Steve, I'm new here, although I've been watching for a while, I just didn't have any info I thought I could pass on till now. I installed the
oil cooler that was an option on my FFR kit, plumbed it in and everything; it looks cool. After driving for a while, I noticed I never developed any
oil temp reading on my gauge. Further research found out that you should install a thermostat into the lines between the motor and cooler. I purchased one from Pegasus and everything's ok now. These coolers are very efficient and it wouldn't surprise me if a mostly street driven car doesn't even need one. However, if you are going for looks, like I did, you should probably put the thermostat in. Also, if you use "authentic" smith's gauges, be careful that they are in centigrade not farenheit (sp?), we were waiting forever for the motor to come up to temp when we first fired it! Got to about 80 and stayed there. Couldn't figure it out until the glasses went on and we saw the tiny "C" on the gauges! I hope this helps, Bob.