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#21
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The Stump Puller comes in at 230/236 and the Old Faithful comes in one step higher at 236/242. While both are usually on a 112° LSA, there is enough difference that operating and performance goals should be considered before making a choice. Iron heads and the SP seem to go together well and a little better for tight converters. I know that Dave Bisschop usually recommended the SP for mild builds with iron heads.
Everybody copies everybody on cams and it seems that even the local deli probably carries a reasonable copy of either cam profile -- but I would suspect that SD Performance would still be selling cams even if it will be awhile before his shop is up and running.
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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. |
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#22
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Butler stocks this cam,
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#23
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A FWIW, Butler lists those same XE hydraulic roller lobes ground with the 110 lobe separation as above, but also with a 112 & 114 lobe separation.
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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) 5.14 at 140 mph (1/8 mile) , true 10.5 tire, stock type suspension https://www.youtube.com/watch?v=qDoJnIP3HgE |
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#24
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I had this cam , I want 112 and more lift .
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#25
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Butler makes that cam on a 112 and with 1.65 rockers that gets you pretty close.
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70 TA, 467 cid IAII, Edelbrock D-port heads, 9.94:1, Butler HR 236/242 @ .050, 520/540 lift, 112 LSA, Ray Klemm calibrated Q-jet, TKX (2.87 1st/.81 OD), 3.31 rear https://youtube.com/shorts/gG15nb4FWeo?feature=share |
#26
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The reasons why I want 112 minimum is because I spray 200 using a plate, the intake was going to be a SD CNC ported 71 HO intake ( that probably melted and burned down in his shop last summer , I couldnt get a hold of Dave since)
My heads are SD CNC irons he flowed at 270cfm, and my 461 is brand new built for nitrous . Jakes performance th400 and Continental JH special ( 3200 tight ) converter with anti balloonjng plate. Lust4speed , Dave told me last year he does not want to sell cams anymore. Otherwise I would have ordered from him at the time Peter |
#27
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I would trade that cam for a stump puller or the first version of the Old Faithful .
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