The XX code 2 bbl engine was also available in Birds.
The XX in my Esprit had the block drilled and tapped for 4 bolt main caps but used 2 bolt caps. (also has 12 bolt rear-end :))
The 72 block is strange, I didn't think they made a 4 bolt drilled 400 block after 1970, except maybe as a SR block.
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John Wallace - johnta1
Pontiac Power RULES !!!
www.wallaceracing.com
Winner of Top Class at Pontiac Nationals, 2004 Cordova
Winner of Quick 16 At Ames 2004 Pontiac Tripower Nats
KRE's MR-1 - 1st 5 second Pontiac block ever!
W.E.C moment
"Every man has a right to his own opinion, but no man has a right to be wrong in his facts."
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