Re: Restoring Rusty
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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 |
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Might be missing the adapter gizmo. [ATTACH]1572964
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Yea, you need a 7/8-20 adapter to I think 3/8. I don't know if it's inverted flare or NPT though.
I just went though this because I converted everything to black anodized AN fittings, and I literally just took a second freelance Webdev job to afford this stuff. Also, I decided to go with the Quickfuel Slayer 750 on my 383, it seems to work great so far. |
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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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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Inverted Flare Fitting 3/8" Tube; Fuel Bowl Thread 7/8-20 (A) x Inlet Thread 5/8-18 (B) PART# 26-26 Suggested Retail: $12.04 Your Price:$10.84 I swear I am gonna have to get a job at Walmart as a greeter just to afford this stuff, as Holley nickel and dimes you to death for every single little piece, ha ha |
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*** Added a TABLE OF CONTENTS to the very first post with the Thread Numbers. ***
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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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carb parts
Holley Quickchange Vacuum Secondary Housing Cover Cover-Diaphragm Housing 1 x 4 bbl Part# 20-59 |
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more carb parts
Holley Secondary Diaphragm Spring Kit Part# 20-13 |
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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 |
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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 |
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mandatory stare and compare
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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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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 |
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Nice work.
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Can't wait to see how she's running with the new parts.
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Hell yeah! Keep up the good work man.
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Just yesterday a new larger .035" accelerator pump nozzle aka "squirter" fixed the delayed Vroo Vroooooooooooom when you floor it in neutral, now it is nice and smooth throughout the RPM range A lighter tall yellow secondaries spring fixed the hesitation upon acceleration when in gear (the carb came with a plain spring), now that's smooth. She wants to run bro, I get that feeling she's like a Filly that can smell the fresh cut grass on the race track and just wants to run!!! So Cool Driving Rusty to work every day this week just to shake out any sillyness. I just need to fix the exhaust leak [AGAIN] and she'll be ready for another Dyno Test straight after Pay Day next week, ha ha |
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