DOES ANYONE KNOW IF THERE IS A BIG BORE OR THE 660 THAT OFFERS STOCK OR CLOSE TO STOCK COMPRESSION. I THINK I HAVE A HEAD GASKET ISSUE AND WOULD LIKE A LIL MORE PERF. BUT AM NOT INTERESTED IN RUNNING ANYTHING OTHER THAN PREMIUM GASS?
From? The overflow bottle? Head gasket? Water pump?I GUESS I WORDED THAT WRONG. THE REASON I FEEL I MIGHT HAVE AN ISSUE IS BECAUSE IT OVERHEATS VERY RANDOMLY. IF I RUN A DISTANCE AT WIDE OPEN THROTTLE I WILL LOOSE COOLANT ON THE FLOOR.
You checked how? Just curious.I KNOW IM NOT LEAN
Good, do you have a bash guard blocking the radiator too? Chit can it if so, i feel bash guards in front of the radiator contribute to hot air re-circulating around the radiator.I HAVE AFTERMARKET FAN RAD AND SHROUD ON A SWITCH THAT ALWAYS RUNS.
Both contribute, more from compression but they both enhance each other.WHAT I WAS ACTUALLY ASKING IS WITH A BIG BORE IS THE GAIN IN POWER MOSTLY FROM THE COMPRESSION JUMP OR THE CC DIFFERENCE.
Myself included.IM NOT TOO INTERESTED IN HAVING TO RUN ANY OCTANE HIGHER THAN 91
11:1 w/ 91 pump. I do also add Lucas Oils octane booster to guard against detonation, its cheap insurance. Some may disagree that octane boosters work but Ive done enough personal testing to satisfy myself and use it.I KNOW IN A CAR SOMETIMES YOU CAN GET BY ON 91 WITH 11.1. WHAT DO YOU RUN?
The crank is not the weak link in your bottom end (although it should be welded if you open up the cases), the middle drive gear support is. Anyone who mods their engine, drives hard, has long travel (see drives hard) is driving on borrowed time.I ALSO DONT WANT TO DEAL WITH RELIABILITY PROBLEMS AND I DONT WANT TO BUILD A COMPLETE NEW ENGINE {BOTTOM END WORK TO MAINTAIN INTEGRITY}.