building custom headers
theres a great deal of useful info in these links , and sub linked info so don,t skip over them without looking thru carefully, as theres years of experience to be gained yeah its amazing how everything costs ten times what you think it will and takes five times longer to do even at that...
garage.grumpysperformance.com
calculating header design
YES THE SUB LINK INFO IS WELL WORTH READING ALSO if your serious about maintaining good peak hp numbers use the calculators in the linked threads to actually calculate the ideal matched header dimensions, this is not a guessing game its strait physics and easily calculated to maximize exhaust...
garage.grumpysperformance.com
building an exhaust system for your car
you might want to read thru these threads and linked info first, yes IM well aware it may take several hours to do so but it will save your many more hours and hundreds of dollars to do it correctly and safely. Id bet 80% of the useful infos in the links and sub-links so take some time and...
garage.grumpysperformance.com
is backpressure hurting your combo?
any automotive engine will run best with little or no back pressure on the exhaust system , back pressure ALWAYS tends to reduce the cylinder fill and scavenging efficiency, this is not a guessing game. you can simply measure back pressure in the exhaust every500 rpm from about 3000rpm to where...
garage.grumpysperformance.com
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