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TBYRNE Performance
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4,529 Posts
Discussion Starter #1


SLP is putting together some low cost but high quality rotating assemblies that can be used with GM's LQ9 iron 6.0-liter block. 383 and 402 cubic inch displacements will be available. Here is a quick rundown of what they are producing and what we will have to offer -

ZL 383 - low compression -

4.000" 4340 forged steel crankshaft, balanced to rotating assembly
3.899" heavy-duty, high-compression 2618 forged alloy pistons (includes new rings and full-float pin)
6.125" I-beam rods
383-CID displacement
9:1 compression ratio (nominal; ultimate compression ratio will depend upon heads and gaskets used)
Designed for forced-induction applications
Includes new rod and crank main bearings


ZL 383 - high compression -

4.000" 4340 forged steel crankshaft, balanced to rotating assembly
3.899" 2618 forged alloy pistons (includes new rings and full-float pin)
6.125" I-beam rods
383-CID displacement
10.8:1 compression ratio (nominal; ultimate compression ratio will depend upon heads and gaskets used)
Designed for naturally aspirated applications
Includes new rod and crank main bearings


ZL 402 - low compression -

4.000" 4340 forged steel crankshaft, balanced to rotating assembly
3.899" heavy-duty, high-compression 2618 forged alloy pistons (includes new rings and full-float pin)
6.125" I-beam rods
383-CID displacement
9:1 compression ratio (nominal; ultimate compression ratio will depend upon heads and gaskets used)
Designed for forced-induction applications
Includes new rod and crank main bearings

ZL 402 high compression -

4.000" 4340 forged steel crankshaft, balanced to rotating assembly
3.899" 2618 forged alloy pistons (includes new rings and full-float pin)
6.125" I-beam rods
383-CID displacement
10.8:1 compression ratio (nominal; ultimate compression ratio will depend upon heads and gaskets used)
Designed for naturally aspirated applications
Includes new rod and crank main bearings


More details for each of these can be found on our website. Pricing for each kit is $2499.99. We're currently taking pre-orders and should be able to start shipping around the 1st of September.
 

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TBYRNE Performance
Joined
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4,529 Posts
Discussion Starter #2
There was a typo above. It should have said -

ZL 402 - high compression -

4.000" 4340 forged steel crankshaft, balanced to rotating assembly
4.000" 2618 forged alloy pistons (includes new rings and full-float pin)
6.125" I-beam rods
402-CID displacement
11.3:1 compression ratio (nominal; ultimate compression ratio will depend upon heads and gaskets used)
Designed for naturally aspirated applications
Includes new rod and crank main bearings

and

ZL 402 - low compression -

4.000" 4340 forged steel crankshaft, balanced to rotating assembly
4.000" heavy-duty, low-compression, 2618 forged alloy pistons (includes new rings and full-float pin)
6.125" I-beam rods
402-CID displacement
9:1 compression ratio (nominal; ultimate compression ratio will depend upon heads and gaskets used)
Designed for forced-induction applications
Includes new rod and crank main bearings

A good example of why I don't work 15+ hours every day :)
 
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