each tube has slip fit tubing fully welded at flange and end of tube. The collector has a 4" tube welded to make collector longer. Its just polished . there is 68.5 inches of weld on header that is visible just polishedThis is a not polished header for bbc with 2.5 " primaries and 5"...

drivers side big block chevy dragster header mirror polished 2.25 primaries and 4" collector

Thanks for info seems I always ask the hard questions lol.

So cop setup and twin towers should work same? I always thought cop were only good on a sequential setup so they can have time to recharge. Thanks for all the help

I ran the 8224 coils with dis2 on my last car few years backvolts. only to 38lbs of boost on 60-1 didnt have issues. I know shep ran this setup back in the day if you look at old pics of his car. Msd doesnt make a 1g set of wires only short 2g. I already have the 8224 coils but they can go...

Looking to go 40 psi plus. Will the twin tower 8224 coils support it on waste spark or should I go get 4 blaster coils and run them waste spark

Anyone know what would work best for high boost 600 plus hp build. I have msd dis2 and have my choice to run msd 8224 coils and taylor thunder volt 50 wires or coil on plug 300m coils or bike coils. I am running dsmlink so no control over dwell time so stuck w waste spark. Worried cop setup...

Thanks my diff is already welded. So im going to drop t case and dyno soon.

I have found mixed reviews trying to find out if I can tune my awd car on 2wd dyno. Only because have great access to dyno. Just was worried about how much hp and tq I could make on welded center diff. And mildly rebuilt manual trans. Havnt decided on if going auto in car yet. Just was...

Thanks going to run small nozzle after intercooler because it will be hot I drive for extended amounts of time at high speeds

Actually not using for octane. Using for decreasing air temps. My intercooler is great but at 40psi still going to b hot. Was thinking it would help lower temps. Only herd of few people doing it. cooling it 24" From tb. Shoulnd pool up. At that temp would b able to cool it atvits hottest...

Running hx40 pro with 1600cc injectors. Going larger later but I have a progressive devils own kit was going to mount right after intercooler to help run more boost plan on 35 psi and higher. I have suppoting mods just wondering what size to use. Not really using for fuel but looking to...

Making cage door bar into that

Hey does anyone know how much weight it saves by cutting out spare tire hump and removing stock tank. I would replace with plastic fuel cell due to e85 probably a 10 gallon and remove foam from inside cell and make surge tank. If anyone has weight of stock tank with shield and or the hump cut...

They weigh about 3 lbs. But when I removed crash bars, excess metal, drilled holes, and speakers. It was amazing the factory door panel is really heavy. Plus when you install aftermarket seats and a cage, It gives alot more room for driver.Installing my cage now so i will post some pics...