[DeTomaso] CHI 4V heads question

[L GRAY]

     Pictures ?

Leslie A. Gray

> On May 17, 2020, at 2:51 PM, Larry Finch via DeTomaso <detomaso at server.detomasolist.com> wrote:
> 
> Mike,
> 
> So your experience with the same heads showed no major header flange to exhaust flange gap, but you apparently chose the Remflex gaskets because they could overcome a ....small.... gap you encountered?
> 
> I have used their gaskets at both ends of my headers for some years now and this gap is beyond their sealing capabilities. 
> 
> If only this issue ...could... be solved so easily ......
> 
> Thanks,
> 
> Larry 
> 
> 
> 
> Sent from me using a magic, handheld electronic gizmo. 
> 
>> On May 17, 2020, at 2:00 PM, Mike Drew <MikeLDrew at aol.com> wrote:
>> 
>> Larry,
>> 
>> I wound up using a pair of Remflex gaskets on each side (collector gaskets) for that reason. I think it came about when switched from iron to CHI 4V heads. 
>> 
>> That solution worked fine for me.  They have a lot of ‘crush’ capability and can be useful for alleviating such concerns. I also use their header gaskets exclusively.
>> 
>> Mike
>> 
>> Sent from my iPad
>> 
>>>> On May 17, 2020, at 13:54, Larry Finch via DeTomaso <detomaso at server.detomasolist.com> wrote:
>>> 
>>> All,
>>> 
>>> This is a question for any owner that has installed the CHI 4V aluminum cylinder heads on a Cleveland in their pantera. 
>>> 
>>> During collision repairs I had a 404 ci stroker Cleveland built for 2511 and used the CHI 4V heads. 
>>> 
>>> I did not change the GTS exhaust pipes/mufflers nor the GTS headers supplied by Dennis.
>>> 
>>> But something has changed and the exhaust pipe will no longer correctly mate with the header flanges. With the mufflers as close to the body as possible, there is a gap at the top of the header flanges of about 3 sixteenths of an inch. Even removing the ZF side mounts and letting the transaxle rest on the rear crossmember, there is still a header flange gap. 
>>> 
>>> I’m thinking the exhaust ports on these heads may have a raised header bolt pattern and this is the source of the misalignment.
>>> 
>>> Has anyone else found similar misalignment problems after installing these heads?
>>> 
>>> Thanks,
>>> 
>>> Larry 
>>> 
>>> Sent from me using a magic, handheld electronic gizmo. 
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> 
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