Welcome Guest! To enable all features please Login or Register.

Notification

Icon
Error

Login


Take the time to read our Privacy Policy.

HQ_SS_Andy Offline
#1 Posted : Friday, 12 November 2021 12:16:06 PM(UTC)
HQ_SS_Andy

Rank: Member

Reputation:

Groups: Registered
Joined: 22/08/2020(UTC)
Posts: 10
Australia
Location: Sydney

I have an HQ with a 304 engine, Holley carburetor and electric fuel pump.
In general, should electric fuel pumps have a pressure regulator between it and the carburetor ?
I don't have a separate regulator, and I don't think the pump has a built in one. I've always wondered is I should have one.

The fuel pump I have is this one:
https://fuelflow2020.nz/?page_id=167

Carburetor is 4165 type (List =6498)

Tks&Rgds.
HK1837 Offline
#2 Posted : Friday, 12 November 2021 12:53:43 PM(UTC)
HK1837

Rank: Veteran

Reputation:

Groups: Moderator, Registered, Veteran
Joined: 1/03/2005(UTC)
Posts: 13,917

Thanks: 1 times
Was thanked: 323 time(s) in 311 post(s)
Have a look on Holley’s site, they should have the recommended fuel pressures for their different carbs. If you can’t find it I’ll see if I can later.
_______________________________________________________
If we all had the same (good) taste, who would buy all the Fords?
HK1837 Offline
#3 Posted : Friday, 12 November 2021 6:11:47 PM(UTC)
HK1837

Rank: Veteran

Reputation:

Groups: Moderator, Registered, Veteran
Joined: 1/03/2005(UTC)
Posts: 13,917

Thanks: 1 times
Was thanked: 323 time(s) in 311 post(s)
Have a watch and read. Might help:

https://www.holley.com/b...for_carbureted_vehicles/

This Holley pdf suggests 5-7psi, with minimum of 4psi at engine redline and 7psi at idle. Very different specs to your fuel pump!

https://documents.holley.com/199r7923-2rev2.pdf

I think that pdf is applicable to your Holley, I read a 6498 as a 650cfm spreadbore double pumper.
_______________________________________________________
If we all had the same (good) taste, who would buy all the Fords?
Users browsing this topic
Guest
Forum Jump  
You cannot post new topics in this forum.
You cannot reply to topics in this forum.
You cannot delete your posts in this forum.
You cannot edit your posts in this forum.
You cannot create polls in this forum.
You cannot vote in polls in this forum.

Powered by YAF | YAF © 2003-2021, Yet Another Forum.NET
This page was generated in 0.065 seconds.