kilten_one Posted January 29, 2007 Share Posted January 29, 2007 Due to a previous owner removing the stock heat shield and it not making its way to me, I must replace it. Since i will be working around an aftermarket header I will be making it myself. The questions I have are what thickness of metal should I use, and also could anyone tell me the length of the spring on their SU carbs that connect to the stock heat shield when it is connected That is length when attached correctly to the stock location. Quote Link to comment Share on other sites More sharing options...
cygnusx1 Posted January 29, 2007 Share Posted January 29, 2007 Make the heat sheild at least 1/16" thick and put creases to stiffen it. Also you may want to cover it with heat reflective matting/insulation with fixed with rivets. It's biggest enemy will be vibration and cracking. Use stainless if you can. Quote Link to comment Share on other sites More sharing options...
vashonz Posted January 29, 2007 Share Posted January 29, 2007 I've got at least 3 heatshields from cars with L24 and SU carbs. 1 has an aftermarket header. You can have the heatshield if you want it. If you want the header (6-1, with a small rust hole on #1) for somthing to start with, you can have it for really cheap. Quote Link to comment Share on other sites More sharing options...
Metallicar Posted January 30, 2007 Share Posted January 30, 2007 I think that the stock shield is 20 gauge metal, maybe 24. Quote Link to comment Share on other sites More sharing options...
bjhines Posted February 2, 2007 Share Posted February 2, 2007 1/16" thick!!! I think that is overkill... but the original did provide a mounting point for the throttle return springs... If you can relocate your throttle return springs then you can use the thinnest stuff you can find... I have even seen folks crush aluminum dryer hoses flat to make a 2 layer corrugated heat shield on race cars... ugly as hell but they are EFFECTIVE Don't forget to insulate your fuel lines as well... Header wrap is nice too... Quote Link to comment Share on other sites More sharing options...
kilten_one Posted February 2, 2007 Author Share Posted February 2, 2007 basically what im trying to do is get the return springs someplace other than where they currently which is the "flat" portion of the stock air box, hence my asking the length of sping when in place. Quote Link to comment Share on other sites More sharing options...
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