the first person to get an Edelbrock SC on a 6.2!

bass mechanic · June 14, 2014

So i am headed to torrance CA to be the very first Guinea pig to have an E-Force SC installed on a 6.2L

turns out they were looking for a donor vehicle to test fit the new SC and i stepped up to the plate.

i have a 2014 GMC all terrain in black with the 6.2l and about 5500 miles on the clock.

to be honest I'm not sure how i feel about it, they made me too good of a deal to pass up!

it wasn't exactly free but easily 75% off the price of a kit and free installation. ill be without my truck for 4-6 weeks but i am told when i get it back it will have about 150 more HP and TQ than it did when i dropped it off.

So i am going to take the family to California for a little vacation hit some amusement parks, visit with some relatives and drop it off at Edelbrock, then fly home 1 way.

( i got an unbelievable deal on air fare as well! can you believe $342.00 TOTAL to fly myself, wife and 13 yr old from LAX to DEN 1 way! and only 100 bucks to fly back!!)

living at 6500 feet ASL has its disadvantages but that can be fixed pretty easily with forced induction. i am pretty certain based on the numbers I've seen from a stock truck and 150 extra hp should put me into the 13 sec 1/4 mile range (at sea level)

anyway I'm pretty excited, and a little apprehensive at the same time. i am getting the full 5 year 100k mile drivetrain warranty they offer so i feel a lot better about that.

i am also excited to know I'm the first person to get the kit and i feel very comfortable having Edelbrock install it.

so stay tuned and ill give everyone an update when i get it back.

GMC-AT · June 14, 2014

I don't know.. seems like you could do a program, intake,etc, for a lot cheaper and faster....if you haven't done it already. You wont get 150 HP.. but a nice bump. And you will likely keep your warranty. Regardless of what they say.. that warranty is toast with a supercharger.

how much does it typically cost for the part and install? I can tell you for them to tear my truck apart, void the warranty, keep my ride for 6 weeks, etc... they not only will be paying for all parts and labor.. but also paying me some good $$ to cover all travel then some... not bashing you .. it's your truck... just my thoughts.

GMC-AT · June 14, 2014

edit - just saw the part about the 100K warranty. I would have then lay out the terms.. who does the work, etc?

thetruck454 · June 14, 2014

I don't know.. seems like you could do a program, intake,etc, for a lot cheaper and faster....if you haven't done it already. You wont get 150 HP.. but a nice bump. And you will likely keep your warranty. Regardless of what they say.. that warranty is toast with a supercharger.

how much does it typically cost for the part and install? I can tell you for them to tear my truck apart, void the warranty, keep my ride for 6 weeks, etc... they not only will be paying for all parts and labor.. but also paying me some good $$ to cover all travel then some... not bashing you .. it's your truck... just my thoughts.

If Edelbrock is like Magnacharger, they supplement the voided GM warranty with their own. Not sure how well it works though.

bass mechanic · June 14, 2014

the warranty is actually pretty good. it only lasts for the remainder of what your GM warranty would have lasted. you can choose 3 different levels up to 20,000 total repair costs.

the one i am getting is the least expensive its 10k for the engine, 2500 for the trans and 1500 for the rear end.

anything goes wrong and you take it to a local gm dealer and the repair bio gets sent to the warranty company. no deductible, done!

chevyguy45 · June 14, 2014

Will the 6.2 still put you back in your seat above sea level?

bass mechanic · June 15, 2014

Will the 6.2 still put you back in your seat above sea level?

yes but definitely not like it does for you in FL.

for example with traction control off and mash the gas at a dead stop you can get a .5 sec chirp from the tires as you take off.

I've heard at sea level you can leave yards of black stripes!

heres another for example. I've heard several people with a C6 corvette Z06 can run a 1/4 mile time of 11.7-11.5 on street tires. the best i could manage here was 12.75

the fast lane truck TV show tested the 6.2 here in colorado with a g-tech meter and managed something like 7.5-8 sec 0-60 times while someone in south Carolina did the same in 6.0 flat!

on average we loose about 25% here so if you have 400 hp there, your going to get about 300 of those ponies here.

the ONLY advantage is we tend to get a little better MPG here. i get about 23 highway pretty consistently, 24 if i really work for it. (at 75 mph)

about the only other advantage is it affects everyone the same so if your the guy who bought forced induction for your rig, everyone else is gasping for air like an asthma victim! giving you a distinct advantage.

also 91 octane is not as necessary here because even though the compression ratio hasn't changed, we don't get the same cylinder pressure you do and there is less chance of detonation here.

on a boosted car, you can actually go with 3psi more boost and expect similar performance as you might get at sea level, we also have a little less wind resistance here at speed.

what you really notice is a lack of overall torque engines still rev but they just don't pack the gut wrenching punch of torque. its kind of like how your voice sounds when you exhale with helium from a balloon! its just weak..

