LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

Machining costs

Old Mar 29, 2003 | 09:08 PM
  #1  
thelategreatz28's Avatar
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Machining costs

Hi,
I want to port my heads, port the intake, and port the cylinder holes (stroke it). How much should it cost for the machining of everything.
Old Mar 29, 2003 | 09:13 PM
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Heads and intake around 550-700 labor...plus around 200-500 in parts(bolt on) (intake/exhaust valves, etc.) All depends on the quality you want. I have been quoted around 1000 for bolt on heads. I am not sure on the cylinder holes?
Old Mar 29, 2003 | 09:15 PM
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I was thinking I can get all three jobs machined for 1k$..... would it be done at the same machine shop? And how can I finf my local machine shop, I live in san jose

Last edited by thelategreatz28; Mar 29, 2003 at 09:20 PM.
Old Mar 29, 2003 | 09:20 PM
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If you mean boring the cylinders by "port the cylinder holes" and increasing the stroke, that's gonna cost some $. Hella lot more the $1k including parts. You will have to have new pistons, crank, and probably rods. Just getting good ported heads will cost close to, if not more than $1k.

The phrase "port the cylinder holes" is a new one on me, maybe you should explain what you mean?
Old Mar 29, 2003 | 09:21 PM
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yeah, you can probably get it done for around 1grand...but that is only half the battle. That is where I'm at now. There's just so much more stuff I need to complete the job. But I would say 1grand give or take a couple hundred is about it. I think it will also depend on the flow you wish to achieve. With these cars money (a lot of it) buys speed!!
Old Mar 29, 2003 | 09:24 PM
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Originally posted by Camaro37
If you mean boring the cylinders by "port the cylinder holes" and increasing the stroke, that's gonna cost some $. Hella lot more the $1k including parts. You will have to have new pistons, crank, and probably rods. Just getting good ported heads will cost close to, if not more than $1k.

The phrase "port the cylinder holes" is a new one on me, maybe you should explain what you mean?
I do mean boring it yes! I already have the stroker kit with all the parts needed... Im only asking about machinging THATS IT, I just want to know how much it would cost to machine the heads, the intake, and the block itself to fit the stroker kit i have (383)
Old Mar 29, 2003 | 09:31 PM
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Alrighty then. Here is what I paid for machining the block for my stroker.

Bore cylinders $100
Clearance block for crank $250
Old Mar 29, 2003 | 09:36 PM
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WHAT!!!!!! Its only gunna cost 350$ to mchine the block to fit the stroker kit???!!!! WOW good deal, then tha means I can get all this done for around 1000$ +/-
Old Mar 30, 2003 | 12:11 PM
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You would probably need to take the parts to the machine shop and see how much they would charge to do machining AND ASSEMBLE. Some kits require balancing, clearancing, etc. You might need other parts that your kit did not come with ( bearings, rings, file fitting rings, oil pump, 383 oil pan and pick up, etc, etc,
Unless the shop has done a few LT1 383's he might not know an EXACT total but rest asure that there will be some extra or hidden costs that you do not klnow of yet. If you are building a 383 and want to get it done for XXXX amount of mooney I would suggest getting the bottom end COMPLETELY assembled from timimg cover to oil pan AND THEN see how much is left to spend on heads. Other wise you could spend all of the alloted money and have an incomplete shortblock or have to wait a lil longer before finishing and save more $$.

NightTrain66
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