[V8Vairs] Header Wrap

[Ryan Counterman]

Well the headers are Sanderson Block Huggers (high $) and came from the 
factory with the ceramic coating (again high $ option)  I think I had the 
jets a bit too lean and cooked the headers on a 15 mile long "drive it as 
fast as it will go" span one night.  5000-6000 RPMs, anyways when I got home 
the ceramic coating was starting to flake off, so I looked to the 
manufactuer for details about warranty, but they said the warranty was void 
if improper jetting was used (my case exactly)  I will probably leave them 
as is for now and wait for my funds to build up again and send them out for 
sandblasting and recoating.

Ry


----- Original Message ----- 
From: "Frank F Parker" <fparker at umich.edu>
To: "discussion of non-stock engines in Corvairs" <v8vairs at corvair.org>
Sent: Monday, May 14, 2007 8:17 PM
Subject: Re: [V8Vairs] Header Wrap


>
>> Well after doing some test and tuning with different jets in the ole 
>> carbaruator, I have officailly cooked the ceramic coating off.  Was good 
>> while it lasted.  Eventually I will send them out to be re jet coated, 
>> but in the mean time I am wondering if anybody has had any luck with the 
>> fiberglass type wraps, they seem expensive out of Jegs or Summit but very 
>> cheap on ebay.  For the price that Jegs and Summit get I would probably 
>> wait till later in the summer and have them recoated, but if the ebay 
>> stuff will help, It might just be the ticket.  Let me know what your 
>> thoughts are.
>>
>> Ry.
>>
> The silver JetHot or similar is good for 1300 deg before balling up and 
> disappearing. Header wrap works but will overheat regular steel tubing in
> a short time unless the tubing is 304 stainless or better. Coatings are a 
> better deal if your headers are regular steel. JetHot and others make a 
> nice 2000 deg coating. Give that a try.
>
> frank
>
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