LT1-LT4 Modifications 1993-97 Gen II Small Block V8

lt1 block

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Old Mar 22, 2008 | 06:07 PM
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Lightbulb lt1 block

ok just out of curiosity where do you guys get your lt1 blocks? im wanting to find just a bare block cheap and start building it from the bottom up over the course of the summer and then put it in next winter. im planning on a doing a 355. but i want to build an engine while my car still runs. but idk where to find a bare lt1 block thats cheap any suggestions?

also i dont want to go lsx just because that would be more trouble and more expense
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Old Mar 22, 2008 | 06:43 PM
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Junkyard. Remeber a 94-96 b-body has the same shortblock as long as it is an LT1, the LT1 was standard those years in the fleetwood, Roadmaster, Caprice wagon, and Impala, a Caprice sedan could have either a L99 which is a 4.3l version of the LT1 or an LT1, the 4.3L is a V8 externally identical to the LT1 look for my past posts on it for tips on how to tell them apart.

The b-body stuff is usually cheaper, well except the Impala stuff, it is all the same but put the name "impala" on it and prices seem to double.
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Old Mar 22, 2008 | 06:46 PM
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i was hoping you would chime in. but the ones i find are like $500!!! cant you find the bare blocks cheaper?
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Old Mar 22, 2008 | 06:49 PM
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I have one for 200 you pick up
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Old Mar 22, 2008 | 06:53 PM
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dont need it yet. im going to start the build in june. just trying to find where i can get the block to start.
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Old Mar 22, 2008 | 08:20 PM
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I actualy have two of them one was a junkyard find and another was from a guy on here both where cheap and in great shape and where complete motors
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Old Mar 22, 2008 | 08:25 PM
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Originally Posted by 96capricemgr
Junkyard. Remeber a 94-96 .
And dont forget to check the stampings on the back of the block!!
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Old Mar 22, 2008 | 08:29 PM
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i will deff check the casting numbers! but i just cant find these things cheap! if you guys have them cheap pm me a price and a location and then i will have a source in may when i start the build.
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Old Mar 22, 2008 | 09:23 PM
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Originally Posted by caldercay
And dont forget to check the stampings on the back of the block!!
As I pointed out that should only be a consioderation on a Caprice sedan all the other cars listed got the LT1 as the ONLY option.
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Old Mar 22, 2008 | 10:50 PM
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Originally Posted by 96capricemgr
As I pointed out that should only be a consioderation on a Caprice sedan all the other cars listed got the LT1 as the ONLY option.
ok i will keep looking. but i might just finish my mustang then drive it while the lt1 is down...more motivation to hurry and get it finished but back to reality... how much should i be looking at for a price on a bare block?
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Old Mar 23, 2008 | 12:30 AM
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I thing 100 would be a fair price on a block in great condition you may be able to find them cheaper but 100 seems fair in my mind.
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Old Mar 23, 2008 | 01:04 AM
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Originally Posted by transamsam98
I thing 100 would be a fair price on a block in great condition you may be able to find them cheaper but 100 seems fair in my mind.
see thats what i was thinking. then if i found one here i would have to have shipping
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Old Mar 23, 2008 | 01:08 AM
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the big prob with shipping is these blocks are friggin heavy in the way of shipping it would prob have to go freight and be in the area of 100 sticktly in shipping.
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Old Mar 23, 2008 | 01:14 AM
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yeah i bet. the ONLY reason im not going lsx though is because im rebuilding my t56 right now. and i am NOT doing anymore transmission work! its not hard. its just such a damn pita when you keep finding more stuff wrong but it should be a nice "new" transmission. and its kinda cool being the underdog. ive got a little over $100 looking for a block. and then i will get the internals. im wanting all motor. but will probably end up spraying it. so just an add on question... will it hurt anything to set the engine up for spray but never spray it?
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Old Mar 23, 2008 | 01:22 AM
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ok I garuntee some one will correct me if i am wrong but my understanding is spray is the opposite of boost it loves compression where as boost does not so I would say any motor that is build up to be a stricktly motor car would and should still be a forged internal motor that being said spray should not hurt it unless its an un godly amount. but if yu are buildint non forged as long as you stay around stock compression and no more than a 200 shot you will be fine. but like I said I am sure some one will correct me but this is what i hav gathered from my readings and research.
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Old Mar 23, 2008 | 01:30 AM
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i think i will just stick with all motor and build it to handle a lot of spray. boost is out of the question. im boosting the 'stang. but ive got to get my rep back now i did have in the top 3 fastest cars in town...after i got my trans am though like 4 more lsx's came in. so im building. and plus my car has 12x,xxx on the clock. and is there a justifiable gain of hp with a single plane setup? idk how much it cost to get one converted to work. if its too much i will just go ported lunchbox. (stock manifold) is it possible to go high 400's on all motor?
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Old Mar 23, 2008 | 01:44 AM
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are you talking 400 crank or wheeel hp? alot of guys with te ai 200cc heads n cam have been seeing 400+rwhp with bolt ons as well as well as le2 guys so if you taking into acount a 355 or 383 or bigger as well as all bolt ons with a good heads n cam as well as a ported inted 450 rwhp doesnt seem that far out of the question but once againe I am sure some one will correct me if i am wrong. but I am shootoing for a 9.1 compression 383 with 9 psi and a posted set of heads and intake as well as 1.6 rockers on the intake and 1.7 rockers on the exaust and I am hoping i will hit my 450 rwhp mark.
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Old Mar 23, 2008 | 01:49 AM
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im aiming for at least 450 rwhp all motor and at least 600 if i spray it. i found a block on ebay for $5 but a crank journal is messed up.
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Old Mar 23, 2008 | 01:56 AM
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sucks when u find sumin grea just to see its messed up
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Old Mar 23, 2008 | 02:03 AM
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yeah i know...might have to wait on a block though just found a 12 bolt for 75 bucks
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