Muffler Help

I recently had an engine built by CB Performance. (1915) I am planning on using my heater boxes to actually bring warm air into the driving compartment. I am having a hard time finding an exhaust system that will not be to restrictive for the engine and still let me use the heaters and be able to fit under my car. Does anyone have a good source?

I've got a CB Perf. 1915 with an A1 Sidewinder system. Sounds nice, looks good, and is not restrictive. Not cheap, but one that everyone seems to recommend. I don't remember the diameter, but you could contact Carey Hines at Special Edition as he might remember. I have heater boxes that are flanged, which the A1 requires.

I've also read good things about the CSP Python, but I don't know anyone who has it. It's available with heater boxes. Either way you go, the header and the heater boxes should be the same diameter.

Thanks Lane, I will call Carey in the a.m. Never thought a muffler would be a bump in the road to getting this car going.

I've got a CB 2110 with a sidewinder & heater boxes. Works great IMHO. Of course, the VS heat duct leaves much to be desired so I took the tip from DrClock (#199 in knowledge) and connected the boxes to the tunnel. Toasty air comes out on either side just in front of my shifter. On a 45 degree day, my cabin easily gets up to 75!

Thanks for the response Ernie, Good pictures! I think I am going to go with that sidewinder system. Maybe I will get this car on the road next year.

Ernie, the heat ducts on the Thunder Ranch car run through the Frame Channel which is 3 inch tubing, so I think I should have good heat in the driving compartment. I am not sure about defrosters however. I think I had to order that and I didn't. I suppose there must be a way to get heat up there if I need it. One more little problem to solve.

Bob - be wary of defrosters. My air cooling shroud and exhaust header doesn't allow for heater connection tubes anyhow, but the car was still plumbed with the connecting hoses through the chassis. In my case, stray heat found its way into the defroster ducts, even when it was not wanted. The result was really bad fog on the inside of the windshield. Now, admittedly, I always had the top down and this happened on cool, wet coastal nights. Others may have had different experience.

Problem solved by permantely blocking the heater tubes at the rear of the chassis. Better cold than blind!

David, I live in northern Minnesota right near lake Superior. While it is not the ocean, it does have it's own weird weather systems. I am about 1 1/2 miles from the lake and at certain times of the year I can have a 20 or more degree change in temp. from my home to the lake. My windows can be perfectly clear one second and totally fogged the next.I have never quite figured out the conditions that precipitate this but it can be a problem even with a car or truck with a good heating system and it doesn't seem to be just from the difference in temperatures. I suppose the dew point etc. all play some part. I don't imagine my car will ever be on the road before April or May and probably off the road in September just because of the weather. I guess I will play the defroster issue by ear and see what need I have once the car is on the road. Thanks for your mail. Bob

Bob.... I'm feeling your cold.
I enjoyed(?)the winters of '73-4 & '74-5 in Minneapolis. This softy Californio finally said: I'm outa here!

Good Luck!

David, always keep a clean, dry towel at hand. I keep one in the door of my Spyder, windshield can fog in an instant. It especially happens when cresting a hill, one side is dry, the other near a river. Instant fog!

Eberspacher heater installed and working, defrost ducts to follow....