Reply to "Header Swap FAQ"

...Use Grade 8 Bolts! Get the Best Quality Gaskets! You will need to Keep tightening them as You Compress the gaskets with many Hours of running the Engine; In the End You will have them Very Tight! Anything lesser and Your sure to Snap One Off!! Believe Me!
NEVER let the Bolts Loosen up or You WILL blow the Gasket Out for a good Leaking Tick!!
Start with Two Bolts to Hang the Headers Over The Gasket, First! Most Gaskets Leave the Two Ends Holes Open so they can be slid down between the header and the Head AFTER the Header has been Mounted LOOSELY with Just the 2 End Bolts; Helps Alot!
Then install All the rest of the Bolts BEFORE You begin to Tighten everything Up. START with the Center Bolts and work outward to the Ends, Tightening Evenly.
I am 6'6", have Long Arms; and can lean way-in on the (protected) fender to reach all of the Bolts.
If You have the rear wheels Off, it is very Easy to reach the Bolts from inside the wheel well, once the WHEELWELL SPLASH Shield is removed, especially the Drivers side. The Most Useful Tools are: 9/16" Socket on a 'Universal Joint' at the end of 12 Inch Extension, Driven by a 'Ratchet Handle'; and a SHORTY 9/16" 'BoxEnd Wrench'.
The Right side is More difficult with the Coolant Pressure Tank in the way! Not any longer, for Me, as I have relocated it 3 more inches towards the 'Outside'. (Also Makes it Infinitely Easier to get to the #4 Spark Plug)
Good-Luck with it! Plan time, and Take Your Time! Make It Fun! And when You Hear the New 'Music', It will All have been Worth It!!