Tearing down my 84 crossfire for rebuild. If I have to locate a replacement shortblock which corvette years will work--only 84 and 85? I just don't know much about the newer era cars. Will all sensors and brackets fit same as original. Any help thanks.
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Re: C4 84 BLOCK REPLACEMENT
Bill------
A correct block will have the casting number GM #14010207. These blocks were used for MANY Chevrolet applications during the 1980-1985 time period. They are decidedly not rare.
Many other block casting will work, too. If you wish a new block and are not concerned about "numbers", you can order a GM #10066034. This is a current-production bare block that will SERVICE your application.In Appreciation of John Hinckley -
Re: C4 84 BLOCK REPLACEMENT
Thanks Joe, I knew that you would respond as you constantly come up with all the numbers for everyone. I am real comfortable with the old era cars but just have never messed with the newer ones--I have owned a 90 for the last ten years and never touched it myself. This 84 is going to be for my wife and I feel that the block may be bad once I get it out (starved of oil and overheated).
Guess I will try some of my local salvage yards although I have located an 85 shortblock for $300 and another $100 to truck it to me. I don't have the slightest idea if this is reasonable cost but suspect it probably is? I just need a rebuildable block in case the crank and rods in this one are all gone? Sounds like as long as I give the yards the casting number you gave me it doesn't matter what it comes out of--am I on track here? thanx BillComment
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Re: C4 84 BLOCK REPLACEMENT
Bill-----
There may be some slight machining differences for various PART numbers manufactured from the same block castings. However, from a functional perspective, they should all work for your application with no problems. Like I say, other castings will work, too, but you should be safe if you go with the same casting number. No problem, either, since it's not rare.
I would try to save the original block, though, if it's possible. The "numbers" issue is ever-prevalent. While I don't get too hung up on "numbers", if you can preserve them, it's always the best thing to do. Even if you have to put more into the block than the cost of obtaining a replacement, I think that it's worth it. If it requires sleeves, that's no problem; just a little costly if it requires very many. If the main bearing bores are bad, the block may be history, though. If, by some luck, only the main bearing caps are bad, you can replace them and have the block line-bored to save it. New main bearing caps for positions 1 through 4 are still available from GM. The rear main cap is long-since discontinued, but one can be transferred from a scrap block.
$300 is a fair price for a shortblock core.In Appreciation of John HinckleyComment
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Re: C4 84 BLOCK REPLACEMENT
Joe, you are just like a set of bicycle trainer wheels! Time to take them off now and see how far I go and not fall over. My hope is that I can salvage the original block even if expensive. happy holidaysComment
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