thingie it is practically invisible to the human eye, lol and my God this is the best single investment you can make to your Holley carb, it takes a 20 minute job (replacing springs) and cuts it down to 2 minutes (that includes chugging a beer) ha ha |
09-25-2016, 01:02 PM | #24 |
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Re: Restoring Rusty
Nice work.
Posted via Mobile Device |
09-25-2016, 02:00 PM | #25 |
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Re: Restoring Rusty
Can't wait to see how she's running with the new parts.
Last edited by Hewfil1; 09-25-2016 at 02:10 PM. |
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