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Under the hood in any '94-96 Roadmaster you'll find a LT1 5.7 Liter V8.
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Factory rated at 260 hp and 330 ft lbs torque.
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The F-Bodys are rated higher (275/335). Here's why:
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There are four basic differences between the LT1 in the B and F bodys:
1) F-Bodys have aluminum heads. B-Bodys are steel.
2) The compression ratio on the F-Bodys is 10.5:1, and the B-Bodys is 10:1.
3) Camshafts and Programming are different, as the B-Bodys weigh about 650 pounds more than the F-Bodys.
4) Exhaust systems are different. The stock F-Body exhaust is less restrictive than the stock B-Body exhaust. 10 inches of mercury vs. 13 inches of mercury, respectively.
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I keep my LT1 happy with
synthetic oil,
meticulous maintenance, and
quality parts. On any given day, you could eat off of my engine, it's always this clean.
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Above:
52mm BBK Throttle Body install......Below: What my engine looked like when I bought the car.
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....................................................................My engine isn't stock anymore.
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...Stock 48mm throttle body on the left. 52mm BBK TB on the right. Look at the built in air foil on the BBK. The BBK is not only larger, the inlet is smoother. Why did GM design the stock TB this way? This is no way to flow air!
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Speaking of air flow.....I have a 3.5" F-Body MAF, with Granatelli Ported Composite MAF housing. No screen. Better air-flow, and because it's made of composite material, there is no chance of heat soak. The stock B-Body MAF is 3".
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Since were on the topic of air flow....my Ram Air System is a huge improvement over the stock intake system. The top photo below shows the RAISS Box, and the AirForce 2 Deflector. This system utilizes an S&B filter.
................................The red covers are made by Outerwears. These are water repellant pre-filters.
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This is my "OLD" setup below...
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I have lots more to do......the new intake below is ported for a 58mm Throttle Body. I currently have a
52mm BBK TB, which is as big as you can go without porting. I will have this intake installed with my new
Camshaft,
Roller Rockers, and
Headers...
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I have
Bryan Herter PCM programming (PCMsforless.com).
Bryan is the best. Bryan has finely tuned the brain of my Buick, and in the process created a
Road Monster!!!
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I've been focusing on the
Body,
Interior, and
Gran Sport Theme.
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The
Transmission was rebuilt, the
complete suspension & brake systems were rebuilt & upgraded.
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With all of that finished, I can start the really good performance modifications!!!
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---------------------------------Improvements & modifications done to my RoadMonster----------------------------
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-RAISS (ram air intake system).
-AirForce 2 Air Deflector (for RAISS system).
-97-00 Corvette "Short Ram" dual filter intake. Now Ceramic Coated :) !!!
-3.5" F-Body MAF with ported Granatelli composite ends.
-BBK 52mm Throttle Body w/ new TPS & IAC valve.
-Clear Image Automotive Tri-Y Headers.
-Random Technology Hi-Flow Cats.
-Earls Pressure Master header gaskets.
-Clear Image Automotive Tubular Cross Member (powdercoated red).
-Hughes Finned Aluminum Trans Pan.
-160 degree thermostat.
-Hypertech high-performance 53,000 volt coil.
-Throttle body coolant bypass.
-Bryan Herter Programming (see vendor page).
-LT4 Knock Module. GM part # 16214681.
-New Spark Plugs.
-New Magnecore Spark Plug Wires.
-Peformance 4L60E Transmission and 2200 Stall TC (see vendor page).
-Tuff Stuff Chrome 140 AMP Alternator.
-New Starter.
-Goodyear Gatorback belt.
-Goodyear belt tensioner.
-New Harmonic Balancer.
-F Body / 6 speed EGR valve & solenoid.
-Brass connector to the fuse box: GM part #12176639 / AC Delco.
-Center console w/ floor shifter.
-Seats modified for center console (see vendor page).
-18" x 8.5" O-Z Racing Nova ST Wheels.
-Pirelli PZero Assimetrico 285 40 ZR18 tires.
-Complete suspension rebuild and upgrade.
-BAER "Decelarotors" Brake Rotors.
-SSBC "Force 10" four-piston Brake Calipers.
-G-Stop teflon lined stainless steel flexible brake lines.
-Energy Suspension polygraphite bushings front & rear: coil spring isolators, body mount bushings, & all rubber bushings.
-MOOG problem solver parts: Center link, ball joints, etc.
-UMI Performance UCAs & LCAs w/ Energy Suspension Bushings (see vendor page).
-Eibach Pro-Kit springs.
-Bilstein Shocks.
-Powdercoated (RED) 9C1 / Impala SS front & rear sway bars.
-Hooker 2 1/2" Super Competition Exhaust System, with Summitracing Balance pipe.
-Bradley Salemie's Fuel Gauge Calibration Kit (see vendor page).
-Corvette C4 Fuel Rail Covers & Throttle Cover.
-Meziere 43 GPM Electric Water Pump.
-Powdercoated (RED) Water Pump Housing for Meziere pump.
-Innovative Wiring Custom Harness for Meziere pump.
-Tom Fish's Electric Water Pump Failure Audible/Visual Alarm Kit.
-Autometer Tachometer & Gauges in A-Pillar Pod.
-MSD Opti Spark Cap and Rotor kit.
-GM Opti Spark Vent & Vacuum Hose.
-Goodyear Hi-Miler Hose Kit w/ stainless clamps.
-Innovative Wiring Headlight Harness Kit w/ relays.
-Innovative Wiring Battery Cable / Harness kit.
-Innovative Wiring MAF extension harness.
-Corvette LT4 Composite Valve Covers.
-Corvette LT4 Breather Tube.
-lots of other stuff too...
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I have spare PCMs, Climate Controls, an Entire Dash, Door Panels (in gray, of course), Factory Radios, Head Light assemblies, Tail Light Assemblies, Gauge Clusters, Switch Panels, Mirror Assemblies, all the Air Bags w/ Modules, and way too many Engine Parts to list.
Gotta keep my RoadMonster going for years to come!
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page 1..................Intro Page.
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page 2..................Gran Sport Theme.
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page 3..................Interior & Trunk.
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page 4..................Under The Hood...
(you are here).
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page 5..................Transmission.
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page 6..................Suspension, Wheels, Tires, Brakes, etc.
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page 7..................Exhaust System.
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page 8..................Recommended Vendors.
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page 9..................Modifications: Past, Current, and Future.
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page 10................History: The B-Body & My Car.
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page 11................Restoration and Help Page.
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page 12................Part Numbers Specific to the Roadmasters.
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page 13................The Quest for the Functional Ram Air Hood.
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page 14................STS / CIA Rear Turbo - The Next BIG Upgrade!
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page 15................Shows & Cruise-Ins 2006.
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page 16................Shows & Cruise-Ins 2007.
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page 17................Shows & Cruise-Ins 2008.
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page 18................Shows & Cruise-Ins 2009.
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page 19................Shows & Cruise-Ins 2010.
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