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I started building this because my FRC has some trans/clutch issues and just figured I'd build a motor and swap everything all at the same time.
Then reality set in and I am not as excited about doing the install along with the dry sump fab work. I like my free weekends too much and volunteering at my animal shelter, and my truck is plenty fast that I can live with it being stock. So I sold my C5 and bought a Grand Sport. With that said I won't give it away, either I get my price or i'll eventually build up the motivation to install it something.
I wanted the 4" stroke but wanted stock like reliability, so I didn't go ***** to the wall, just smart parts, assembled right. I also wanted dry sump, and the displacement without the potential LS7 head issues. I also didn't like the looks of the LS7 sleeve placement. I built it like this to run it hard at the track all weekend and drive it home. Here's what it has. It is essentially an LS7 built with an LS3 block.
For a more adventurous buyer, this thing is a cam swap away from making serious power. I kept the stock cam for CA smog purposes and pump gas. Compression will end up around 11.4:1
New LS3 block
Alper Head and Main studs
Stock LS7 Crank and Ti Rods with 24x reluctor balanced to within 1.5g
Custom Racetec-Autotec Forged pistons 4.065 Bore for use with LS7 crank/rods
Hastings rings
Clevite 77 Moly Coated Race bearings
Stock LS7 Cam with ARP hardware
LS2 Cam gear
Morel Link Bar street lifters
Comp pro magnum rockers 1.8
Lingenfelter CNC LS3 Heads with Ferrea SS Valves
BTR .660 Spring kit with Ti Hardware
BTR Single piece chromoly pushrods .080 wall
GM MLS Head gaskets
Stock LS7 Oil Pump, oil pan, valley cover and front/rear covers
ATI Balancer and ARP Crank bolt
Improved Racing Crank scraper and windage tray
Improved racing Dry sump pan insert
Stock LS7 Manifolds (ceramic coated and modified for C5 smog system with Cats
Sac City Oil Bar
C5 water pump
New freeze plug kit
ALL NEW Delco sensors.
FAST LSXR 102
Siemens Deka 60's
LS2 Fuel rails
Comtech 92mm TB
A.R.E. Dry Sump tank
Price $10,000
Last edited by Shaolin Crane; 05-25-2018 at 05:53 PM.
Reason: Price change
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So does it have ***** to the wall LS7 crank or ls3 crank also no mention of displacement.
Will help the sale effort to add some internal parts pics new block and porting receipts and flow numbers.
I don't need tips on the ad, thanks. If you read the ad you'd be able to discern that a 4" stroke at 4.065 would be a 415ci. I have hundreds of pictures upon request for an actual interested buyer.
02-07-2018, 10:41 PM
Turn Key Dry Sump LS3/LS7 Hybrid Engine
