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  #16 (permalink)  
Old 07-10-2013, 03:11 PM
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It has 158k miles on it but great oil pressure and no noises.. Also uses virtually no oil between 3k mile oil changes.

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  #17 (permalink)  
Old 07-10-2013, 03:35 PM
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It'll be kinda iffy,especially,if you go out & start showing off your new found power.LOL.I know how it when you gotta fix somethin the best way you can.it would be good tho if you could redo the shortblock.If it's in good shape,you could prolly get by with a hone,rings,& bearings.That is if your sure you wanna keep the 305.I wouuld take it easy on it for awhile if you only redo the topend.You could rebuild the whole thing for $750.Maybe less & that includes your new heads.If your plannin on keepin the truck.$800 or so in money well spent,or,$500 on a gamble.????
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Old 07-10-2013, 04:48 PM
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If you're sticking with the TBI intake, the 081's are the heads to go with. They flow well stock, but would flow a lot better ported. Like you said, just like the 416 head, but with the right bolt pattern. Long tube headers, some 3.73s and a mild cam would do wonders for making power.
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Old 07-10-2013, 05:06 PM
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Quote:
Originally Posted by matt167 View Post
416 or 081 are said to be the same head, just the 081 was used '87-'93 and thus has the '87-'95 intake bolt pattern.. I know that it would be over $400/set but it would still most likely be comparable to having my heads redone at $320+ parts

Edit, found Allied Motor Parts selling 416's for $124/ ea and 081's for $149/ea. Shipped to my house would be $404 to my door for 081's.. ~$50 less for the 416's but I would need a different intake and valve covers.
there ya go !!!
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Old 07-11-2013, 08:33 PM
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Well, I hooked up a vac gauge and the engine is fine. holds 20 HG steady and no 'pops' to indicate a bad valve. Checking things over, I found the issue. Where the exhaust was blowing hot exhaust gas out of the manifold, it melted the main ground strap.. I know that causes issues with the TBI issues. I have a new ground strap to put on and it should be good
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Old 07-12-2013, 05:04 PM
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You know that headers gasket is gonna blow.Prolly sooner than later & most likely @ the worst possible time.Those broken bolts really need to come out.
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Old 07-12-2013, 05:23 PM
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I know they will, but they will hold long enough to make a few trips to the lumbar yard and haul a junk car to the junkyard which is all I really needed the truck for at this time. I've got a 7/16" wrench and an extra set of manifold gaskets in the glove box now, so if they did blow, I could roadside repair it. I used manifold gaskets on it, so a gasket swap really is no big deal
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