Thermoquad carb 9097s

For those who don't know, this is a lean burn carb for a 1976 400 c.i.d.

AT (Auto trans)

LB (Leanburn)

Primary jet (.099)
4099

Secondary jet (.143)
5143

Rod
2086
75-2086 .069 .061 .040

Primary throttle plate should be 1-1/2
Secondary side @ normal size

This is considered the large TQ commonly rated at 850 cfm.