01-30-2008, 05:46 PM | #21 | |
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Make sure that the thrust bearing has the right clearance, when you set it up, get a flat piece of glass, and a 1200 grid sand paper flat on top of the glass, and only sand down at the front of the thrust bearing, meaning to the front of the engine, between .005-.006" is what you want for end play on the crankshaft . Did you find pieces of bearings? look at your old thrust bearing. Edgar |
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01-31-2008, 05:34 PM | #22 |
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well after what is's and maybes the culpret has identified himself. the two back mians were out of alighnment causing these two mains to lose oil pressure(would explain low pressure at idle). looks like it will be another week for my block to be at machine shop, has to get alighned honed monday. this will slow my build another week since i am in auburn. but on the flip side we got our 393 back which will go in our 86. this engine is expected to make somewere around 500 on motor then we will put the shot on it. we had a 347 in it for two years making 663rwhp until the broke decided to give(stock block). the car went a consistent 6.3 at 109 and 10.1 at 132. we hope the new engine and jug will put it in the 5's. cross our fingers
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01-31-2008, 05:50 PM | #23 |
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Was the block originally aligned honed (crank bores)?
I would always recommend this on any motor, alos when the clearances were checked was it only with plastic-gage, or did your machine shop check them with a bore gage (block/cap/bearings) vs. the crank with calipers or a mic? Concerning running a HV in a stock pan, I do this and always have in my '85, this is along with an additional 4.5 quarts with the oil cooler, accumsump and all of the -10 lines, however this motore sees 4000-6200 for 30-60 minutes at a time, so far so good never had problems, but this is not your normal application.
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01-31-2008, 07:52 PM | #24 | |
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Eric 89 LX Coupe-Juiced 01 Lightning-Boost 06 TBSS |
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01-31-2008, 08:21 PM | #25 |
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Don't no if your running the Ford Oil Cooler/Filter assembly, but if you are you need to take it apart and do a very good cleaning. You had metal pieces in the pan, and it's almost a givin they went through the pump, and then into the filter assembly. Not cleaning, or better yet simply replaceing the assembly, will void any re-build efforts and waste a lot of money. Check it out.!
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01-31-2008, 08:46 PM | #26 | |
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01-31-2008, 11:47 PM | #27 |
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i cant remember if the block was alighned honed or not. my machine guy did check the cleanrces and they were good is the reason he did not alighn hone it the first time. i dont not run an oil cooler
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02-01-2008, 05:12 AM | #28 | |
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Why let some one else build your motor? You want something done right, you do it the way you want and only blame you if something is not right. The only thing the machine shop does to my stuff is either the block or the heads, the rest I assemble. Edgar |
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02-01-2008, 07:07 AM | #29 |
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Same here,not to mention it's MUCH cheaper!
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Eric 89 LX Coupe-Juiced 01 Lightning-Boost 06 TBSS |
02-01-2008, 10:18 AM | #30 |
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i am the same way build all our engines
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