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As you can see by all the various qualified but confusing comments, this whole issue is a sh$%t show. By EPA guidelines, if we wanted to create...
I'm not sure what you mean by 'exempt' but the EPA made it very clear to us that anything newer than 1974 requires a converter that is equal to...
I have no idea why I put 'except in California'. :( Well that's embarrassing. I apologize to viewers.I might have been thinking about the...
By 1975, all passenger cars by Federal EPA standards, had to have a catalytic converter exhaust system. Since this standard was just being put...
ok, you are from CA and obviously have good experience in that state. The topic starter wants to buy a post 1974 vehicle and is seeking our...
ok, egg on my face. It is 1974 and prior. but not sure whether the topic starter understands what was right and wrong about my statement. If...
By 1975, all passenger vehicles would have had a catalytic converter by federal EPA law. That doesn't mean some states allowed vehicles without...
We dealt with an EPA audit for a 2 year period while they dissected all of our exhaust products. We paid the nations top emissions lawyers a lot...
If your car is 1973 or older, you do not need to add cats to your car except in California. If your car is 1974 or newer, it all depends on...
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All good recommendations here for the topic starter. The only thing I see time and time again is that newly rebuilt motors seem to always run...
A 22" radiator with a built motor and AC should get the maximum cooling available. That is dual 1 1/4" tubes. All other options fall short....
factory shroud does not fit this radiator. We tested it.
Agree! There can be a big difference in cfm with a straight through muffler vs a chambered or turbo type muffler especially if you are racing the...
The 440 is a pretty big motor. Probably built up bigger than anything that Mopar had to offer back in the 60's or 70's. So while I do agree...
It's not so much the size as the type of bending. Mandrel bent tubing will have significant performance gains. Since it's quite rare to see...
Love to have you get a pair of our mufflers but if the Dynomax super turbo's gave you drone, the Pypes super turbo's will give you very similar...
You are correct.
The OER radiator is a good brand. When we were in the GTO parts business, we sold them for years.btw, The copper brass model is USA made....
It was late at night when I posted and I was a little tired and irritated that our brand was being unfairly 'bashed'. I apologize for the way I...
WOW! That's a lot of verbiage for someone who is just asking a simple question lol! Your first question took a paragraph and after I answered...
ok, bummer. Is it a matter of elongating the hole or is the hole in a completely different spot? You can also return it if you don't want to...
Not true. We have a 60 day return policy that includes fitment. Basically, as long as you don't stick a screwdriver through the core, it's...
Our rads are not made in the USA. That being said, we have 30 American workers in Hatfield PA of which a lot of them are car enthusiasts. We...
ok, now I understand. I was personally involved with development of the A body unit. The owner is a member here on the forums. I saw how it...
Did you test fit the radiator or are you seeing that the brackets look different and thinking there is a problem?The big plus on this...
Just replied.For all who read, I monitor about a dozen forums as well as my regular daily activities. I'm also not in the office full...
What makes a crossflow better is that it is usually bigger. In the case of your vehicle, to put a crossflow in the stock location would not...
Electric fans vs OEM fan is a wash. If you don't need the electric fans for other reasons, keep your mechanical fan. And if you haven't tested...
I guarantee it's making a difference! Nicely done!