The following warnings occurred:
Warning [2] Undefined variable $search_thread - Line: 60 - File: showthread.php(1617) : eval()'d code PHP 8.1.29 (Linux)
File Line Function
/inc/class_error.php 153 errorHandler->error
/showthread.php(1617) : eval()'d code 60 errorHandler->error_callback
/showthread.php 1617 eval



Austinsevenfriends › Austin Seven Friends Forum › Forum chat... v
larger updraft carbs?

Thread Rating:
  • 0 Vote(s) - 0 Average
  • 1
  • 2
  • 3
  • 4
  • 5
Linear Mode
larger updraft carbs?
Howard Wright Offline
Grey Mag editor
*****
Joined: May 2018 Posts: 2,043 Threads: 107
Reputation: 22
Location: Llandrindod Wells
Car type: 29 Special, 30 RK, 28 C Cab
#2
19-11-2021, 09:26 AM
Hi Jon

You can bore out the 22FZ Venturi and the original updraft manifold. Thinning down the butterfly will also help.

I’ve done this on a carb ready for my RK engine build (just back from having a rebore and rods white metalled). But I don’t know how it performs in practice. Hopefully a useful increase and no visible modifications externally.

Cheers

Howard
Reply


Messages In This Thread
larger updraft carbs? - by JonE - 19-11-2021, 09:07 AM
RE: larger updraft carbs? - by Howard Wright - 19-11-2021, 09:26 AM
RE: larger updraft carbs? - by Henry Harris - 19-11-2021, 09:54 AM
RE: larger updraft carbs? - by Bob Culver - 19-11-2021, 10:01 AM
RE: larger updraft carbs? - by Parazine - 19-11-2021, 10:18 AM
RE: larger updraft carbs? - by JonE - 19-11-2021, 11:57 AM
RE: larger updraft carbs? - by Parazine - 19-11-2021, 01:01 PM
RE: larger updraft carbs? - by Ian Williams - 19-11-2021, 07:50 PM
RE: larger updraft carbs? - by JonE - 20-11-2021, 10:22 PM
RE: larger updraft carbs? - by Howard Wright - 20-11-2021, 10:49 PM
RE: larger updraft carbs? - by Ian Williams - 21-11-2021, 07:15 AM
RE: larger updraft carbs? - by JonE - 21-11-2021, 09:15 AM
RE: larger updraft carbs? - by Ian Williams - 21-11-2021, 10:02 AM
RE: larger updraft carbs? - by JonE - 21-11-2021, 03:04 PM
RE: larger updraft carbs? - by Bob Culver - 21-11-2021, 11:31 PM
RE: larger updraft carbs? - by JonE - 23-11-2021, 09:15 AM

Forum Jump:


Users browsing this thread: 6 Guest(s)