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Camaro Z/28 Forum - Z/28 Specific Topics Discussions related to the 5th gen Camaro Z/28 model

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Old 05-04-2011, 11:04 PM   #51
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Comments about the LS3 getting a power bump to 450-475hp or putting a LS7 in the Z/28 and the fact that none of that has anything to do with heritage. Also comments about the BOSS getting a 5 Liter engine that produces 450 hp. I don't see why an engine like the LS327 or a DI varian't couldn't make it into a Z/28.

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Old 05-04-2011, 11:40 PM   #52
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It could, but that's all if GM wants to build it. My feeling is make it rev, make it handle, make it appealing, and give it some power around 450-480, because the current car is a little on the heavy side of things. The cost is going to be the biggest factor. It would have to be an engine that is used in more then one type of vehicle to keep it cost effective. So LS3, LS7 or even LS 327 could be an option. The only heritage piece I can see using is make it appealing, handling, and price other then that I will just drive my old cars for the direct heritage fix.
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Old 05-05-2011, 12:11 AM   #53
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I for one would like to see a COPO package. For me putting the LSX 454 for the LSX376 motor with fuel injection would be cool. Have the LS or LT cloth interior and the new steering wheel design for 2012 and the hopped up ZL1 performance Drivetrain and steelie rims with police dish hub cap and in red, black, or silver and price it right, I would scoop one up. It would be powerful, fun and track read for road coursing or drag.

As for the Z28 I think it would be neat for a v6 turbocharged or supercharged option producing a good 375 and have the ZL1 drive train and performance gear toward road course. Or like someone else pop in the LS 327 for the same amount of horsepower naturally aspirated.
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Old 05-05-2011, 02:47 AM   #54
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my dream Z/28.... serious suspension, put the car on a diet, zr1 carbon ceramic brakes, and a tweaked ls3.
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Old 05-05-2011, 02:49 AM   #55
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and why do people say that a blown z06 will beat a zr1 on the track? No one thinks the tires, suspension, chassis, cf body panels, or maybe the massive carbon ceramic brakes add anything else? ya ZR1 is untouchable for the money with a warranty
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Old 05-05-2011, 08:15 AM   #56
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I for one would like to see a COPO package. For me putting the LSX 454 for the LSX376 motor with fuel injection would be cool. Have the LS or LT cloth interior and the new steering wheel design for 2012 and the hopped up ZL1 performance Drivetrain and steelie rims with police dish hub cap and in red, black, or silver and price it right, I would scoop one up. It would be powerful, fun and track read for road coursing or drag.

As for the Z28 I think it would be neat for a v6 turbocharged or supercharged option producing a good 375 and have the ZL1 drive train and performance gear toward road course. Or like someone else pop in the LS 327 for the same amount of horsepower naturally aspirated.
Stop putting a V6 in a Z/28. That would be an epic failure. :(
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Old 05-05-2011, 10:18 AM   #57
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I for one would like to see a COPO package. For me putting the LSX 454 for the LSX376 motor with fuel injection would be cool. Have the LS or LT cloth interior and the new steering wheel design for 2012 and the hopped up ZL1 performance Drivetrain and steelie rims with police dish hub cap and in red, black, or silver and price it right, I would scoop one up. It would be powerful, fun and track read for road coursing or drag.

As for the Z28 I think it would be neat for a v6 turbocharged or supercharged option producing a good 375 and have the ZL1 drive train and performance gear toward road course. Or like someone else pop in the LS 327 for the same amount of horsepower naturally aspirated.
Because of Federal regs and cost the ZL1 will be about as COPO as your going to get in this day and age. Other then that your going to have to look to the third party option. 375 hp would miss the mark as far as competitive track car w/ out losing lots of weight an that dead horse is beat. Keep it a V8 just easier and more cost effective to make it so.
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Old 05-05-2011, 06:41 PM   #58
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Stop putting a V6 in a Z/28. That would be an epic failure. :(
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Old 05-05-2011, 06:42 PM   #59
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Old 05-05-2011, 09:51 PM   #60
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Absolutely NO V6!!!!!!!!!!!!!!!
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Old 05-05-2011, 10:05 PM   #61
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Comments about the LS3 getting a power bump to 450-475hp or putting a LS7 in the Z/28 and the fact that none of that has anything to do with heritage. Also comments about the BOSS getting a 5 Liter engine that produces 450 hp. I don't see why an engine like the LS327 or a DI varian't couldn't make it into a Z/28.
Because there is no LS327 and GM will never make an exclusive motor for a low production Camaro. It will get a motor that is currently in another car and seeing as the LS7 is the lasy GenIII V8 in production I would doubt it would be that. Who cares how engine displacement? HP is all that matters.
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Old 05-05-2011, 10:06 PM   #62
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GM doesn't play to lose!!!
The Boss must be beaten at it's own game!!!
It will be.
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Old 05-05-2011, 11:25 PM   #63
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Because there is no LS327 and GM will never make an exclusive motor for a low production Camaro. It will get a motor that is currently in another car and seeing as the LS7 is the lasy GenIII V8 in production I would doubt it would be that. Who cares how engine displacement? HP is all that matters.
Really????????????


