Engine and Transmission Tech

tips, technology, tools and techniques related to vehicle driveline components

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MGBV8
Carl Floyd
Kingsport, TN
(4514 posts)

Registered:
10/23/2007 11:32PM

Main British Car:
1979 MGB Buick 215

authors avatar
Re: TA Heads for 300, 350 question
Posted by: MGBV8
Date: February 18, 2024 10:05AM

The timing cover should not get any hotter than the engine oil or water temp. Likely cooler when the car is moving.


Airwreckc
Eric Cumming
RTP, North Carolina
(250 posts)

Registered:
05/28/2020 10:10AM

Main British Car:
1972 MGB-GT (working on a Sebring project) Buick 300-4 V8

Re: TA Heads for 300, 350 question
Posted by: Airwreckc
Date: February 18, 2024 10:25AM

Carl, that's what I was thinking, as well. Thanks for the input.


mgb260
Jim Nichols
Sequim,WA
(2464 posts)

Registered:
02/29/2008 08:29PM

Main British Car:
1973 MGB roadster 260 Ford V8

Re: TA Heads for 300, 350 question
Posted by: mgb260
Date: February 18, 2024 11:34AM

I like J-B weld.

[www.jbweld.com]
Get Your BritishV8 T-shirt by clicking here


Spitfire 350
Phil McConnell
Perrysburg, OH (Toledo area)
(257 posts)

Registered:
01/11/2010 09:19PM

Main British Car:
74 Spitfire 350Chevy

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Re: TA Heads for 300, 350 question
Posted by: Spitfire 350
Date: February 18, 2024 05:22PM

I used to use JBWeld to block off water jackets in rotary engines, never had a leak. I was turning side port engines into internal peripheral port engines. That is until the SCCA outlawed the blocking off of water jackets in rotary engines.


Airwreckc
Eric Cumming
RTP, North Carolina
(250 posts)

Registered:
05/28/2020 10:10AM

Main British Car:
1972 MGB-GT (working on a Sebring project) Buick 300-4 V8

Re: TA Heads for 300, 350 question
Posted by: Airwreckc
Date: February 18, 2024 06:25PM

Good to know. I think there's an aluminum filled JB Weld that's high temperature, too.


BlownMGB-V8
Jim Blackwood
9406 Gunpowder Rd., Florence, KY 41042
(6470 posts)

Registered:
10/23/2007 12:59PM

Main British Car:
1971 MGB Blown,Injected,Intercooled Buick 340/AA80E/JagIRS

authors avatar
Re: TA Heads for 300, 350 question
Posted by: BlownMGB-V8
Date: February 19, 2024 08:28AM

I may decide to use the JB weld on my TA heads when I get to it. Be a good idea to drill a shallow hole to act as a locator for the plug if you do, so if it should get loose it can't move. Something to act as a mechanical lock. After all, aluminum does have that oxide layer.

Jim


Airwreckc
Eric Cumming
RTP, North Carolina
(250 posts)

Registered:
05/28/2020 10:10AM

Main British Car:
1972 MGB-GT (working on a Sebring project) Buick 300-4 V8

Re: TA Heads for 300, 350 question
Posted by: Airwreckc
Date: February 19, 2024 08:47AM

Jim,

I'm also looking at this stuff. Supposed to be even stronger and more tenacious JB Weld and rated to 150C. I believe it is a Epoxy Cyanoacrylate hybrid. Might be interesting to try a little test to compare to JB.

[a.co]



BlownMGB-V8
Jim Blackwood
9406 Gunpowder Rd., Florence, KY 41042
(6470 posts)

Registered:
10/23/2007 12:59PM

Main British Car:
1971 MGB Blown,Injected,Intercooled Buick 340/AA80E/JagIRS

authors avatar
Re: TA Heads for 300, 350 question
Posted by: BlownMGB-V8
Date: February 19, 2024 09:08AM

Chinese version of JB Weld? I'd stick to proven products for this. Devcon or JB weld. Or have it heliarced then you never have to wonder about it.

Jim


MGBV8
Carl Floyd
Kingsport, TN
(4514 posts)

Registered:
10/23/2007 11:32PM

Main British Car:
1979 MGB Buick 215

authors avatar
Re: TA Heads for 300, 350 question
Posted by: MGBV8
Date: February 19, 2024 12:47PM

Teenanseen - As seen on TV? :D
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