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#1
09-04-2003, 08:19 AM
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Both CAT and SCAT make a 4.210-inch stroke crank with 3-inch main journals and stock rod journal size.
A quick check of the SCAt crank suggests it's ok. The polish looked good as did the radius on the fillets, so did the chamfer on the oil holes. Based on a pliminary check It appears the dimensions on the rod & main journals were ok. However no dimension check was made on the snout or for the stroke. It balanced to a 2210.5 bobweight with no problems. There is apparantly one difference between the two cranks worth noting, the SCAT crank has the grooves in the area where the rope seal (or BOP Viton rear main seal) goes and the CAT crank does not have them.
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'70 TA / 505 cid / same engine but revised ( previous best 10.63 at 127.05 ) Old information here: http://www.hotrod.com/articles/0712p...tiac-trans-am/ Sponsor of the world's fastest Pontiac powered Ford Fairmont (engine) Best time 5.13 at 140 mph (1/8 mile) , true 10.5 tire, stock type suspension https://www.youtube.com/watch?v=qDoJnIP3HgE |
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