Northside · June 15, 2014

Just curious. I'm an old hot rodder and way out of date. In the old days we dropped compression on supercharged engines. Are they lowering compression, changing pistons or are they putting a blower on an engine with 11.5 : 1 compression. How about the camshaft?

losky79 · June 15, 2014

I was just thinking about that today. How much better would my truck run mpg and acceleration wise at sea level vice being at 7,200' here in Santa Fe. A SC or turbo kit for the 4.3 would be nice!!!

bass mechanic · June 15, 2014

Just curious. I'm an old hot rodder and way out of date. In the old days we dropped compression on supercharged engines. Are they lowering compression, changing pistons or are they putting a blower on an engine with 11.5 : 1 compression. How about the camshaft?

Just curious. I'm an old hot rodder and way out of date. In the old days we dropped compression on supercharged engines. Are they lowering compression, changing pistons or are they putting a blower on an engine with 11.5 : 1 compression. How about the camshaft?

a very good question and while i am not an engine builder i believe this response to be fairly accurate..

the newer engines are direct injected. this means the fuel is under considerably more pressure and injected into the cylinder all at once just before top dead center.

this has a couple of advantages.

1 since the intake valve is already closed, your adding fuel to an already closed and under compression cylinder, thus your already supercharging to some extent the total volume of air and the now added fuel which is why these engines make so much more torque and hp of their same displacement counter parts. (flex fuel E 85 makes more power see below)

2. to some extent your able to minimize detonation because the fuel itself cools the intake charge while under compression. and since your adding fuel at the moment just before it gets lit off you can effectively control the point at which it burns because prior to the fuel being added to the CYL you had nothing to burn yet. (much like a diesel engine)

also i believe detonation can be controlled by cylinder head design and a few other tricks built into this engine.

on the previous generation of LS engines without DI i believe the compression ratios are lower than the new DI series. but i think we can both agree they are pushing the limits in both cases.

i suppose fuel quality these days is more critical than before as well and to that end E85 applications make it possible to push the boost levels even higher due to the lower flash point of e85 and the fact it takes 30% more of the fuel itself (providing more cooling) in an engine designed for it. with flex fuel your adding 30% more fuel to the same cylinder thus making more power. this concept only adds power to a direct injected engine because a multi port FI engine can still only draw in the same quantity of air and fuel on the intake stroke. so you tent to get the same power as 91 on a multiport designed engine verses direct injected running E85 makes more because your able to stuff more total volume into the cylinder by adding the fuel after the intake valve closes.

i know someone who took a totally stock yamaha R1 with 12:1 compression and slap a turbo on it, running E85 run a 1/4 mile in just 7 seconds at this altitude with nothing more than a new reprogrammed ECU and a pneumatic shifter tied in. totally stock otherwise!

bass mechanic · June 15, 2014

I was just thinking about that today. How much better would my truck run mpg and acceleration wise at sea level vice being at 7,200' here in Santa Fe. A SC or turbo kit for the 4.3 would be nice!!!

all i can tell you is your problem is worse than mine! but the good news is if you head south your a lot closer to sea level than me and i highly recommend you plan a road trip to find out.

whenever i plan a road trip that takes me to lower elevations i have a hard time deciding which car to take because like you, I'm curious as well. and i wish for just 1 day the barometric pressure would magically increase by .25 bar so i can enjoy the horsepower i paid for but never got!

losky79 · June 15, 2014

all i can tell you is your problem is worse than mine! but the good news is if you head south your a lot closer to sea level than me and i highly recommend you plan a road trip to find out.

whenever i plan a road trip that takes me to lower elevations i have a hard time deciding which car to take because like you, I'm curious as well. and i wish for just 1 day the barometric pressure would magically increase by .25 bar so i can enjoy the horsepower i paid for but never got!

