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#1
02-18-2016, 04:30 PM
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"6 qt system capacity" Canton Oil Pan, how much oil?
I have the 15-452 Canton pan in my 68 Firebird. Works great. I AutoX and Road course the car.
https://youtu.be/vPkQiFvl804 https://youtu.be/YpKRYboqarU https://youtu.be/FGQiZfdW6-4 As most of us know, Butler recommends ~7 qt system capacity (incl filter) and Canton recommends the stock amount: 6qt system capacity. I trust Butler and run 7 qts. But the world will never know why Canton insists on saying 6 qts.. Maybe it's CYA on their part? I had the conversation with Butler a few years back and I was pretty insistent as to what Canton recommended and they said that I can measure myself how much oil it needs in the pan if I prefer. If I remember, the recommendation from Butler (or maybe it was Canton... I went back and forth to each several times saying what he said she said) was for the oil to be filled to no higher than the bottom of the main caps. I haven't done this yet. But if one was able, he would do this with engine out of the car, pan off, fill the pan with oil with it oriented properly and measure how many qts until the height matches the depth of the main caps. Anyone ever done this and/or agree this is a valid method? Does anyone have the ability to measure this? Please post and lets document this once and for all! Thanks. Next opportunity I get I will measure it and report back, but likely 6-12 months out. |
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#2
02-18-2016, 05:35 PM
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I checked both my 15-452 and 15-444 off the car for capacity to the baffle. I forget if they were to Canton's capacity or a quart less, but both pans matched Canton's rating and I came to the conclusion that Butler is correct.
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Whitmore 462, 670 heads 10.55@125 Same with 310 E D-ports 10.12@131 498 w/single 88 8.53@158 |
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#3
02-18-2016, 06:38 PM
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I have that same pan, and have always ran 6 with a wix filter
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Darby 74 Grandville 2Dr 455 c.i 4550# 2011 1.60 60 ft,7.33@94.55-11.502@117.74  2017, 74 firebird -3600 lbs (all bests) 1.33 60 ft, 6.314@108.39 9.950@134.32 M/T 275/60 ET SS Drag Radial 2023,(Pontiac 505) 1.27 60 ft, 5.97@112.86, 9.48@139.31.... 275/60 Radial Pro's |
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#4
02-18-2016, 06:39 PM
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Just a fwiw, when I called Canton tech they told me similar. Rated it for a 6 quart "system capacity", as stated in their catalog, and that allows 1 quart of oil for the oil filter.
If you fill a typical oil filter, let soak in, then repeat that a few times you will find it does not take a full quart. Probably less about 3/4 quart or less. .
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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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#5
02-18-2016, 06:50 PM
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I always put 7 qts in mine on an oil/filter change. If I remember correctly, 6 qts filled it to just below the baffle. I added another qt for the filter and the oil not in the pan while running.
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'68 Firebird 463/pump gas/SD 325 E-heads/266-272 SR cam/1050 Dominator/3.73/ET Street Radials/1.37 60'/6.30@108.80/9.93@135.14 Hot Rod Drag Week finishing averages: 2014 - 11.12 @ 118.56 2015 - 10.84 @ 124.97 2016 - 10.56 @ 127.88 2017 - 10.29 @ 130.74 2018 - 10.29 @ 130.53 2019 - 10.16 @ 132.34 2021 - 10.09 @ 132.69 2022 - 10.13 @ 133.07 9.93 run - https://youtu.be/hII0_UlYM4U 
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#6
02-18-2016, 08:37 PM
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Quote:
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65 Lemans Street Car - 521, T400, 3.70 9". 10.13 @ 135. 3770 lbs. Drag Week ‘14, ‘15, ‘17 63 Lemans Race Car- 8.81 @ 151, 5.60 @ 123(SOLD) 67 Bonneville ragtop 74 Firebird - 455, e heads, TK0600 in process |
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#7
02-19-2016, 10:00 AM
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I also add an extra quart with having an aftermarket block with the lower pan rail. 7 qts, my oil pressure guage would "bounce" some on the big end, added an 8th quart and problem solved.
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74 GTO Bracket/Street car and another 74 for the wifey to race with! 70 GTO 400, 4 spd, #'s matching and a little to nice for me to own. Friendship is like peeing your pants..everyone can see it but only you can feel the warmth! |
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#8
02-19-2016, 10:34 AM
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Measure how far down form the pan rail the factory dipstick shows full then measure the pan and see where it is. On Canton's generally about right at the baffle. You can see that through the lifter bore area in the block. You can also drill a hole in the baffle and use the factory dipstick.
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Skip Fix 1978 Trans Am original owner 10.99 @ 124 pump gas 455 E heads, NO Bird ever! 1981 Black SE Trans Am stockish 6X 400ci, turbo 301 on a stand 1965 GTO 4 barrel 3 speed project 2004 GTO Pulse Red stock motor computer tune 13.43@103.4 1964 Impala SS 409/470ci 600 HP stroker project 1979 Camaro IAII Edelbrock head 500" 695 HP 10.33@132 3595lbs |
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