North American Turbocoupe Organization



this for those worried about emissions with an A-237 camshaft
sctur601 Offline
Member
#1
Ok finally took the car through emissions. I have been worried about taking it through because of all the mods that I have done. The shortblock is the stock 110,000 mile shortblock, The head is stock valve ported head, A-237 cam -4deg, ported intake and exhaust, ported turbo 3" exhaust with a high flow 3" cat. Fuel pressur was set at 50 with the hose on and timing was at 16deg.

Ok here is the test
Acaptable.............................my car
HCs 2.40..............................0.55
COs 20.00.............................6.59
NOX 3.50..............................1.79

It probably would have done better if I changed the plugs and put fresh oil in it, and then tuned it by turning down the FP and such.

Later guys!
Shawn


------------------
My vehicle
1983 Turbo Coupe-
13.83 at 103mph!
273rwhp and 342ftlb at 24 psi with a slipping clutch!
And it still feels slow!
Thanks
Shawn

I also do port work, if you need something ported email me at [email protected]
My vehicle
1983 Turbo Coupe-
13.83 at 103mph!
273rwhp and 342ftlb at 24 psi with a slipping clutch!
And it still feels slow!
Thanks
Shawn

I also do port work, if you need something ported email me at [email protected]
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