Overview

BluePrint Builder Series Chevy LS427/800HP Supercharged Crate Engine and 4L80E Transmission Combos

BluePrint introduces its Builder Series Chevy LS compatible 427 c.i. 800 hp Magnuson Supercharged crate engine and 4L80E transmission combos. Save time and money by ordering these two key parts in one economical package. The powerful performance engines can be ordered with or without a front drive pulley kit (accessory drive system includes water pump, alternator, power steering pump, A/C compressor and all belts and pulleys). These supercharged engines come with a plug-and-play Holley Terminator X EFI for maximum standalone engine management. Engines are assembled with a complete 4l80E automatic transmission package (details below):

Combo details and specifications:

* New BluePrint Engines high-strength cast iron (LSX style) block
* Magnuson 2650 Supercharger for maximum power, sleek and compact design for a hassle-free
installation
* Holley mid-mount accessory drives are used for maximum clearance and a clean installation
* Improved water jacket design for improved cooling
* Extended 5.75 in. cylinder skirt for added piston stability at BDC for added strength
* Thicker deck faces, making surfaces more rigid and ideal for forced induction applications
* Forged pistons for strength and maximum performance
* Hydraulic roller camshaft for a broad power curve and rich idle
* Priority main oiling for optimum performance and protection
* 6-bolt main to increase strength and durability
* One-piece rear main seal
* BluePrint aluminum LS3-style cylinder heads
* LS3-style front and rear covers
* 376 c.i. bore/stroke
--- Bore - 4.662 in.
--- Stroke - 3.622 in.
* 427 c.i. bore/stroke
--- Bore 427 c.i. - 4.665 in.
--- Stroke - 4.125 in.

Automatic transmission package:

* Complete 4L80E package with electronic controller (lockup capability)
* Torque converter with 3,800–4,200 rpm stall
* Non-weighted flexplate
* Starter
* Gear ratios are 2.482:1 (first), 1.482:1 (second), 1.000:1 (third), 0.750:1 (fourth), 2.077:1 (reverse)

Applications

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