Corvair Engine Forum (60)

Discussions Replies Latest Activity

Forged Billet CNCd vs. Forged?

Corvair Spyder engine owners, What is your thought on the forged billet CNCd counterweighted, 1/4 stroked crankshaft in your engine vs. th…

Started by Stephen M. Eastham

0 Mar 15

Bent push rod.

Took a 25 minute flight from KJNX to KTTA to show a good friend that I had a well running airplane.   Everything was running perfect, and I…

Started by Ernest Christley

29 Feb 23

Rotec TBI Carburetor

I am running a Rotec TBI on my FlyCorvair engine in my Cruzer. When I initially picked it up, I couldn't find any photos or help with linka…

Started by Peter Eiberger

12 Feb 21
Reply by charlie rosenzweig

Pitch settings and cruise speed

Hi all, I'm wondering what others are using for your prop pitch and what cruise speeds/climb rates you're seeing. I have a 120hp Corvair…

Started by Dale Walters

16 Feb 21
Reply by charlie rosenzweig

750 STOL CG with Corvair engine

Wondering what center of gravity people with Corvair engines in their 750 STOL are seeing. When my plane got its AWC, at 841 lb, CG was at…

Started by Bruce Atherton

1 Feb 21
Reply by charlie rosenzweig

SOLVED - Voltage regulator for Spyder 120 HP

SOLVED. The B&C 14V, 30A can be made to accommodate this alternator for OV protection and notification. -------------- Is anyone using…

Started by Stephen M. Eastham

3 Feb 4
Reply by Eric Tingey

Erratic Tach Reading at Low RPM

I am using a GRT engine info system (EIS) and the WW FlyCorvair inductive tach pickup getting a signal from bolts on the flywheel. Initiall…

Started by Peter Eiberger

0 Dec 28, 2022

Dual Throttle Control

Does anyone have dual throttle controls with their Corvair.  I am using a MA-3 carb, and a center stick.  I plan to have a throttle control…

Started by Joe Pringle

9 Dec 5, 2022
Reply by Bob Pustell

Core Crankshafts Grinding on Webs

Hi All I am about to start my engine build.  The core crankshaft I have has grinding on some of the webs.  Is that normal? Don't want to…

Started by Bradford Drown

0 Oct 24, 2022

Corvair Motor Mount Weld Fixture and other free Corvair stuff

I have some free Corvair related stuff for anyone willing to come get it in central Virginia.  Including: Set of stainless exhaust headers…

Started by Dan Dempsey

4 Jun 20, 2022


New from Zenith:

Zenith Planes For Sale 

Classified listing for buying or selling your Zenith building or flying related stuff...

Custom Instrument Panels
for your Zenith

Custom instrument panels are now available directly from Zenith Aircraft Company exclusively for Zenith builders and owners. Pre-cut panel, Dynon and Garmin avionics, and more.

Custom Upholstery Kits for your Zenith Aircraft:

Zenith Vinyl Upholstery Kits

Zenith Apparel from EAA:

Zenair Floats

Flying On Your Own Wings:
A Complete Guide to Understanding Light Airplane Design, by Chris Heintz

Builder & Pilot Supplies:

How to videos from

Developed specifically for Zenith builders (by a builder) these videos on DVD are a great help in building your own kit plane by providing practical hands-on construction information. Visit for the latest DVD titles.

Aircraft Insurance:


West Coast USA:

Pro Builder Assistance:


Transition training:

Golden Eagle Aviation

Pianosa Flying Farm

Aircraft Spruce & Specialty for all your building and pilot supplies!

© 2023   Created by Zenith.Aero.   Powered by

Badges  |  Report an Issue  |  Terms of Service