JB Weld to Block Off UIM
11-25-02, 11:57 AM
#1
Eats, Sleeps, Dreams Rotary
Thread Starter
JB Weld to Block Off UIM
Not too sure if anyone is familiar with JB Weld..aparently they claim you can use this two part superman metal epoxy to patch a cracked engine block...I have a friend at work who says he's done it before...
My question is, do you think I can use this as a Block off for where the shaft was for the double throttle? Seems like it woul make for a much smoother flow since you can mold it in the gooey state and then let it dry...
what do you think?
Me
My question is, do you think I can use this as a Block off for where the shaft was for the double throttle? Seems like it woul make for a much smoother flow since you can mold it in the gooey state and then let it dry...
what do you think?
Me
11-25-02, 12:06 PM
#3
Eats, Sleeps, Dreams Rotary
Thread Starter
The hole is probably a 1/4 inch in diameter...its the shaft that comes out of the UIM...the one on Robinettes site where he uses a screw and nut to block it off...
I think I am going to try it...
I think I am going to try it...
11-25-02, 12:13 PM
#4
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yeah, it'll work fine. but imo, powerwise, you're really wasting your time removing the double throttle. the restriction in the im is where the lim meets the engine. test the parts of the im on a flowbench and you'll find this part flows the least cfm. this is by far the biggest bottleneck. but, if you're doing it just to make everything simpler go ahead.
11-25-02, 12:43 PM
#7
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I only put JB weld on it and its worked fine. I did it like 3 years ago.
By the way, I DID notice an increase in the speed of the spool up time of the boost in the UIM.
By the way, I DID notice an increase in the speed of the spool up time of the boost in the UIM.
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11-25-02, 01:08 PM
#9
Eats, Sleeps, Dreams Rotary
Thread Starter
Originally posted by twinturboteddy
get a Earl's 1/4" pipe plug, and tape the hole for it. That shold do the trick
Or JB Weld alone would do fine.
get a Earl's 1/4" pipe plug, and tape the hole for it. That shold do the trick
Or JB Weld alone would do fine.
11-25-02, 03:16 PM
#11
Eats, Sleeps, Dreams Rotary
Thread Starter
The whole hole ...don't think I will bother doing the center shaft hole...
the reason I wanted to use JB Weld is becasue it's easy, it takes the shape of anything and will make for a smother block off...on the inside it will be like there was nothing there to begin with.
...don't think I will bother doing the center shaft hole...the reason I wanted to use JB Weld is becasue it's easy, it takes the shape of anything and will make for a smother block off...on the inside it will be like there was nothing there to begin with.
11-25-02, 06:56 PM
#13
Eats, Sleeps, Dreams Rotary
Thread Starter
search for my post Hose Job: Broke Some Stuff
then look for a photo of where Jonski tells me to remove it....there is a nice photo of it removed...
You know the big hand looking aluminum thing ontop of the engine that everyone polishes? well, they butterflies that are removed are in there...
check it out on www.rx7turboturbo.com ...Never mind, I think that site is down...anyway, search for double throttle removal and you will see what's going on...
then look for a photo of where Jonski tells me to remove it....there is a nice photo of it removed...
You know the big hand looking aluminum thing ontop of the engine that everyone polishes? well, they butterflies that are removed are in there...
check it out on www.rx7turboturbo.com ...Never mind, I think that site is down...anyway, search for double throttle removal and you will see what's going on...
12-03-02, 09:41 AM
#14
Eats, Sleeps, Dreams Rotary
Thread Starter
Ok...I ended up using the JB Weld to seal the hole and for 4 days now it's holding strong...nice and smothe on the inside 
thanks again folks!
thanks again folks!
12-03-02, 10:58 AM
#15
Rotary Freak
So if it does not hold and goes in to the engine what then ? If there is a question about it you should not use it . Just thread the hole for a bolt ,screw pipe plug ,ect and smooth the inside for flow. then you know for sure. Garfinkle does this for his customers with no problems. what if he J B weld a hole for you and it sucked in ,would you be happy to have paided for a screw up ,I think not so do it right for your self. Gar has seen J B weld come loose and go in someones motor. the work was done at a mechine shop, and they had to pay for the repair.
12-03-02, 11:15 AM
#16
in slow, out fast!
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this place sells block off plates. i bought a couple from here. then i saw the kit and was like dammit. but oh well it doesnt really matter. i will let you guys know how they look when i get them.
http://www.K2RD.com
http://www.K2RD.com
12-03-02, 11:23 AM
#17
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I was thinking about taking the jbweld and laying it ontop of the whole and feeding it into the hole with my finger... then cleaning off whevers left making it look like it was never there....
12-03-02, 12:21 PM
#18
Eats, Sleeps, Dreams Rotary
Thread Starter
Originally posted by duboisr
So if it does not hold and goes in to the engine what then ? If there is a question about it you should not use it . Just thread the hole for a bolt ,screw pipe plug ,ect and smooth the inside for flow. then you know for sure. Garfinkle does this for his customers with no problems. what if he J B weld a hole for you and it sucked in ,would you be happy to have paided for a screw up ,I think not so do it right for your self. Gar has seen J B weld come loose and go in someones motor. the work was done at a mechine shop, and they had to pay for the repair.
So if it does not hold and goes in to the engine what then ? If there is a question about it you should not use it . Just thread the hole for a bolt ,screw pipe plug ,ect and smooth the inside for flow. then you know for sure. Garfinkle does this for his customers with no problems. what if he J B weld a hole for you and it sucked in ,would you be happy to have paided for a screw up ,I think not so do it right for your self. Gar has seen J B weld come loose and go in someones motor. the work was done at a mechine shop, and they had to pay for the repair.
12-03-02, 03:05 PM
#20
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I did this 3 years ago and it worked fine, I also didnt do the middle. Car was stollen a year ago though. hmmm, maybee its come loose now. that stuff would be damn hard to get out. I'm going to do it on the 94 I have now.
12-03-02, 03:22 PM
#21
Eats, Sleeps, Dreams Rotary
Thread Starter
Well, I think someone said as long as it's able to hold 17psi of pressure then it SHOULD be fine...I figured that I would take a chance and live on the edge...I am insane like that...I even ripped the tag off my matras yesterday.
12-03-02, 04:44 PM
#22
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Originally posted by fdracer
it would get sucked in
it would get sucked in
I just tapped mine and put a bolt in it, but JB weld will work fine. Also, you could do what TTT did. That's the "pretty" way of doing it...but I'm cheap.
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