Time-Sert
06-18-2008, 01:01 PM
#1
Registered User
Thread Starter
Time-Sert
Hey everyone,
My spark plug came loose and took the threads out of the the spark plug hole..
So I was gonna do a Time-Sert and I emailed them and they sent back these specifications. I was wondering if these specs seem right.
"It appears that your spark plug is a M14x1.25 3/4 reach.
Spark plug Kit M14x1.25 p/n 4412E $185.88I
nsert sold separately:
Insert p/n 44111 M14x1.25x16.8 washer seat price $3.07 each."
So do those sizes seem correct.
My spark plug came loose and took the threads out of the the spark plug hole..
So I was gonna do a Time-Sert and I emailed them and they sent back these specifications. I was wondering if these specs seem right.
"It appears that your spark plug is a M14x1.25 3/4 reach.
Spark plug Kit M14x1.25 p/n 4412E $185.88I
nsert sold separately:
Insert p/n 44111 M14x1.25x16.8 washer seat price $3.07 each."
So do those sizes seem correct.
06-18-2008, 04:17 PM
#3
Former Moderator
Never heard of Time-Sert. How do they differ from Heli-Coil? Heli-Coil has been around for a looooong time and have FAA approval with proper inspection for repair of aircraft powerplants.
06-18-2008, 04:21 PM
#4
Registered User
I just measured an old OEM plug I found in a drawer in the tool chest. I can confirm that the threads are M14 x 1.25. This is unequivocal.
I'm not certain exactly how the "reach" should be measured. To get 3/4", I measured from the plug seating surface (like the crush washer wasn't there) to the end of the plug's threaded area. This sounds correct, but I'm not absolutely sure.
Based on these old OEM plugs, I think they got it right. I'm not familiar enough with the Time-Sert product to know what pieces/parts you need to buy.
I'm not certain exactly how the "reach" should be measured. To get 3/4", I measured from the plug seating surface (like the crush washer wasn't there) to the end of the plug's threaded area. This sounds correct, but I'm not absolutely sure.
Based on these old OEM plugs, I think they got it right. I'm not familiar enough with the Time-Sert product to know what pieces/parts you need to buy.
06-18-2008, 04:25 PM
#5
Registered User
Thread Starter
Time-serts have a better reputation for not coming loose when u loosen and tighten many times, like when u change spark plugs... Also time-serts are made for spark plugs.. while helicoils are universal.. Also search them on google and go to there website.. when u put it in it also has a lip on top which digs into the serface to lock it down..
But thats not the point, I need to know the correct size of the spark plug.
Im not saying bad things about helicoils, actually im considering either or.. Do you guys have info on what I need to get if i want to helicoil.. IE. Everything I need...
But thats not the point, I need to know the correct size of the spark plug.
Im not saying bad things about helicoils, actually im considering either or.. Do you guys have info on what I need to get if i want to helicoil.. IE. Everything I need...
06-18-2008, 04:32 PM
#6
Registered User
Thread Starter
Originally Posted by RedY2KS2k,Jun 18 2008, 04:21 PM
I just measured an old OEM plug I found in a drawer in the tool chest. I can confirm that the threads are M14 x 1.25. This is unequivocal.
I'm not certain exactly how the "reach" should be measured. To get 3/4", I measured from the plug seating surface (like the crush washer wasn't there) to the end of the plug's threaded area. This sounds correct, but I'm not absolutely sure.
Based on these old OEM plugs, I think they got it right. I'm not familiar enough with the Time-Sert product to know what pieces/parts you need to buy.
I'm not certain exactly how the "reach" should be measured. To get 3/4", I measured from the plug seating surface (like the crush washer wasn't there) to the end of the plug's threaded area. This sounds correct, but I'm not absolutely sure.
Based on these old OEM plugs, I think they got it right. I'm not familiar enough with the Time-Sert product to know what pieces/parts you need to buy.
06-18-2008, 04:41 PM
#7
Registered User
Thread Starter
by the way, here is a youtube video of it...
I still havent decided how to repair so like i said any info on what to get for the helicoil would be great
http://www.youtube.com/watch?v=Ntiy8L97Nco
I still havent decided how to repair so like i said any info on what to get for the helicoil would be great
http://www.youtube.com/watch?v=Ntiy8L97Nco
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06-18-2008, 05:23 PM
#8
Registered User
I can't help you with the Heli-Coil either. I've used many of them in smaller sizes; when a hole threaded into aluminum strips, the Heli-Coil repair, if done right, is stronger than the original (now missing) aluminum threads.
I have never done it, but someone on this board suggested it and I can see that it should clearly work: prior to starting the thread repair, rotate the engine so that that piston is at BDC. Fill the cylinder with spray shaving cream. Drill/tap/etc as necessary for the repair. Then rotate the engine by hand, forcing the shaving cream and any debris out the spark plug hole.
I wish I could claim credit for this, IMHO, brilliant idea, but I read it on this board. I've never done it, but if I ever find myself in your situation I'm going to use the tip.
I have never done it, but someone on this board suggested it and I can see that it should clearly work: prior to starting the thread repair, rotate the engine so that that piston is at BDC. Fill the cylinder with spray shaving cream. Drill/tap/etc as necessary for the repair. Then rotate the engine by hand, forcing the shaving cream and any debris out the spark plug hole.
I wish I could claim credit for this, IMHO, brilliant idea, but I read it on this board. I've never done it, but if I ever find myself in your situation I'm going to use the tip.
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