Offy 2x1 General Tuning Questions

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Offy 2x1 General Tuning Questions

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Josh

Post subject: Offy 2x1 General Tuning Questions

PostPosted: Thu Mar 16, 2006 9:40 am

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TBI Slant 6

Joined: Tue Feb 18, 2003 8:38 pm
Posts: 113
Location: Fayetteville, AR
Car Model:

I recently put an Offy 2x1 manifold with dual BBS on my dart, and I just wanted to see if anyone has any suggestions about dialing everything in.

225
Head Shaved .100
Comp 252 cam
SI valves
Pertronix Ignitor
MSD Blaster 2 coil
Stock Plugs (should probaby get 1 step colder, yes?)
2 1/4" single exhaust.

thanks,
josh

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Dart270

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PostPosted: Thu Mar 16, 2006 4:10 pm

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Board Sponsor & Moderator

Joined: Mon Oct 21, 2002 11:08 am
Posts: 17299
Location: Blacksburg, VA
Car Model:

I have never tried to find jets for those carbs, but they have worked fine as is with similar buildups. You need to make sure the floats, accel pump shots, idle opening are all set the same. After that, I tune by ear on the car (idle mix and speed). Start with about 2 turns out on the idle mix screws.

Lou

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