[Fot] TR4 Headers

[J.C. Hassall]

Cofrog at aol.com wrote:
> I am needing to replace the headers on my TR4A due to the flange thickness  
> on the current ones being about half the flange thickness of the intake 
> manifold  flange where both mount to the head.  Some tabs have been welded to  the 
> flange of the header where the mounting points are to accommodate the  thickness 
> discrepancy  But I am experiencing cracks in the intake manifold  and blame 
> this on the above.
>  
> I did some track time last week to test a new motor and another intake  
> manifold crack appeared.  I have applied some JB Weld to it and loosened  the 
> mounting hardware by it.  Hoping this "fix" will hold for the RMVR  event nest 
> weekend.  Any input? 
>  
> Has anyone had any experience with the headers that the big three  sell?  Or 
> does anyone have a good set of headers that they want to  sell?
Dan, I bought TRF's tubular headers years ago and HATE them.  Shoddy 
workmanship, leaky welds, flange thickness half that of the intake (as 
you noted), gross mounting hole mismatches, the list goes on.  I didn't 
discover the problems until long after TRF would accept them back, so I 
bit the bullet.  In retrospect, they should have gone 1) to metal 
recyclers or 2) ebay.

I worked around the flange thickness problem by welding a block of steel 
to the exhaust stud clamps, so I *think* I have uniform pressure on each 
side.  Time will tell....

hth

jim


-- 
J.C. Hassall
Blacksburg  VA
64 TR4 in autox preparation
95% finished, 90% to go