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Thread: Katech Value 427 Short block
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08-03-2007 #1
Katech Value 427 Short block
I was curious if anyone had any thoughts or feedback on the Katech Value 427 Short block?
I kinda like it and I was thinking that the completed engine would be comparable to an LS7 yet cheaper and with equal power and similar reliability.
Granted, it doesn't have the titanium rods or dry-sump, but it does have forged pistons, Cola crank and Callies H-beam rods, and you can easily have a kick ass Katech cam slipped in it.
What heads would you match with this thing? Basic LS7 heads, or the L92's? My last read (a while ago) was that the L92's were hard to cam properly for big power and easy driveability.
I'm a sponge so I'm open to all idea's here.....
http://www.katechengines.com/street_...tail.php?id=38
Value 427 short block
Zoom We put together a 427 short block with premium components while keeping a reasonable budget in mind. The result is our Value 427 short block.
KAT-A4684 Value 427 short block
• Katech Option 2 Sleeved LS2 cylinder case
• Cola 4340 forged crankshaft
• Callies forged H-beam connecting rods
• Katech forged pistons
• Mahle rings
• Clevite / Federal Mogul bearings
• Assembled and ready to ship worldwide
Price: $6950.00
Options
• Pistons for LS7 heads, hardcoat anodized - add $280.00
• Low compression or nitrous pistons - no extra charge
• camshaft
• covers
• cylinder heads
• 58x crankshaft trigger
Specs
displacement: 427ci, 7.0L
bore: 4.125
stroke: 4.000
rod length: 6.100
Compression height: 1.140
Dome volume: -12cc
Compression ratio: 11.0:1 (when using a 65cc chamber), 10.5:1 (when using 70cc chamber)
Crankshaft trigger: 24x or 58x
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08-05-2007 #2
Registered User
- Join Date
- Mar 2005
- Posts
- 467
Top shelf short block, remember that it is a resleeved LS2. Katech does nothing but good, $$$$ work. Cola crank is argueably the best, premimum parts and $$. Go to LS1 tech for more on short block LS7's. I had mine built to specs by LME, with a LS7 block.
08-10-2007 #3Just for comparison, I ran across this also....
LS7 block....
$6000 short-block here.
Short Block Assembly, LS7, 427 CI, -14cc Dish
This custom 427ci short block is built on an aluminum LS7, 4.127"
bore block.
Eagle 4.000" stroke, 4340 forged steel crankshaft
Scat 6.125" H-Beam , 4340 forged steel rods (with ARP bolts)
Manley 2618 forged flat top pistons, -14cc
Clevite H series race bearings
Total Seal brand ductile moly , file fit rings.
- nitrous rings can be substituted for an additional $100.00



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