I assume this is for a TR 3 or 4. It is normal to reinforce the
intake manifold between the runner and the flange to prevent it from
cracking there. One way to do that is to create a triangular piece
of aluminum plate and have it welded to the flange and the top of the runners.
- Tony Drews
At 11:05 PM 9/24/2010, Mark Pendergrass wrote:
>Family, found cracks on all four intake ports at the flange, one of the 5/16
>fine thread support rods had also broke. Does anyone have welded tabs on their
>headers for these rods or do you run without them?? Is there to much weight
>hanging out there?? Never have had an issue before but i don't think i have
>had the engine that hot before. Did my rods keep things from moving around
>from expansion thus causeing the cracks. The rods are adjusted not to push nor
>to pull.Any input??......Thanks Mark P
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