General Info

Stock Rods vs. Billet Rods
Weight: The new forged connecting rods we sell are about 30 grams each heavier than stock rods.  They are a balanced set.  This is not a place to try an...
Fri, 2 Oct, 2015 at 3:56 PM
Engine Mount Bushings and Bolts
The Corvair engine mount bushings and bolts are covered in William Wynne's conversion manual - part number 4203.  The busings are Energy Suspension part...
Mon, 8 Feb, 2016 at 2:50 PM
What Core Parts are Needed for the EIB Program
The following is a list of the core items you will need to turn in as core parts for the SPA Engine in a Box program.  We also offer a core fee if you choos...
Mon, 26 Mar, 2018 at 8:04 AM
How to Store a Complete Engine
See William Wynne's Article on his Website HERE. Storing a Complete Engine – Notes from William Wynne on How to Do This Properly Builders, ...
Thu, 2 Mar, 2017 at 4:15 PM
Spark Plugs
We recommend the Denso spark plugs for all heads.  See below for the specific part number for your application.  These have nickel plated bodies and threads...
Wed, 6 Dec, 2017 at 8:13 AM
Battery Recommendation for Corvair
The recommended battery for a Corvair is an Odessey PC680 or the PC545.  WE DO NOT RECOMMEND using anything else.  
Tue, 2 Jul, 2019 at 11:12 AM
Wiring Diagram
This is a Basic Engine Ignition System Wiring Diagram. Please see the attached PDF.
Tue, 24 Sep, 2019 at 3:39 PM