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Old 11-19-2012, 08:30 PM
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The carb is way too small. its going to choke this otherwise great combo.
no mention of the tire diameter. It will accelerate much harder with the 4.11's.
more acceleration='s more fun. Get a 750cfm DP carb.

Prostcelica when you lash the XR274r-10 cam set cold about .004" to .006" tighter than the hot lash spec.
You will find this works very well for you. The lash will be just right when the engine is warmed up.
Last edited by F-BIRD'88; 11-19-2012 at 08:36 PM.
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