For those that care, I was running Edelbrock 1 3/4 stepped to 1 7/8 headers previously. I believe others might have tried them with out success. I do run a motor plate and mid plate with the motor as far back as possible. I can only put one bolt in the passenger rear coil pack
that should tell you how far back it is.
In the search for a bigger primary, I have tried kooks gen 4 Camaro headers only to have them hit the frame and kooks TBSS headers only to hit my 6-bolt heads.
Today I managed to get a set of Texas speed gen-5 2" primary headers in with very little work to the passenger frame rail and my mid plate on the drivers side.
For those in search of larger primaries, these may be an oprtion if you are willing to get the grinder out.
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