here is my thread on the info these guys here gave me on the gm vortec L31 4 bolt . The 1947 - Present Chevrolet & GMC Truck Message Board Network, http://www.high-performance-engines....0hp-p/hp32.htm, https://blueprintengines.com/collect...lock-bp3503ct1, 1964 C10 Step-side Short Bed - In Progress, https://www.ebay.com/itm/GM-OEM-NEW-...nA85:rk:3:pf:0, http://67-72chevytrucks.com/vboard/s...d.php?t=421305, http://67-72chevytrucks.com/vboard/s...d.php?t=763121, https://sdparts.com/i-24104130-chevr...te-engine.html. 1-800-483-4263, © 2020 BluePrint Engines. atk use to sell reman engine to advance auto and local parts stores i've used a couple one in my f150 it ran good but always had oil pressure issuses it run lower pressure then i like or the oil pressure wandered alot, other was a reman 2.8 that in my bosses s10 blazer it runs good i installed like 6 years ago i bought the engine with the timing covers and pans already installed, fast forward to last year it starts leaking coolant out of the timing cover where it meets the block pull the timing cover and find out that the timing set is wore out , and now the vavle seals are leaking and we've only put 20k miles on it in 6 years so i stay away from atk engine now. I have a coworker that purchased a 383 from blueprint over the summer and has been very pleased with it. Ask the people at Blueprint and see what they say about the proposed idle vacuum. ATK does not however. New this year at SEMA is a line of 400 cubic inch small block Chevy crate engines from BluePrint. helped me pic it for the price / quality / easy power bump later options. I'm no expert, but at that power level, I don't think the two bolt main is a huge issue. An electric fuel pump will not be an option for this truck! If by chance there was any issue in the assembly, it would show up on the dyno and they would fix the issue. Plus having the engine ran and dyno'd is a bonus. Kearney, NE 68847 It's serious deal. Refund policy Privacy policy Terms of service. I've read a lot of good and bad things about BP engines but, as the old saying goes, it only takes one screw up to erase 100 attaboys. i hope to push close top 420 hp on pump gas. BluePrint Engines is your premium choice in aftermarket and high-performance crate engines. No, they cast their own blocks AND heads. All Rights Reserved. BluePrint Engines builds Chevy and GM crate engines. Both have roller lifters, vortec heads, one piece rear mains and can use a mechanical fuel pump. There is no replacement for displacement  - a popular... 2915 Marshall Avenue They do cast some of their own blocks (SBC 400 for one) and their line of aluminum heads, but they do also use OEM blocks and heads in their engine builds. Crate engines or crate motors from BluePrint Engines offer a custom builder, hot rodder, or kit car builder an engine that is ready to drop in the vehicle. BluePrint Engines builds Chevy and GM crate engines. I would just go with the engine sweetk30 purchased( a damn nice engine) and deal with the electric pump. While a cam with a 112LSA will produce better/more vacuum than a cam with a 110LSA, I don't know if it will be enough difference to affect the operation of vacuum assisted brakes. No extensive cleaning or installation of parts is required. From what I have read and seen online, I would lean towards the Blueprint engine. No extensive cleaning or installation of parts is required. So, I've decided to purchase a Blueprint Engine through Summit Racing and write about my experience. These crate engines are high-performance drop-in engines offering substantially more horsepower than the factory original. I wouldn't bother asking for a cam swap. I would vote for the Blue Print one. Assembled Engine and Transmission Packages, BluePrint Engines 383 CI Stroker Crate Engine | Small Block GM Style | Longblock | Aluminum Heads | Roller Cam, New Block Casting 383CI Stroker Crate Engine | Longblock | Aluminum Heads | Roller Cam, BluePrint Engines 383 CI Stroker Crate Engine | Small Block GM Style | Dressed Longblock with Carburetor | Aluminum Heads | Roller Cam, New Block Casting BluePrint Engines 383CI Stroker Crate Engine | Dressed Longblock with Carburetor | Aluminum Heads | Roller Cam, BluePrint Engines 383 CI Stroker Crate Engine | Small Block GM Style | Dressed