C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

need a new engine for my 84

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Old Sep 4, 2006 | 11:39 PM
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Default need a new engine for my 84

Hello to everyone,

I am a new vette owner....spun a bearing after 2 weeks. I have read all of the LS1 swap thread and it sounds great but tooooo much money and beyond my capabilities. I live in Ca. and would like to put in a NEW engine. I have found crate motors for $1500 or so, but don't know if they will work with the 84 electronics. Any help and guidance is greatly appreciated. I need to keep this affordable....I'm hoping no more than 3K with me doing the work. Is this posible? I love this car...it looks great!
I'm sad I only had a couple weeks to drive it.
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Old Sep 4, 2006 | 11:48 PM
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Sorry to hear... that sucks.

any pre 1986 short block will work in your 84... A good fit would be the ZZ4... however, open up that crossfire intake before putting it back in!

And update to a newer ECU... I think it's from the 1987 pickup... I am sure someone will chime in on that trick.

This won't be cheap... unless you find a reman shop of some sort. even then, they have crap warrantees.
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Old Sep 5, 2006 | 12:20 AM
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The GM crate motor should work just fine, and you get a pretty good warranty. Since it doesn't sound as if you know to many people in the engine business, I'd recommend the GM unit.
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Old Sep 5, 2006 | 12:32 AM
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Thanks for the replies. This car was suppose to get us away from projects around the house...LOL...now it has become one. But it will be nice when it's done.
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Old Sep 5, 2006 | 12:37 AM
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Above mentioned is what is best for ya. If you want to make it a little faster and more effecient do what Bogus said. The newer TBI truck/van/suburban ECM's from 87-91 are a cheap upgrade and will allow for custom tuning. BUT,if you want to go this route a harness adapter will be in order since the ECM isn't plug in and play itself.

Go check out the crossfire injection vault. many helpful hints and crossfire tricks are found there. Go there,create a profile like you did here and ask away. This forum is very informative but the L83 engine guys(crossfire) usually lurk over there. GOODLUCK either way you go.
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Old Sep 5, 2006 | 12:38 AM
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Talk to SHINOBI-X., he may have something for.you-
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Old Sep 5, 2006 | 12:43 AM
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Ron.......I love you,have I told you lately?
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Old Sep 5, 2006 | 12:53 AM
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Listen up little buddy, I was just using you...I had bills to pay, you were there for your daddy, you know..No need to call me Skipper anymore








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Old Sep 5, 2006 | 01:00 AM
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I always get used.......................Im like abused Ford product. Always beaten hard and thrown away!
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Old Sep 5, 2006 | 01:05 AM
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wtf is this a *** forum are you two serius? whats this have to do with corvettes , go home to your mommy and have her read you a story while she wipes some burn crem on you lol
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Old Sep 5, 2006 | 01:22 AM
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Miss. Information? WTF name is that? are you a MISS or a MR.? Sounds like you don't know what you are so u go home. Lets talk corvettes not...some MTV BS like,"whooooos ur daddy!?"
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Old Sep 5, 2006 | 01:27 AM
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cute.....whos daddy is that?
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Old Sep 5, 2006 | 01:28 AM
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Originally Posted by mis.information
wtf is this a *** forum are you two serius? whats this have to do with corvettes , go home to your mommy and have her read you a story while she wipes some burn crem on you lol
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Old Sep 5, 2006 | 11:52 AM
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Originally Posted by Fancyazz
Miss. Information? WTF name is that? are you a MISS or a MR.?
He can't use that name. It belongs to bogus. Mis.information is his nickname.


For a budget replacement, the inexpensive, LM1, GM, crate motor is probably the best way to go. Don't sweat the computer. As slow and untunable as it is, there isn't a whole lot to be gained by tuning only, with no modifications to tune to. The computer can be changed at any time if you ever get there. Having the engine out is no advantage to changing the ECM. The intake manifold is a different story. You could at least post match it to the heads, while it is off. A basic, long block, crate, engine, new or used, will accept and work with your electronics.

RACE ON!!!
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Old Sep 5, 2006 | 03:05 PM
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If you can swing it ,I think that the ZZ4 crate motor from Chev. would be an awesome replacement.
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