LS327 - 5.3 Liter TECH SPECS:
Part Number: 19165628 Engine type: LS Series small-block V-8
Displacement (cu in): 327 (5.3L)
Bore x stroke (in): 3.78 x 3.62 (96 x 92mm)
Block (P/N 12568734): Cast-iron with 6-bolt, cross-bolted iron main caps
Crankshaft (P/N 12553480): Nodular iron
Connecting rods (P/N 12568734): Powdered metal steel
Pistons (P/N 12571545): Hypereutectic aluminum
Camshaft type (P/N 12561721): Hydraulic roller
Camshaft lift (in): .467 intake / .479 exhaust
Camshaft duration (@.050 in): 196 degree intake / 201 degree exhaust
Cylinder heads (P/N 12559865): Aluminum; cathedral port
Valve size (in): 1.89 intake / 1.55 exhaust
Compression ratio: 9.5:1
Rocker Arms (P/N 10214664): Investment cast, roller trunnion
Rocker arm ratio: 1.7:1
Recommended fuel: 87 octane
Maximum rpm: 6000
Reluctor wheel: 24X
Balanced: Internal
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Old 05-05-2011, 11:49 PM   #64
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Really????????????


LS327 - 5.3 Liter TECH SPECS:
Part Number: 19165628 Engine type: LS Series small-block V-8
Displacement (cu in): 327 (5.3L)
Bore x stroke (in): 3.78 x 3.62 (96 x 92mm)
Block (P/N 12568734): Cast-iron with 6-bolt, cross-bolted iron main caps
Crankshaft (P/N 12553480): Nodular iron
Connecting rods (P/N 12568734): Powdered metal steel
Pistons (P/N 12571545): Hypereutectic aluminum
Camshaft type (P/N 12561721): Hydraulic roller
Camshaft lift (in): .467 intake / .479 exhaust
Camshaft duration (@.050 in): 196 degree intake / 201 degree exhaust
Cylinder heads (P/N 12559865): Aluminum; cathedral port
Valve size (in): 1.89 intake / 1.55 exhaust
Compression ratio: 9.5:1
Rocker Arms (P/N 10214664): Investment cast, roller trunnion
Rocker arm ratio: 1.7:1
Recommended fuel: 87 octane
Maximum rpm: 6000
Reluctor wheel: 24X
Balanced: Internal
This is a passenger car engine used in performance applications designated as an LS327?? Hmmm, I don't think a cast iron block that redlines at 6K with a 9.5:1 compression ratio is going to cut it.
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Old 05-05-2011, 11:53 PM   #65
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They make 2 versions with an aluminum block it is the LH6 anf the LC9. Do a search on the good 'ol internet and many many people are modding these engines using LS2 stuff and ZO6 cams and make them scream. with cylinder walls as thick as they are with the smaller displacement you can do a whole lot. Plus redline is only at 6000 rpms because of the valve springs.
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Old 05-06-2011, 12:01 AM   #66
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This is a passenger car engine used in performance applications designated as an LS327?? Hmmm, I don't think a cast iron block that redlines at 6K with a 9.5:1 compression ratio is going to cut it.
Do a little home wrk plenty of engine builders are using these platforms w/ some better internals /heads and getting 500 hp @6500. GM could easily do something similar for not much RD and cost. An if I can get 500 hp out of Gen one iron block 350 for 5k the LS327 could be done as well.
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Old 05-06-2011, 12:04 AM   #67
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They make 2 versions with an aluminum block it is the LH6 anf the LC9. Do a search on the good 'ol internet and many many people are modding these engines using LS2 stuff and ZO6 cams and make them scream. with cylinder walls as thick as they are with the smaller displacement you can do a whole lot. Plus redline is only at 6000 rpms because of the valve springs.
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Old 05-06-2011, 12:17 AM   #68
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How are you not getting it?? Engine builders are getting 500hp with 5.3's, sure. Engine builders are also getting 1000hp out of LS3's. That has nothing to do with GM. They are not going to build a new motor, re-cast an aluminum 5.3 since they haven't been made since '07 and re-cast genIII LS2 heads to help a handful of enthusiests get a chubby about an old dispcament number for a engine that was never offered in a Z28 in the first place, Why the hell would they do that when they can re-tune an LS3 and make a few air flow changes and cam changes to make the same or more power?? Again who gives a shit what the displacement of the motor is?? Want a 302 Z28? Buy a '67-'69.
