Hot Rod Forum : Hotrodders Bulletin Board - Reply to Topic
Hotrodders.com -- Hot Rod Forum



Register FAQ Search Today's Posts Unanswered Posts Auto Escrow Insurance Auto Loans
Hot Rod Forum : Hotrodders Bulletin Board > Tech Help> Hotrodding Basics> Flowtech header questions!
User Name
Password
lost password?   |   register now

Thread: Flowtech header questions! Reply to Thread
Title:
  
Message:
Trackback:
Send Trackbacks to (Separate multiple URLs with spaces) :

Register Now

In order to be able to post messages on the Hot Rod Forum : Hotrodders Bulletin Board forums, you must first register.
Please enter your desired user name (usually not your first and last name), your email address and other required details in the form below.
User Name:
If you do not want to register, fill this field only and the name will be used as user name for your post.
Password
Please enter a password for your user account. Note that passwords are case-sensitive.
Password:
Confirm Password:
Email Address
Please enter a valid email address for yourself.
Email Address:

Log-in

Human Verification

In order to verify that you are a human and not a spam bot, please enter the answer into the following box below based on the instructions contained in the graphic.



Additional Options
Miscellaneous Options

Topic Review (Newest First)
11-07-2011 08:29 AM
pontiacjosh red high temp silcone works great
11-06-2011 08:47 AM
ScojoDak If you haven't already, look into Remflex Header Gaskets
11-06-2011 08:27 AM
bentwings I tried every gasket I could find on my block huggers. The only thing that holds up is copper. I took a 1/2 in thick piece of cold rolled steel and contact cemented sandpaper on it to start the header flattening exercise. At first I just scratched the high spots and used a large flat file to dress them. Gradually more and more of the surfaces became square. I also took the die grinder as you did and narrowed the "o-ring" on the ports of the headers. This pretty well cured the problem. You have to retighten the bolts a few times to set the gasket but once done they seem to stay tight. I replace the gaskets in the winter each year. You can anneal them but why mess with them as much trouble as they can be???
11-05-2011 06:56 PM
7178Chevyman Thank you I will try it myself.
11-02-2011 05:51 AM
cobalt327 I have used the stock-type gaskets on several occasions and had no problem w/them- they actually work quite well. You might want to be sure the gaskets don't cover any of the header ports because they won't burn away if they do- they'll stay in the way. Trim as needed. Be sure to retighten the header bolts starting in the middle and working outward. Do this each time you run the engine until they take a set. If the gaskets aren't already cut, remove the bottoms from the bolt holes (see photo) so you can start the header bolts, then drop the gaskets into place- this makes it much easier.

11-01-2011 09:24 PM
7178Chevyman
Flowtech header questions!

i have flowtech shorty headers for my small block. The headers are cheap and i do understand why they are not top quality, but its all my budget could swing. The o-ring port seals however were not even square with the flange, therefore would leak. I got my 90 degree die grinder out and thinned the "o-rings" down, but still left some meat on them due to the fact that is where the tubing is welded at. i have not currently fired the motor yet i am still in the process of rebuilding the carb and trying to sh** 200 bucks for a radiator. i currently have the gaskets provided with the headers on it but i am sure that something will occur and i will have to pull the headers back loose. If i don't have to and they don't leak, then why fix something that isn't broke, but if i have to pull them i have heard some guys using the stock manifold gaskets, since there aluminum and fairly soft. would this be a decent idea to try? also has anyone ever had to do this to the o-ring seals on there headers, and if you have how well did it go?

Posting Rules
You may post new threads
You may post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off


All times are GMT -6. The time now is 07:14 PM.


Powered by vBulletin® Version 3.8.7
Copyright ©2000 - 2014, vBulletin Solutions, Inc.
Search Engine Optimization by vBSEO 3.6.0 PL2
Copyright Hotrodders.com 1999 - 2012. All Rights Reserved.