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View Full Version : This dont look good;HELP


LaCloud10
03-07-2006, 05:41 PM
I drained my exhaust manifold for winter, its a 1990 TriStar 220 with the 454. I just got the boat last summer, well I was just putting the plugs back in when I realized that the threads are stripped out in the manifold on the right side. Now I cant get this plug back in. By the way it was already stripped. Any suggestions, I dont want to have to get another manifold and I live in La. so once its in or blocked I'll leave it there. :(

G-man
03-07-2006, 05:44 PM
get hold of the folks at skidim.com
talk to vince, he may have an idea
they are on the east coast and their number is on the website

LaCloud10
03-07-2006, 05:46 PM
thanks I'll call right now

BrianM
03-07-2006, 05:47 PM
I don't see why wou wouldn't be able to re tap the thread to the next size up. Should be a fairly straight forward job. Worse comes to worst new manifold will cost you about $150 and is a pretty easy job to replace.

André
03-07-2006, 05:50 PM
Those threads are either 3/4 or 1 " NPT.
Same threads as steel pipes.You can get a tap that size from a industrial plumber or from a supplyer...
Just carefully retap the threads using tapping oil and try avoiding getting some material in the manifold as much as possible.
Hope someone can confirm this.Never saw a 454 close...

LaCloud10
03-07-2006, 05:54 PM
my brother inlaw is a plumber so I'm going to call him

Farmer Ted
03-07-2006, 05:58 PM
my brother inlaw is a plumber so I'm going to call him

Don't know how much help it will be but Bayou Outdoor Supercenter is a Mastercraft dealer now. They might be able to help you out?

How's the water level out there? The rain we got help any?

LaCloud10
03-07-2006, 06:09 PM
The lake is up perfect right now and it is warm and I'm ready to go as soon as I throw up or get this fixed

Farmer Ted
03-07-2006, 06:16 PM
The lake is up perfect right now and it is warm and I'm ready to go as soon as I throw up or get this fixed

How warm is warm?

I can't wait to get back on the water!

JimN
03-07-2006, 06:33 PM
Retap it and don't worry about shavings- they'll just wash out with the rest of the water. Use anti-seize compound on them in the future.

André
03-07-2006, 06:40 PM
Retap it and don't worry about shavings- they'll just wash out with the rest of the water. Use anti-seize compound on them in the future.
You know the size? :confused:

erkoehler
03-07-2006, 06:45 PM
You know the size? :confused:


Jim knows all......

TonyB
03-07-2006, 07:01 PM
You know the size? :confused:
I just got new ones for my 91 Prostar. They are 3/4".
http://www.skidim.com/images/RS3533.jpg
With a few wraps of plumbers tape all you really need is slightly more than hand snug. No leaks.

Click here to go directly to skidim.com (http://www.skidim.com/prodinfo.asp?number=RS3533)

LaCloud10
03-07-2006, 07:02 PM
Sorry outside hey its 80 degrees today. yea I'm looking for a tap now its kinda late in the day but seems like there's hope. I really appreciate the quick help guys, Thanks

Foiler
03-07-2006, 07:11 PM
I had the same thing happen my first year.
Like they said just get a 3/4 tap...go slow forward then back a little moving the shavings. I always use anti-seize since the cast manifolds threads rust so easily.
.

jmyers
03-07-2006, 07:30 PM
get hold of the folks at skidim.com
talk to vince, he may have an idea
they are on the east coast and their number is on the website
Good call on SKIDIM those guy's are the best! They know about everything you could ask! I completely re-did my "82" SN and without them I would have been screwed! Get on their mailing list, I just got my new catalog in the mail!

LaCloud10
03-07-2006, 09:24 PM
I got a tap from my bro-enlaw and its FIXED!! Man I was worried about this. Took maybe 5 min. at the most and it was done. The plug it had before was just a metal pipe plug, going to get brass tomorrow. Gosh I feel better. Thanks again for the quick help. SeeYa, Russell

TonyB
03-07-2006, 09:31 PM
Gosh I feel better. Thanks again for the quick help. SeeYa, Russell
Don't want you missing anymore of those 80 degree afternoons. Glad you're up and running.

east tx skier
03-07-2006, 10:31 PM
I replaced all my original plugs with brass plugs. Much easier to get out than petcocks. 3/4 NPT on the risers and 1/4 NPT on the block if I remember correctly.