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Old 05-06-2011, 12:26 AM   #69
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How are you not getting it?? Engine builders are getting 500hp with 5.3's, sure. Engine builders are also getting 1000hp out of LS3's. That has nothing to do with GM. They are not going to build a new motor, re-cast an aluminum 5.3 since they haven't been made since '07 and re-cast genIII LS2 heads to help a handful of enthusiests get a chubby about an old dispcament number for a engine that was never offered in a Z28 in the first place, Why the hell would they do that when they can re-tune an LS3 and make a few air flow changes and cam changes to make the same or more power?? Again who gives a shit what the displacement of the motor is?? Want a 302 Z28? Buy a '67-'69.
Cool your jets... I get it just fine this is just a discussion on what if's, because a Z28 doesn't currently exist. If it did it might be cool if GM built the car w/ a smaller engine, because the Vettes that are being race have to use a 5.5l engine to meet class spec's. An if a Z was built to meet class spec (for the average RR) it may have to use a small engine. Even the current Camaro's have to use a restrictor, because of the LS3 displacement (class dependent). That's why. The Camaro did exist in 2007 either, but your diving one now (the test mule GTO/ LS2). My point is just because they aren't making it now doesn't mean that the tech can't come from a test mule such as a LS 327. Even GM looks to other builder's for idea's and concepts. I guess I will just choose to disagree and keep an open mind..
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Old 05-06-2011, 01:03 AM   #70
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it would be the same thing as if a lot of people on here have been saying for the Z/28, a Hight Output LS3. Any time you change anything on an engine it has to be recertified for use and durability.
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Old 05-06-2011, 01:26 AM   #71
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Never gave the LS 327 much though until you said something, but could see it as an option.
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Old 05-06-2011, 01:28 AM   #72
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I really think that it would be a great option and hell might get better gas mileage for the tree people! LOL
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Old 05-06-2011, 01:41 AM   #73
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Yup sooner then later the MPG thing is going to really start effecting the pony cars. Especially when people want to balance performance w/ DD aspects. I know that most say who cares, but low sales means the beginning of the end for a company that's has to make money selling cars to stay alive. An the performance minded people w/deep pockets seem to be the minority.
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Old 05-06-2011, 09:21 AM   #74
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Yup sooner then later the MPG thing is going to really start effecting the pony cars. Especially when people want to balance performance w/ DD aspects. I know that most say who cares, but low sales means the beginning of the end for a company that's has to make money selling cars to stay alive. An the performance minded people w/deep pockets seem to be the minority.
This is when we need to start looking at European cars and how they make power. For the most part they don't use big V8's, if you want 6.2L size its a V12, but they do a great job with the HP in tiny 3.5L V8's and MPG's are great also.
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Old 05-07-2011, 04:44 PM   #75
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This is when we need to start looking at European cars and how they make power. For the most part they don't use big V8's, if you want 6.2L size its a V12, but they do a great job with the HP in tiny 3.5L V8's and MPG's are great also.
Dual Overhead Cams bro.... There are no European cars that use a pushrod engine anymore... GM has something cooking but I don't think that it is a DOHC....
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