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Motor plate 1/4" or 3/8" #741151 07/05/10 09:33 PM 07/05/10 09:33 PM
Joined: Feb 2007 Posts: 352 Pennsylvania, USA Big_Fish OP enthusiast
Big_Fish OP enthusiast Joined: Feb 2007 Posts: 352 Pennsylvania, USA	I've been fighting a slow leak from my water pump. I pulled it about 3 times in the past to reseal it. Today I pulled the plate, cleaned everything up and noticed the plate has a slight bow. I measured it and it's 1/4" thick aluminum. I'm thinking of getting another plate made that's 3/8" thick 6061 T6. Just wondering if I should buy a new plate and if it's worth the expense in the hope of fixing this stupid seep. S&W is right around the corner so I could probably have them use my old one as a template and make it on the water jet. Is 3/8" thick more typical than a 1/4" plate?

Re: Motor plate 1/4" or 3/8" [Re: Big_Fish] #741152 07/05/10 09:44 PM 07/05/10 09:44 PM
Joined: Apr 2010 Posts: 1,216 Under My Car Mopar_Country pro stock
Mopar_Country pro stock Joined: Apr 2010 Posts: 1,216 Under My Car	A friend of mine has 3/8" in his dart and doesn't seem to have any issues. I would think 1/4" to be a little lite.

Re: Motor plate 1/4" or 3/8" [Re: Mopar_Country] #741153 07/05/10 09:46 PM 07/05/10 09:46 PM
Joined: Jan 2003 Posts: 4,616 Kissimmee Fl. D dusturbd340W5 master
dusturbd340W5 master D Joined: Jan 2003 Posts: 4,616 Kissimmee Fl.	I am running a 1/4 plate on my SB no problems so far 70 duster full chassis super pro 416 CNC Indybrock heads 727 w/brake best so far 1.212 60 6.219 in 1/8 at 110.88 9.768 at 137.81 1/4

Re: Motor plate 1/4" or 3/8" [Re: dusturbd340W5] #741154 07/05/10 10:04 PM 07/05/10 10:04 PM
Joined: Feb 2007 Posts: 352 Pennsylvania, USA Big_Fish OP enthusiast
Big_Fish OP enthusiast Joined: Feb 2007 Posts: 352 Pennsylvania, USA	Guess I should have mentioned it's on a 440 as well. This sucks. Spent the day working on this in 100deg heat and didn't get it back together as I had hoped.

Post deleted by Defbob [Re: dusturbd340W5] #741155 07/05/10 10:05 PM 07/05/10 10:05 PM
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Re: Motor plate 1/4" or 3/8" #741156 07/05/10 10:18 PM 07/05/10 10:18 PM
Joined: Feb 2007 Posts: 352 Pennsylvania, USA Big_Fish OP enthusiast
Big_Fish OP enthusiast Joined: Feb 2007 Posts: 352 Pennsylvania, USA	Cool, thanks for the feedback. Now to see if S&W can do a quick turnaround since they're a few miles away.

Re: Motor plate 1/4" or 3/8" [Re: Big_Fish] #741157 07/05/10 10:42 PM 07/05/10 10:42 PM
Joined: Jun 2003 Posts: 52,972 Romeo MI MR_P_BODY Master
MR_P_BODY Master Joined: Jun 2003 Posts: 52,972 Romeo MI	Quote: Guess I should have mentioned it's on a 440 as well. This sucks. Spent the day working on this in 100deg heat and didn't get it back together as I had hoped. Are you using gaskets... they tend to leak... I just use a good silicone... no more leaks... a 1/4" is thick enough for what its doing... its holding up the engine and pulls on the drivers side frame rail while pushing down on the pass rail... dont expect it to hold the fore/aft load of the launch... I use to use 1/4" for a long time till I came down hard and it bent, now I use 3/8"

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