Author: soundhd

Just wondering what the correct size of bolts are for connecting the stock exhaust manifolds to the exhaust pipes on a 1970 Roadrunner/383?

thanks

Need to purchase whatever spark plug heat shields that I need for my 1970 383 Roadrunner.
I know I need the double shield for the passenger side (shields the #6 & 8 plug). Not sure about the driver’s side. Have only found one for the #7 plug. Are there any others needed?

Thanks

Have a 70 RR with a 383. The engine did not have any of the factory spark plug wire looms and heat shields on it when purchased. Have got to the point with the car that I would like to purchase and install the looms and heat shields (I have the exha…

Had to replace the gasket on one of my stock exhaust manifolds (383)…was leaking. Looks like they both need to have the port gasket surfaces re-surfaced. Does anyone know where I can get that done hopefully somewhere on the Westside of the Metro De…

Going to replace my spark plugs. Does not mean much to be to be "original"…just want to get the best spark plugs to use now days. Technology has changed in the last few years. So what would be the best set of plugs to use?

thanks

Need to replace my exhaust manifold gaskets on my 70 Roadrunner (383 auto, stock radiator) and have bolts now so going to install a stud kit first so need to drain the cooling system. I have owned the 70 Roadrunner for 3 years now and it was “sort” of restored 10 years before that so best I think to use new coolant since it has been at least 13 years.. What’s the best coolant to use now days? Been a long time since I have bought “regular” coolant for an older “classic”. My other “older”…

Best Coolant To Use Now Days?

Have to replace my exhaust manifold gaskets. Found out the holes go into the water jackets, currently have bolts instead of studs so bought a stud kit. Have also found out have to use a sealant when installing the studs but have another installation q…