Longblock with Fuel Injection | Aluminum Heads | Roller Cam, BluePrint Engines 355CI Crate Engine | Small Block GM Style | Longblock | Aluminum Heads | Roller Cam, BluePrint Engines 383CI Stroker Crate Engine | Small Block GM Style | Dressed Longblock with Carburetor | Iron Heads | Roller Cam, BluePrint Engines 396CI Stroker Crate Engine | Small Block GM Style | Dressed Longblock with Carburetor | Aluminum Heads | Roller Cam, BluePrint Engines 396CI Stroker Crate Engine | Small Block GM Style | Longblock | Aluminum Heads | Roller Cam, BluePrint Engines 355CI Crate Engine | Small Block GM Style | Dressed Longblock with Carburetor | Aluminum Heads | Roller Cam, BluePrint Engines 383 Stroker Crate Engine | Small Block Chevy Style | Dressed Longblock with Carburetor | Iron Heads | Roller Cam, BluePrint Engines 400CI Stroker Crate Engine | Small Block GM Style | Dressed Longblock with Carburetor | Aluminum Heads | Roller Cam, BluePrint Engines teams up with Affirm to offer crate engine financing. Blueprint vs ATK Engines Engine & Drivetrain. 430 HP / 450 FT LBS 10.0:1 BluePrint Performance Aluminum HeadsHypereutectic Pistons Roller Cam Cast Steel Crank Part #: BP38313CT1, New Block CastingBluePrint Performance Aluminum Heads (Part# H8002K) Hypereutectic Pistons Roller Cam Cast Steel Crank Part #: BP38318CT1, 430 HP / 450 FT LBS 10.0:1 BluePrint Performance Aluminum Heads Hypereutectic Pistons Roller Cam Cast Steel Crank Part #: BP38313CTC1, New Block CastingBluePrint Performance Aluminum Heads (Part# H8002K) Hypereutectic Pistons Roller Cam Cast Steel Crank Part #: BP38318CTC1, 430 HP / 450 FT LBS 10.0:1 BluePrint Performance Aluminum Heads Hypereutectic Pistons Roller Cam Cast Steel Crank Part #: BP38313CTF1, 390 HP / 410 FT LBS 10.0:1 BluePrint Performance Aluminum Heads (Part# H8002K) Hypereutectic Pistons Roller Cam Cast Steel Crank Part #: BP35513CT1, 405 HP / 440 FT LBS 9.5:1 Cast Iron Vortec Heads Hypereutectic Pistons Roller Cam Cast Steel Crank Part #: BP3830CTC1, 491 HP / 509 FT LBS 10.4:1 BluePrint Performance Aluminum Heads (Part# HP8103) Forged Pistons Roller Cam Forged Crank Part #: BP3961CTC, 491 HP / 509 FT LBS 10.4:1 BluePrint Performance Aluminum Heads (Part# HP8103) Forged Pistons Roller Cam Forged Crank Part #: BP3961CT, 390 HP / 410 FT LBS 10.0:1 BluePrint Performance Aluminum Heads (Part# H8002K) Hypereutectic Pistons Roller Cam Cast Steel Crank Part #: BP35513CTC1, 405 HP / 440 FT LBS 9.5:1 Cast Iron Heads Hypereutectic Pistons Roller Cam Cast Steel Crank Part #: BP3830CTC1S, 460 HP / 470 FT LBS 10.3:1 BluePrint Performance Aluminum Heads (Part# H8002K) Forged Pistons Hydraulic Roller Cam Cast Steel crank Part #: BP4001CTC1. Not everyone knows this. This page outlines Chevrolet and GM Small Block engines. These crate engines are high-performance drop-in engines offering substantially more horsepower than the factory original. We also offer Ford crate engines and Chrysler crate engines. The ATK engine you have listed in post 1 is re-manned... 68Gold/white - Thank you for the feedback. i just got this L31 96-03 4 bolt votrec long block new from gm no reman . I am using an 11" brake booster and am concerned about vacuum so I am leaning toward ATK. i just got this L31 96-03 4 bolt votrec long block new from gm no reman . Go to their website...... i have that exact BLUEPRINT engine...it is not machined for a mechanical fuel pump. Heads are a bit different. Forged cranks and pistons are also available on all models. I'm looking at these two engines for my 64 stepside. In addition crate engines are dyno-tested and are shipped with a documentation of their high-performance power curve. In addition to our Chevy or GM compatible crate engines, we also offer crate motors compatible to fit your Ford and Chrysler vehicles. FYI They are now available in a hydraulic roller set up. Do you have a dual diaphram brake booster Rod? This could be an issue also, since now I'm reading feedback from other forums less favorable to ATK. Our numerous GM, Ford, and Mopar Engines offer any custom builder, hot rodder, or kit car builder an engine that has been fully Dyno tested, passed vigorous inspections, and is ready to power up your project.

blueprint engines vs gm

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blueprint engines vs gm 2020