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#1
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Windage tray elimination
What year did Pontiac stop installing a windage tray? Exceptions?
I would gather that this would also coincide with eliminating the bolt holes from #2 and #4 main caps and only #3 cap having the bolt holes for the strap holding the lower tube in place.
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Mick Batson 1967 original owner Tyro Blue/black top 4-speed HO GTO with all the original parts stored safely away -- 1965 2+2 survivor AC auto -- 1965 Catalina Safari Wagon in progress. |
#2
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I think it was 1973.
They started using the oil pan with a baffle instead of the windage tray.
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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! "Every man has a right to his own opinion, but no man has a right to be wrong in his facts." "People demand freedom of speech to make up for the freedom of thought which they avoid." – Socrates |
#3
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Yup, the arrival of the baffled pan ended windage tray usage, although the caps can still be drilled and tapped.
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Wernher Von Braun warned before his retirement from NASA back in 1972, that the next world war would be against the ETs! And he was not talking about 1/8 or 1/4 mile ETs! 1) 1940s 100% silver 4 cup tea server set. Two dry rotted 14 x 10 Micky Thompson slicks. 1) un-mailed in gift coupon from a 1972 box of corn flakes. Two pairs of brown leather flip flops, never seen more then 2 mph. Education is what your left with once you forget things! |
#4
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The 455 block I used for my engine build was dated coded B205, code YW, and was casting # 485428.
It had threaded bolt pads on main cap # 2,3,4 so I installed a windage tray. Not sure if it originally came with one as the block was just a core when I bought it.
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Michael Oshawa built 1 option Judge basket case. 463, SD KRE 295's, CNC'd factory intake, Cliff's Qjet, Stump Puller HR cam, RARE RA manifolds, Pypes exhaust, T56 Magnum, McLeod RXT clutch, 3.42 12 bolt. 24 year project almost done... |
#5
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I have 2, `73 455`s here. Both YC codes. Both have a windage tray. I have a `74 455 also. Code YY. It doesn`t have a tray.
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