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Author Topic: What kind of car does everyone drive? Steve Matz Jedi Master Film Handler Posts: 672 From: Billings, Montana, USA Registered: Sep 2003 posted 08-13-2014 10:33 PM                     Engines in Vettes after the Compression Ratio Drop gradually became a Joke.The 1980 California Model being the Biggest. A 305ci w/ a whopping 185HP.I was waiting for the 81 Model to have the Old Blue Flame 6 from 1953 days. Answer to power is you pull the old SB and put a 427 L88 Engine in.The neck snapping Torque is why Guys like BB's. The Drawback in my case on this Particlar Car was 4.56 Gearing equals about 8 miles per gallon unless your idling everywhere and the Police like to wait for you to go through the Gears to Clear the Motor Out. They like to Follow you waiting for the Moment...  |  IP: Logged Monte L Fullmer Film God Posts: 8367 From: Nampa, Idaho, USA Registered: Nov 2004 posted 08-13-2014 11:39 PM                     Gee, with 4.56:1 final ratio gearing, I'd want to bust my neck also when the clutch got dumped. Better make sure you're in the five point with a good head rest. About did it in a 426 Hemi Challenger, and that was running 4.11:1 with wrinkle walls on the back end. Yea, try the big 454 in the monster 1976 Impalas: 175HP running 8:1 compression and all plugged up with smog controls. Even with that 454 in a 'Vette: almost lucky to see 200 HP during this era. Total embarrassment for that huge of a motor. Should be almost a HP per cubic inch (screw the metric crap....!)  |  IP: Logged Richard Hamilton Phenomenal Film Handler Posts: 1341 From: Evansville, Indiana Registered: Jan 2000 posted 08-14-2014 08:02 AM                     Steve, AWESOME Vette! What year? 80-81? Sweet engine also, did you rebuild it? I don't think I can even find the spark plugs on mine if I tried. I can check almost all fluids. The transmission level has to be checked from underneath and even my normal mechanic said he can't get to it. Looks like overpriced dealership mechanic prices From How Stuff Works 1997 Corvette Specifications Exceptional braking, handling, ride, comfort, roominess, ergonomics, and value -- the 1997 Corvette C5 had it all. And it was one of the fastest cars in the world to boot. The six-speed went from 0 to 60 mph in 4.7 seconds, a half-second less than an LT4 and just as quickly as the 405-bhp ZR-1. A 172 mph top speed put it about two mph in front of the fastest C4 and just seven mph shy of the ZR-1. On the skid pad, its .93g was the best number ever achieved by a production Corvette, while braking from 60 mph was a supercar-short 125 feet. Mines an automatic and I can't afford any tickets so I haven't really gotten on it yet. Just a couple quick times when some asshole is riding my ass and trying to pass me  |  IP: Logged Steve Matz Jedi Master Film Handler Posts: 672 From: Billings, Montana, USA Registered: Sep 2003 posted 08-14-2014 10:43 AM                     Well Richard on your Vette when the LS Motors eliminated the Distributor and went to coil packs on top of the Valve covers; they needed to put some kind of covers over the top because it was quite unattractive looking with these 8 separate coils and wiring showing. It was actually the biggest improvement ignition wise that GM Made eliminating the antiquated Distributor that has been around since the early 20th century. Now you have an individual coil for each cylinder with the same short length plug wire. You now have the most accurate Ignition timing their is; using a Crank trigger timing method that is as accurate as you will ever find. This Type ignition System is nothing new. Formula 1 Cars have used a Stick Coil type Ignition for decades. If you remove the 2 black Plastic covers between your Cross over Fuel Injection; you will see it is just as easy as the old SB's to access your Spark Plugs. Ironic when they put this LS engine in the now defunct Pontiac GTO Years back. They put no covers on the engine at all; probably because it was the Vette engine to begin with and Chevy wasn't going to have the Pontiac division put their Black or Red(LS7) vette covers on a GTO. Pontiac never did make a set of covers and when you look under the hood without them it's not attractive at all. The New GTO was a Flop IN sales and soon disappeared so it didn't make any difference but that Engine was an LS3 Vette Engine. The modern Chevy Engines LS3,LS6,LS7,LS9 and the new LT4 for 2015 are so much superior than the old SB mouse motors it's unreal. In fact Their Cylinder heads Flow as good or better then the Rectangular Port BB Head like on the Engine above. The new LT4 Engine for 2015 has direct Combustion Chamber injection(bypassing the intake runner)This will be the most efficient engine to ever come out of