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- - ZZ454 header fitting (https://67-72chevytrucks.com/vboard/showthread.php?t=607423)

Temple of Torque

12-09-2013 09:57 PM

ZZ454 header fitting

1 Attachment(s)

Okay guys I have a 72 C-10 that I just bought a ZZ454 for. I know some people had questions on the fitting of long tube headers so I thought I would post some pictures. The bottom flange of the header was interfering with the lower head bolts. So they did need to be notched out. I used a die grinder with a carbide burr. Before fitting you will probably want to tape the exhaust ports to prevent any metal filings from entering the head. Hope this helps!

Temple of Torque

12-09-2013 10:10 PM

Re: ZZ454 header fitting

1 Attachment(s)

Here is the flange notched out

Temple of Torque

12-09-2013 10:13 PM

Re: ZZ454 header fitting

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I taped the exhaust ports off to prevent any filings entering the head.

Temple of Torque

12-09-2013 10:18 PM

Re: ZZ454 header fitting

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The carbide burr that was used...

Temple of Torque

12-09-2013 10:22 PM

Re: ZZ454 header fitting

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Hope you can see how close the fit is.

Temple of Torque

12-09-2013 10:35 PM

Re: ZZ454 header fitting

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The old girl that is getting a new heartbeat!

70CHEVYBB

12-09-2013 10:37 PM

Re: ZZ454 header fitting

mine did the same thing, die grinder and all was well.

ItsRandy

12-09-2013 11:59 PM

Re: ZZ454 header fitting

I bought Hooker headers because I thought they would fit...NOT! I had to do the same thing but I used an angle grinder. Only problem is if you have ceramic coated headers (like I do), there goes part of the coating and any warranty on the headers is gone also.

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