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 Big Block Chevy High Performance Billet Timing Chain  US $43.99
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 Performance How To Build High Performance Small Block Chevy Cylinder Heads Book US $24.95
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High Performance Technology Vol. #1 Small Block Chevy |
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Chevy Hybrid Smallblock Build Sale Price: $1.99 |
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How to Build Max Perf Chevy Small-Blocks on a Budget (Performance How-To) List Price: $24.95 Sale Price: $16.46 |
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There's a common thread that connects high-performance enthusiasts; they want horsepower at the most affordable price. Hot rodders have always searched for ways to save money and improve performance, which includes fabricating their own parts, buying prime used parts, searching classifieds, and combing swap meets looking for deals... |
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How to Rebuild GM LS-Series Engines (S-A Design) List Price: $24.95 Sale Price: $16.46 |
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With the increasing popularity of GM's LS-series engine family, many enthusiasts are ready to rebuild. How to Rebuild GM LS-Series Engines is the first book of its kind to help you rebuild your GM LS-series engine... |
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How to Rebuild Small-Block Chevy Lt1/Lt4 Engines Hp1393 List Price: $21.95 Sale Price: $12.46 |
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Hot Wheels RC Nitro Speeders Mustang Car List Price: $27.99 Sale Price: $22.58 |
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Turn up the heat on racing fun with this superfast, highly responsive micro RC car from Hot Wheels. Nitro Speeders cars come with their own carrying case, which serves as the remote control, as well as a charger to keep the car at peak performance... |
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Hot Wheels RC Nitro Speeders Chevy Camaro Car List Price: $27.99 Sale Price: $42.90 |
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Hot Wheels RC Stealth Rides Nitro Speeders Collection: A super fast, highly responsive portable micro RC car that deliver amazing performance. Nitro’s come in their own carrying case, which not only serves as the remote control, but acts as a charger to keep the cars at peak performance... |
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MTX 600XD Class D Mono Amplifier List Price: $349.95 Sale Price: $234.99 |
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The X Thunder 600XD pushes out up to 600 watts RMS to your subwoofer system, so you can be sure youre getting enough bass. This mono subwoofer amp includes a bass boost and a subsonic filter so you can really shape your low-frequency tones... |
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Rockford Fosgate P400-4 400 Watt 4-Channel Amplifier List Price: $359.99 Sale Price: $219.99 |
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The P400-4 is perfect for 4-way front-stage/rear-fill or 3-way front-stage/subwoofer systems. Simply drop a pair of component speakers on the front channels and subs on the rear and BOOM--you got "The PUNCH... |
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Rockford Fosgate Punch 400-Watt Stereo Amplifier List Price: $359.99 Sale Price: $193.19 |
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2-channel car amplifier 100 watts RMS x 2 at 4 ohms (200 watts RMS x 2 at 2 ohms) 400 watts RMS x 1 bridged output at 4 ohms (4-ohm stable in bridged mode) Dynamic Thermal Management cooling system variable high- and low-pass filters (50-500 Hz, 12 dB/octave) variable bass/treble boost (0-18 dB at 45 Hz, 0-12 dB at 12,000 Hz) optional wired remote bass/treble boost Class-AB amplifier design MOSFET power and output stages preamp inputs and outputs 4-gauge power and ground leads and a 80-amp fuse recommended wiring and hardware not included with amplifier no on-board fuses when installing multiple amps in a system, an additional 80-amp in-line fuse between the distribution block and the amplifier is recommended 10-1/4"W x 2-1/4"H x 8-11/16"D |
Featured Article :
Chevy Cobalt Engine Options: A Brief Summary
There are at least five popular engine options for the Chevy Cobalt, and the good news is that most of the engines are interchangeable with a very minimum amount of work. This interchangeability is due to Chevy's design philosophy and the fact that Chevy engines built from the same blocks can very different and unique. The different engines that can be crafted from the same engine block and placed into a Chevy Cobalt can produce dramatically different results in terms of performance as well as fuel economy and overall reliability.