GM and they have fudged on the HP numbers(probably for insurance purposes) rating it at 650hp. However the Torque is 25ft lbs more than the LS9 engine that was rated at 638 HP. I'm estimating that this engine is probably putting out closer to 675+ HP. It will be a Monster for Power you can bet. I have been building Engines(mostly chevy)since the late 60's and mostly BB's although I've done a number of SB's also. I love the Engines and GM's Technology Advances in the last 10 yrs on these LS Engines is quite extraordinary... BTW: That is a 79 L82(still built in St Louis then) 4 speed. That car had the worst factory paint job I had ever seen on any prior vette I owned. The quality control towards the end of the assembly Plant in St Louis became horrible. The Bowling Green Facility was a complete 180 from St Louis for Fit/Finish,etc. They also have probably the most state of the Art Paint Facilities at BG that you will ever find anywhere... Another L88 Engine I built around the same time. This had 2nd Design Aluminum heads(Round Exh ports Titanium intake valves at $78.00 a piece and hollow- stem sodium filled Exh valves at $42.00 apiece. Pretty expensive valve train but Titanium Valves in a BB will give you another 1000+rpm without doing any other Modification  |  IP: Logged Monte L Fullmer Film God Posts: 8367 From: Nampa, Idaho, USA Registered: Nov 2004 posted 08-14-2014 01:19 PM                     True, COP (Coil Over Plug) Ignition is the way to go now along with GDI (Gasoline Direct Injection). Now, one can run almost 11:1 compression using 87 fuels due to GDI since the fuel is shot into the bores right with the piston starting to come up for compression instead of being shot behind the INT valves during EXH stroke. This is how the MPG and HP numbers are getting better looking along with the much lowered emission numbers. I have a 1990 Ply Laser RS Turbo that, with 1989 numbers, is getting me 190 HP at 6K RPM with 10LBs of Boost. Now, if someone builds a GDI head for this thing along with upping my compression ratio from 7.8:1 to 10.2:1, I bet that motor can push out 300HP stock with no increase in turbo pressure.  |  IP: Logged Steve Matz Jedi Master Film Handler Posts: 672 From: Billings, Montana, USA Registered: Sep 2003 posted 08-14-2014 02:22 PM                     Yeah Monte, who would have ever guessed many years ago when we were running Carbs; that you could eventually buy a 600+HP car that didn't need Sunnoco 104 and could get 20+ MPG and do high 10s,low 11s ET's at the Dragstrip. Back in the 60's if you had 425hp you were bad ass. A base engine LS3 Vette puts out more than that...they make higher HP engines every year but our speed limit has still remained at 55mph most places. Speaking from past expierence Big Horsepower can get you into Trouble quite easily. BTW; Speaking of Coil Packs; The Dodge Hemi Engines not only have the convienence of the coil going right through the Valve cover because of the Spark plug Location, but it is probably the most sanitary and attractive coil arrangement compared to GM & Ford setups...  |  IP: Logged Steve Matz Jedi Master Film Handler Posts: 672 From: Billings, Montana, USA Registered: Sep 2003 posted 08-14-2014 08:49 PM                     One thing I forgot to mention to Richard about those Plastic Covers on his Engine. They should just snap off by lifting them upwards. they snap to the Fuel rail in 2 places close to the intake side and snap to 2 special studs that go through 2 of the Coils. One thing that is kind of neat for these Engines is there are a few companies that sell custom covers. Here is a Set that is on a Camero. You can get a variety of designs whether you want a Carbon Fiber look or whatever.You can change them out in just a couple minutes. Not sure what their costing now though...  |  IP: Logged Jeff Kane Film Handler Posts: 74 From: corpus christi, tx Registered: Jun 2011 posted 08-14-2014 09:37 PM                     I have an '11 Audi S4 I bought last year with 27k on the clock. Has 48k now! Love the car despite the few quirks with the DSG. With traffic the way it is in Houston though, the clutchless aspect is a boon. Next car will be a '13 S6 once they drop into the right price range. Twin turbo V8? Sign. Me. UP.  |  IP: Logged Sam D. Chavez Film God Posts: 2153 From: Martinez, CA USA Registered: Aug 2003 posted 08-15-2014 12:36 AM                       Which quirks?  |  IP: Logged Richard Hamilton Phenomenal Film Handler Posts: 1341 From: Evansville, Indiana Registered: Jan 2000 posted 08-19-2014 09:35 AM                     So my "change engine oil soon" warning keeps flashing under my odometer. According to the "official" sticker in the window, I still have 700 miles to go. I stopped at my mechanics and he said it would be anywhere from $80-$100 bucks. I called Advanced Auto Parts to see what the oil costs, and 6 quarts was about $70 off the shelf. Is oil that fucking expensive or have I neglected some of my cars? A few of them I didn't have long enough to warrant an oil change, also I just don't drive that much to log the hours/mileage on the engine.  |  IP: Logged Mike Blakesley Film God Posts: 12767 From: Forsyth, Montana Registered: Jun 99 posted 08-19-2014 10:04 AM                        That price is undoubtedly for pure synthetic oil, but it still seems a little high. Some brands like Royal Purple are premium priced, but you can often find some brands on sale for in the 6-7 dollar range. You will find as many different opinions on the "best" oil as there are people! But Consumer Reports says to just buy a good brand name, don't mix brands in one oil change, and just shop for the best price. The price you were quoted by your mechanic includes a new filter and of course labor, so it's not really out of line.  |  IP: Logged Richard Hamilton Phenomenal Film Handler Posts: 1341 From: Evansville, Indiana Registered: Jan 2000 posted 08-19-2014 11:41 AM                     From the manual: "What Kind of Oil to Use Look for two things: GM4718M The Corvette engine requires a special oil meeting GM Standard GM4718M. Oils meeting this Standard may be identified as synthetic. However, not all synthetic oils will meet this GM Standard. You should look for and use only an oil that meets GM Standard GM47 18M. NOTICE: If you use oils that don’t have the GM 4718M Standard designation, you can cause engine damage not covered by your warranty." Mobile 1 is a substitute and thats what they quoted me at the parts store.  |  IP: Logged Mike Blakesley Film God Posts: 12767 From: Forsyth, Montana Registered: Jun 99 posted 08-19-2014 12:16 PM                        Here, we sell that type of oil (Mobil 1 synthetic 5w30) for $9.39 a quart and it goes on sale twice a year (spring and fall) for $6.59. The price you got from Advance figures out to $11.67 a quart which does seem high but who knows, it could be driven by location, high wages in your area or something like that. You could also buy it on Amazon Prime....I just found it on there for $8.36 a quart in a 6-pack.  |  IP: Logged Steve Matz Jedi Master Film Handler Posts: 672 From: Billings, Montana, USA Registered: Sep 2003 posted 08-19-2014 12:40 PM                     Contrary to what GM or the other Car MFGers say; Your LS Engine doesn't need to have Synthetic Oil. They are just getting Kick backs from the Oil Companies for Promoting it. They can say all they want about going 10 or 20 thousand or whatever between oil changes. Any Competent Person that cares about their Engine(especially a VETTE Engine IS going to change his oil and filter every 3 thousand mile or less. Obviously you can't be putting expensive synthetic at that price and mileage. I have used Petroleum oil in everything I raced and owned since the 1960's. Mostly Valvoline Racing oil or Castrol R. The Petroleum Industry must have really did a good PR Campaign years back to convince people that their Engines needed Synthetic Oil. LAZY MAN'S OIL. People that don't change their oil for 20,000 miles are Lame... quote: Richard Hamilton NOTICE: If you use oils that don’t have the GM 4718M Standard designation, you can cause engine damage not covered by your warranty." Whats different in an Engine that they say needs Synthetic vs Petroleum. Both use Aluminum or CI Blocks, Crankshafts are still either Nodular Iron or Forged Steel(4340 Carbon) Pistons are still cast or Forged Extruded Aluminum Alloy, Rods are generally 4340 Carbon Steel,rod and main bearings are still ALUMINUM(federal moguel or Clevite), Camshaft is still either Cast Iron or Billet Steel(Roller cams) and Valve Train on Vette Engine still consists of Chrome moly,Carbon steel rockers, Valves are Tool Steel, etc. Everything that used Petroleum for Decades and would go 100,000+ miles if serviced normally.....So now why do we need Synthetic Oil ???????  |  IP: Logged Mike Blakesley Film God Posts: 12767 From: Forsyth, Montana Registered: Jun 99 posted 08-19-2014 12:57 PM                        Synthetic is good for people who forget to get their oil changed in a timely manner. It's also good for high-heat performance engines because it doesn't break down as easily. So if you have a Corvette and you only drive it like any other car (you don't hot-rod it) and you get your oil changed every 3 to 5000, then you can probably get along fine with standard oil. If you do mostly city driving, or a lot of high speed driving, or a lot of gravel-road driving, or if you are an oil-change-procrastinator, then synthetic would be worth the extra bucks.  |  IP: Logged

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