I know that some John Deere tractors used a chevy 292. Is the exhaust manifold the same? Tis is one on ebay that looks like a '63 2 1/2" manifold. Can it be used? I already got one but just wondering for future references. Thanks.

http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=7535606335&category=63988