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Im just looking at the b&m deep pan because im sick of my cheap chrome pans and after taking them on and off a few times i fear the day one will leak on me. I would just prefer a good solid alloy one i dont have to worry about.
My cars are already pretty low but i dont think a deep pan will be any lower than my exhaust. Also why would you require the extension for the filter in some circumstances?...shouldnt the oil sit at the same height on the dip stick regardless of how deep the pan is ?
The filter is the pickup so you want it as low as possible so it will always be covered by fluid. If you put a scrape in your exhaust it's not a big deal. If you crack the pan because it's too low you have a real problem. Unless you are racing the car I see no benefit in going to a deeper pan.
I'm with you gbMan. After several attempts and following all the recommendations here on the forum, my chrome pan started leaking again, and yes I torqued them carefully to 95ft/lbs. Looks like most of the quality aftermarket aluminum pans are extra capacity and I was wondering about clearance issues too. My car is slightly lowered and I have sidepipes.
How much lower are the high capacity pans? What's the best replacment pan to use? I've tried an aluminum pan before, but I wonder about the quality; it got a small crack in it and started leaking. That one I did not torque to spec and it's possible I over torqued. I want to buy one more pan and be done with it.
Last edited by redman76; Oct 6, 2011 at 10:57 AM.
Reason: grammer
shouldn't the oil sit at the same height on the dip stick regardless of how deep the pan is ?
That is how it works north of the equator. I'm not so sure for south of the equator because you guys are walking the ceiling compared to up here.
My 700R4 had a cast deep pan. Because the sorry *** stock pan did not have a drain plug. I ordered the deeper pickup filter screen and it added two more quarts to the volume. I never scraped my deep pan.
You can always space the rear tranny mount up for some clearance
All pans can leak if you over torque the bolts, so a B&M is not the final solution.
If the steel pan bolts were over torqued, the bolts might have dimpled the area around the bolts. This would result in reduced clamping force and not achieving proper torque. Turn the pan upside down and slightly angled, with the rail against a wood block. With a ball peen hammer, you can undo this problem. Place the ball of the hammer into the bolt hole and with another hammer apply blows on the face of the ball peen hammer. Work all the bolt holes so this problem is undone. You should be able to restore uniform torque to the gasket for it to seal the pan without leaks. It is not the pan that leaks, but the failure to seal the pan to the trans body. If you have the coin, an alloy pan is a nice upgrade, but not necessary for a moderate performance street car. Steel pans bend, alloy pans are more likely to crack. After scraping several speed bumps with my 69, I used to drive around them whenever possible.
When I did my th400 conversion,.....I wasn't sure how much clearance I might have for a deep pan, so I got a GM truck pan just to trial fit it. It's deeper than normal, but not too deep. Been on the car for years now,...and not one drip so far.
One big step in leak prevention is to use a Moroso pan gasket. It is a rubber with steel inside type of thing that is also reusable. It works great on my TH350. It cost about $16, but it works.
I'm with you gbMan. After several attempts and following all the recommendations here on the forum, my chrome pan started leaking again, and yes I torqued them carefully to 95ft/lbs. Looks like most of the quality aftermarket aluminum pans are extra capacity and I was wondering about clearance issues too. My car is slightly lowered and I have sidepipes.
How much lower are the high capacity pans? What's the best replacment pan to use? I've tried an aluminum pan before, but I wonder about the quality; it got a small crack in it and started leaking. That one I did not torque to spec and it's possible I over torqued. I want to buy one more pan and be done with it.
If you really tightened the tranny oil pan bolts to 95 ft./lbs., that may be part of the problem.
Haha! I'm sorry, I just couldn't resist...........
When I did my th400 conversion,.....I wasn't sure how much clearance I might have for a deep pan, so I got a GM truck pan just to trial fit it. It's deeper than normal, but not too deep. Been on the car for years now,...and not one drip so far.
I have this same pan, it holds about 2 quarts more than stock and is not too deep. The truck oil pick-up is available with it. The extra capacity keeps the trans fluid slightly cooler (more to circulate).
after all the info i have recieved from everyone so far i am ordering up . I do trans fluid and filter changes quite often so i just want the pan for that nice fat top edge, i cant be bothered beating the old one flat with a hammer and socket on every install. BK i am certainly taking your advice and going with that gasket. i am also going to get studs instead of using the bolts. Under the car is one place i dont want to be spending any more time than i have too.