The 2.2L Ecotec inline 4-cylinder, also referred to as the L61, is the default engine that powers the base Chevy Cobalt. This engine is reasonably powerful for day to day uses, and even sufficient for freeway speeds. The L61 is available in different tunes, and can produce between 145 and 148 horsepower along with 155 lb-ft of torque. The L61 is generally regarded as one of the more reliable Chevy engines around, but it was actually replaced some a better motor in 2009. The new 2.2L Ecotec that Chevy started putting in their Cobalts in 2009 was referred to as the LAPI4, but it is worth noting that the Ecotec LE5 was also an option for 2007 and 2008 Cobalts.
The L6 remains one of the more affordable engines for a Cobalt, but the LAP and LE5 Ecotec motors generally provide better performance and higher overall reliability. The LAP Ecotec displaces 2.2 liters, and offers a higher overall horsepower output of 155 with a reduce torque curve that tops out at 155 lb-ft of torque. This combination proved popular with many drivers despite the slightly flatter torque curve. Mechanics tend to appreciate the implementation of variable valve timing and other cylinder head modifications on the LAP series of Ecotec motors, which are regarded as some of the easiest Chevy engines to work on.
The 2.4L LE5 series Ecotech motors became available as a slightly more upscale engine option in the 2006 model year, and appealed to those Cobalt buyers that wanted a little extra power. The 171 horsepower that was on tap from the 2.4L LE5 proved sufficient for many commuters during 2006 and 2007, and Chevrolet even produced a limited run of SS badged Cobalts in 2008 that had a slightly tuned version of the LE5 that featured 173 horsepower and 163 lb-ft of torque. Believe it or not, the SS-tuned LE5 was not as torque as the non-SS tuned versions, but many people simply look at horsepower figures when trying to determine how quick any given model is.
On the subject of speed, the Chevy Cobalt came with a factory-tuner SS version. The SS version initially started with a modestly tuned and supercharged 2.0L Ecotec referred to internally as the LSJ S/C I4 Ecotec. Chevrolet went with the smaller displacement in an effort to create a lighter motor that would rev quickly through gears. The Initial engine was certainly powerful, with 205 horsepower and 200 lb-ft of torque on tap, but it was nothing like what was coming next: the Ecotec LNF Turbo model 2.0L.
GM had been cooking up a number of high performance vehicles, such as the Saturn Sky and Pontiac Solstice, that used the same fundamental block as the Chevy Cobalt. Other larger vehicles using larger motors could also benefit from a new generation of Chevy engines that used the same basic Ecotec block paired with forced induction to achieve greater performance while getting better fuel mileage. The result was a 260 horsepower 2.0L turbocharged motor that fit well into the Chevy Cobalt. While forced induction reduces the lifespan of any motor, turbocharging is far healthier for motors than supercharging them. This puts the LNF Tubro I4 as the top of the line motor for performance enthusiasts, but it does put it next to last in terms of overall reliability. That is not to imply that the LNF Ecotecs were not reliable, but the massive increase in overall output does come at a cost.
About the Author
If you have a Chevy in need of a replacement engines, we offer great used Chevy engine with vehicle history reports. You can also get remanufactured and used car engines for the Chevrolet Astro, Chevy Malibu, Camaro and Corvette.
chevy small block heads?
K, so i have a 350 sbc and i was thinking of putting some 1.84 heads off of an 81 305, ive read reviews saying that will up the low end torque but lose out on top end, but another option i was thinking of going with, is what would be the outcome if i was to get 1.72 heads but put 1.94 intake valves in, wouldnt that make the compression a lot higher and it would still be able to breathe good, so in all would i have high compression and good low and top end? What would be the better choice here?
You really don't want to put 305 heads on a 350. The reason is most 305 head are 56-58cc which would make the compression way too high. You need to know what your head specs are now before getting a new set. They are probably more like 72cc maybe a little less. It depends what other thing u did to the engine and the rpm range you're running your engine. Remember you can gain some compression with a thinner head gasket too. I wouldn't go higher than 10:1 for the street. Also if you do go for higher compression, remember to use premium gas like 92-94 octane. I would increase the intake valve one size up (like 1.82 to 1.94) and increase the compression, no more than 1 for the street. The heads should be completely rebuilt too. That should be a noticeable difference.
ALLEN PARK: Police looking for man involved in car chase that ended on football field
ALLEN PARK — One man is in custody and police are seeking a second man involved in a high speed chase through a residential area and onto Cabrini Catholic High School’s football field.
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