North American Turbocoupe Organization

E-6 casting numbers......
Thndrchckn420 Offline
Senior Member
One of my E-6's has a 322 stamped on the #4 runner and an 8 on #2. The other E-6 has 17 on the #4 and a 9 on the #2 runner. What do these mean? Is one better than the other? Thanks
88 5-spd. Precision SC-50 ball bearing turbo, gillis, full 3" exhaust w/ 3- 1/2 crome tip, ported E-6, ported big exhaust valve head, ranger roller cam, Essy cam gear, K&N cone in front of the radiator, gutted upper, knife edged lower, Walbro 255HP pump, Kirban AFPR, Forge BPV, PA Performance 130 AMP Alt...

Pete D Offline
Quote:What do these mean?

Beats me, Maybe relates to the molding process but can't say for sure.

Quote:Is one better than the other?

Not by virtue of those #s
Pete Dunham


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