I'm guessing if I were to have my 4.3 dynoed here I would be lucky to get 240 hp to the wheels.

bass mechanic · June 15, 2014

I'm guessing if I were to have my 4.3 dynoed here I would be lucky to get 240 hp to the wheels.

uhh, you bought a 4.3? Duuuuude! why the hell would you do that? hate to say this but when i buy i also think about resale value. on the used market in this area i don't think it will be a popular engine choice..

i also drive a lexus is 350 and it totally baffles me why anyone here would buy the 250 version making only 200 hp and in the AWD trim. that has got to be the most pathetic performing luxury sport sedan alive at this altitude.

at sea level? maybe! but not here.

i didn't even know GM put a 4.3 in a full size truck until i found this site. my old tacoma had the 4.0l v6 and it was actually very adequate. but i put the TRD supercharger on that as well and my 6.2 stock is still faster than my tacoma was!

Northside · June 16, 2014

a very good question and while i am not an engine builder i believe this response to be fairly accurate..

the newer engines are direct injected. this means the fuel is under considerably more pressure and injected into the cylinder all at once just before top dead center.

this has a couple of advantages.

1 since the intake valve is already closed, your adding fuel to an already closed and under compression cylinder, thus your already supercharging to some extent the total volume of air and the now added fuel which is why these engines make so much more torque and hp of their same displacement counter parts. (flex fuel E 85 makes more power see below)

2. to some extent your able to minimize detonation because the fuel itself cools the intake charge while under compression. and since your adding fuel at the moment just before it gets lit off you can effectively control the point at which it burns because prior to the fuel being added to the CYL you had nothing to burn yet. (much like a diesel engine)

also i believe detonation can be controlled by cylinder head design and a few other tricks built into this engine.

on the previous generation of LS engines without DI i believe the compression ratios are lower than the new DI series. but i think we can both agree they are pushing the limits in both cases.

i suppose fuel quality these days is more critical than before as well and to that end E85 applications make it possible to push the boost levels even higher due to the lower flash point of e85 and the fact it takes 30% more of the fuel itself (providing more cooling) in an engine designed for it. with flex fuel your adding 30% more fuel to the same cylinder thus making more power. this concept only adds power to a direct injected engine because a multi port FI engine can still only draw in the same quantity of air and fuel on the intake stroke. so you tent to get the same power as 91 on a multiport designed engine verses direct injected running E85 makes more because your able to stuff more total volume into the cylinder by adding the fuel after the intake valve closes.

i know someone who took a totally stock yamaha R1 with 12:1 compression and slap a turbo on it, running E85 run a 1/4 mile in just 7 seconds at this altitude with nothing more than a new reprogrammed ECU and a pneumatic shifter tied in. totally stock otherwise!

Great answer. Thanks. I've become a big fan of E-85 in my 5.3.

Prokopchuk_9 · June 16, 2014

So i am headed to torrance CA to be the very first Guinea pig to have an E-Force SC installed on a 6.2L

turns out they were looking for a donor vehicle to test fit the new SC and i stepped up to the plate.

i have a 2014 GMC all terrain in black with the 6.2l and about 5500 miles on the clock.

to be honest I'm not sure how i feel about it, they made me too good of a deal to pass up!

it wasn't exactly free but easily 75% off the price of a kit and free installation. ill be without my truck for 4-6 weeks but i am told when i get it back it will have about 150 more HP and TQ than it did when i dropped it off.

So i am going to take the family to California for a little vacation hit some amusement parks, visit with some relatives and drop it off at Edelbrock, then fly home 1 way.

( i got an unbelievable deal on air fare as well! can you believe $342.00 TOTAL to fly myself, wife and 13 yr old from LAX to DEN 1 way! and only 100 bucks to fly back!!)

living at 6500 feet ASL has its disadvantages but that can be fixed pretty easily with forced induction. i am pretty certain based on the numbers I've seen from a stock truck and 150 extra hp should put me into the 13 sec 1/4 mile range (at sea level)

anyway I'm pretty excited, and a little apprehensive at the same time. i am getting the full 5 year 100k mile drivetrain warranty they offer so i feel a lot better about that.

i am also excited to know I'm the first person to get the kit and i feel very comfortable having Edelbrock install it.

so stay tuned and ill give everyone an update when i get it back.