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Tech Talk => Engine Mechanical / Electrical => Topic started by: jamiemwedmore1234 on December 21, 2014, 10:58:52 AM

Title: Holly carb.
Post by: jamiemwedmore1234 on December 21, 2014, 10:58:52 AM: Need some help I currently have a only hp 950 and I need to change out the power valve to a 4.5. My question is does the hp series carbs use a different power valve then the standard carbs cause if they don't pepboys Napa or even oriley carries them for about 10$$ but neither of them can tell me if it will work on a hp carb. Thanks in advance

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Title: Re: Holly carb.
Post by: Flusher on December 21, 2014, 11:32:34 AM: The HP series is a 4150 based carb which will utilize standard jets and power valves.

Good luck,

Joe
Title: Re: Holly carb.
Post by: jamiemwedmore1234 on December 21, 2014, 01:06:02 PM: So I talked to Holly Tec support about my carb issues they said to put in a 4.5 power valve and to NOT adjust the idle at the base plate but to do it pull the air cleaner stud out and you adjust it there on the hp serious carbs I don't see no adjustment screw there. tho is he wrong

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Title: Re: Holly carb.
Post by: Flusher on December 21, 2014, 03:55:32 PM: If it is there, it will be way down in the bottom of the air filter stud hole. You might need to grind a screwdriver small enough to fit inside the .257 inch minor diameter of the 5/16-18 thread for the air filter stud. My calibrated fuel leak doesn't have that feature, maybe because it is not a true HP series.
Title: Re: Holly carb.
Post by: TrollerDave on December 21, 2014, 04:08:50 PM: Quote from: Flusher on December 21, 2014, 03:55:32 PM
You might need to grind a screwdriver small enough to fit inside the .257 inch minor diameter of the 5/16-18 thread for the air filter stud.

What are you, a machinist?! Who talks like that? ;D
Title: Re: Holly carb.
Post by: JARVIS on December 21, 2014, 04:13:33 PM: 8)
funny....i thought the same thing.... ^-^
Title: Re: Holly carb.
Post by: Flusher on December 21, 2014, 04:43:05 PM: I'm trying to be more social. This is my first attempt at social media. How am I doing so far?

Cheers,

Joe
Title: Re: Holly carb.
Post by: jyeager on December 21, 2014, 09:30:50 PM: Quote from: TrollerDave on December 21, 2014, 04:08:50 PM
What are you, a machinist?! Who talks like that? ;D
Yeah, he is 👍👍👍👍

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Title: Re: Holly carb.
Post by: TrollerDave on December 21, 2014, 09:47:41 PM: Quote from: Flusher on December 21, 2014, 04:43:05 PM
I'm trying to be more social. This is my first attempt at social media. How am I doing so far?

Cheers,

Joe

Doing fantastic! :thumb up:

Quote from: jyeager on December 21, 2014, 09:30:50 PM
Yeah, he is 👍👍👍👍

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Yeah, I saw "The Machinist" in his avatar.
Just a little sarcasm. Not too many people described a hole down to the .000ths. ;D
Title: Re: Holly carb.
Post by: JARVIS on December 22, 2014, 12:11:42 AM: Quote from: jyeager on December 21, 2014, 09:30:50 PM
Yeah, he is 👍👍👍👍

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yeah i knew that, and took him to be a cool guy....hence my contribution to sarcasm. i trust he took it in fun. :beer: