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

stroker kit question

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Old 09-12-2013, 07:58 PM
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Benjikittens
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Default stroker kit question

ok in stroker kit what all needs balanced
Old 09-12-2013, 08:12 PM
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WW7
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Rotating assemble.... Crank, rods, pistons..Most kits should come balanced already, but I don't know if they do a good job or not, or how many grams they balance it too...I guess it depends on which kit you buy..Someone on here will know.....WW

Last edited by WW7; 09-12-2013 at 08:17 PM.
Old 09-12-2013, 08:17 PM
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cumbercr
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Its really better to let the machine shop do the balancing. When buying a balanced kit you do not know what balancing specs are used.
Old 09-12-2013, 08:27 PM
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Benjikittens
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do i take it after i install it into the block or before. i know this is problem a dumb question
Old 09-12-2013, 08:38 PM
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cumbercr
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Originally Posted by Benjikittens
do i take it after i install it into the block or before. i know this is problem a dumb question
It needs to be balanced before it is assembled. Give your block, crank, rods, pistons, balancer and flexplate/flywheel to the machinist. I don't know what kind of stroker you are building, but the by giving all the pieces to the machinist, they can do the needed clearancing and balancing.
Old 09-12-2013, 08:40 PM
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how much would all this cost and i also need it to be bored
Old 09-12-2013, 08:42 PM
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cumbercr
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I can't stress enough how important it is to find a quality machinist. My assembly was balanced to less than .5 grams. A properly balanced engine will last longer and spin up faster.
Old 09-12-2013, 08:46 PM
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i will. will it cost more for this along with the kit then it would if i just bought a preassblemed blocked
Old 09-12-2013, 08:47 PM
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Originally Posted by Benjikittens
how much would all this cost and i also need it to be bored
I paid $1,000 for clearancing, blueprinting, balancing, bore and decking.
Old 09-12-2013, 08:52 PM
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Originally Posted by Benjikittens
i will. will it cost more for this along with the kit then it would if i just bought a preassblemed blocked
To many variables in parts and assembly charges to answer that question... I had a mild 383 built a couple years ago. Nothing fancy, cast crank, hyperutectic pistons and a good set of Dart Pro 1 heads, and it cost me around $4,200 for the 4 bolt longblock..By the time I put a complete intake on the engine, plus a set of Hooker super comp ceramic headers, I had about $6,000 in the completed ready to drop in engine..So now you have a guideline , you can search the engine sites to see if you can buy a completed engine for the same or less money..........WW

Last edited by WW7; 09-12-2013 at 09:25 PM.
Old 09-12-2013, 08:53 PM
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cumbercr
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Originally Posted by Benjikittens
i will. will it cost more for this along with the kit then it would if i just bought a preassblemed blocked
It really depends on what you intend to do with this engine. Crate engines are a lot like rotating assembly kits. You don't know what specs were used. Crate engines may use balancing specs like 5 grams vs. .5 grams.

I would take the block to a machinist and have them figure out how much boring is required. Then purchase the parts separately and let the machinist do his magic.
Old 09-12-2013, 08:55 PM
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would it be worth paying the little bit extra for the preassemled blocked
Old 09-12-2013, 09:00 PM
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im wantin good weekend driver with some power but nothing too fast that i have to keep it just for the the track

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