Originally Posted By: johny89
hey you guys, will test the above (muffler of altough it ran before and it only has one mufler, rest is open pipe, i did had this problem once on my previous cars the last muffler was plugged and it also had a hard time to start. so i will try to make sure thats not the problem)


I'm super interested now in the muffler and your results. How would one know (outside running without pipes) if the muffler was partially plugged? What would the symptoms be of a partial plug?

Thanks,
Mark


Mark
'67 Camaro L6-250