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

Notification

Icon
Error

Login


Take the time to read our Privacy Policy.
Jet size on a 450 Holley
Options Go to last post Go to first unread
Previous Topic Next Topic
TAF Offline
#1 Posted : Monday, 30 January 2006 3:35:47 AM(UTC)
TAF

Rank: Member

Reputation:

Groups: Registered
Joined: 24/05/2005(UTC)
Posts: 6
Looking to fit a 450 econo to my standard 253 red motor work ute and just wanting some advice on jet sizes.

Thanks
Back to top
ozchevy Offline
#2 Posted : Monday, 30 January 2006 5:30:43 AM(UTC)
ozchevy

Rank: Member

Reputation:

Groups: Registered
Joined: 12/10/2005(UTC)
Posts: 495
What is the Holley specific Part number of the Carby?

I have a list of all jet sizes for most models available.
Back to top
Guest
#3 Posted : Monday, 30 January 2006 5:41:27 AM(UTC)
Guest

Rank: Guest

Groups: Guests
Joined: 2/09/2015(UTC)
Posts: 43,977

Was thanked: 5 time(s) in 5 post(s)
The part # is 4500 economiser
Back to top
ozchevy Offline
#4 Posted : Monday, 30 January 2006 8:10:31 AM(UTC)
ozchevy

Rank: Member

Reputation:

Groups: Registered
Joined: 12/10/2005(UTC)
Posts: 495
You say this is fitted to a 253 cu" engine.

Mate, you must have some great breathing heads on that thing, cause the 4500 is 750cfm and jets range between 66 thou and 100 thou for that model carburettor. Personally I think your've over carburetted the e
Back to top
TAF Offline
#5 Posted : Monday, 30 January 2006 8:34:59 AM(UTC)
TAF

Rank: Member

Reputation:

Groups: Registered
Joined: 24/05/2005(UTC)
Posts: 6
The info that I've received this carbie is inbetween the 350 and 465 Holley.

Thanks
Back to top
ozchevy Offline
#6 Posted : Monday, 30 January 2006 10:02:11 AM(UTC)
ozchevy

Rank: Member

Reputation:

Groups: Registered
Joined: 12/10/2005(UTC)
Posts: 495
Just check the P/No again if you see a number like this 65-7448 or this 65-4412, then this is the Holley Part Number, 4500 is a model number in the series of carburerrors and in the range of the 4500 series there are about eight carburettors from 750 cfm
Back to top
TAF Offline
#7 Posted : Monday, 30 January 2006 9:21:31 PM(UTC)
TAF

Rank: Member

Reputation:

Groups: Registered
Joined: 24/05/2005(UTC)
Posts: 6
Yeah that's right Ozchevy
Back to top
ozchevy Offline
#8 Posted : Tuesday, 31 January 2006 2:02:55 AM(UTC)
ozchevy

Rank: Member

Reputation:

Groups: Registered
Joined: 12/10/2005(UTC)
Posts: 495
2bbl Holley carb main jets range in size from 64 thou - 99 thou. Those are your limits. Available in an assortment kit P/No 36-181 Will jet the following carby's,
2010
2300
4010
4011
4150
4160
4500
Back to top
Guest
#9 Posted : Tuesday, 31 January 2006 7:36:55 AM(UTC)
Guest

Rank: Guest

Groups: Guests
Joined: 2/09/2015(UTC)
Posts: 43,977

Was thanked: 5 time(s) in 5 post(s)
The 450 Economiser carb is not a normal Holley and, IIRC, was made by Weber for Holley.

They are sold as an economy carb for 455 CID Cadillac or Buick (I can't remember which) V8's...

It is a 4 barrel with the float bowl in the centre of the carb be
Back to top
Users browsing this topic
Guest (4)
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 © 2003-2025, Yet Another Forum.NET
This page was generated in 0.082 seconds.