All right you expert mechanics, check my math. I'm getting ready to put the barrels and heads on my 82/83? vanagaon aircooled engine rebuild project. I decided to go with new AMC (no flames please, OEM VW are not available for this engine to my knowledge) heads, and Mahle (Brazilian) barrels. Here's the math: Deck height (w/ no gaskets or shims) = .025" chamber CC = 56 cc Piston Dish = 15 cc Swept = 94mm x 71mm (1970 displacement) My gasket set came with neither paper or metal bottom barrel gaskets (interestingly it came with 8-.029" barrel to head gaskets which I don't plan to use). The AMC heads have a built in ridge at the contact point of the barrel. Which way would you build these?: 7.53:1 CR with no gaskets or 7.41:1 CR with .008-.010" metal barrel gaskets I have in inventory. This Van probably will never go below 4200 Ft altitude and the fuel mixture will be set towards the rich side (1.5% to 2.0% CO). What do you think? -- Steve Blackham Centerville, Utah 77 transporter converted to camper (Westy top) 83 Vanagon (New and current project) 87 Weekender |
Please note - During the past 17 years of operation, several gigabytes of
Vanagon mail messages have been archived. Searching the entire collection
will take up to five minutes to complete. Please be patient!
Return to the archives @ gerry.vanagon.com
The vanagon mailing list archives are copyright (c) 1994-2011, and may not be reproduced without the express written permission of the list administrators. Posting messages to this mailing list grants a license to the mailing list administrators to reproduce the message in a compilation, either printed or electronic. All compilations will be not-for-profit, with any excess proceeds going to the Vanagon mailing list.
Any profits from list compilations go exclusively towards the management and operation of the Vanagon mailing list and vanagon mailing list web site.