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The Pub For General Automotive Related Talk |
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#61 | |||
FF.Com.Au Hardcore
Join Date: May 2005
Location: On a knifes edge!
Posts: 3,407
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I ask why? |
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#62 | |||
FF.Com.Au Hardcore
Join Date: Aug 2006
Location: WA, Perth/ Pilbara
Posts: 2,473
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Quote:
anyone can whack on a straight thou pipes, but it will still sound like P.I.S.S. The Boss can sound like chit with a bad system, there is a GT at work with the worst System on it ever, sounds like a V6 commodore. Then I have herd others that sound amazing. |
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#63 | |||
LPG > You
Join Date: Dec 2004
Location: Sydney, NSW, Australia
Posts: 4,277
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Quote:
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LPG Lovers Association President & Member #1. ![]() ![]() |
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#64 | ||
1999 Ford Fairmont Ghia
Join Date: Mar 2007
Location: NSW
Posts: 1,162
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First of all OHC technology has been around just as long as Pushrod technology nearly all car technology we have today was invented in the 20's and 30's but it takes time for it to become economical.
Fact is that a OHC engine of the same capacity as a OHV engine will always produce more horsepower, the advantage of OHV is the packaging benefits thus why you never really see a OHC beyond 5.0L It's not fair to look at the BOSS and say that the LS7 is the best engine design as: 1)The Modular was developed in the early 90's while the GEN4 is a brand new family. 2)The Modular is a truck engine with a cast iron block and long stroke configuration. It's Ford's own fault for not devloping a new V8 family sooner but subsequently you will find that Fords new "Hurricane V8" with 6.3L plus capacity in a big bore OHC engine will cause GM a lot of grief. Even so for it's age and it's intended purpose the Modular has performed extremely well in supercars such as the: Koenigsegg CCR 601kw@6900rpm 920nm@5700rpm Ford GT 410kw 678nn Even the non-supercar Shelby Mustang produces a healthy 373kw. Plus I don't think the LS7 is a relative bargain I'm pretty sure the crate cost alone is around 50,000 dollars plus where the Modular is a fraction of the cost and can produce similar performance levels to the LS7 with a blower and don't try and say you can't match supercharged to naturally aspirated as Holden did it for years matching their supercharged V6 against the sophisticated Ford I6 and even though the Modular gets it's high performance through forced induction it hasn't stopped it being a run away success in the US. Basically each technology has it's advantages and people will swear by either one I believe that capcity equals power and if you don't have capcity OHC and VVT can be a good substitute and if you have both capacity and OHC then you have a winner. Remember the FE family 427 SOHC was banned from NASCAR due to it's obvious advantage. You want to spice up the thread some more throw in ****el Rotary vs Reciprocating, Desmodromic vs Valve Spring and 2 stroke vs 4 stroke these have been around just as long and are just as heated. ![]() |
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#65 | ||
Regular Member
Join Date: Jul 2007
Posts: 106
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That's not particularly helpful green dude.
I'm yet to hear one that sounds any better than mine but that isn't in the same league as a decent system on an LS Chevy. Now if you could tell me what or even who does these wonderful magical systems, I'm all ears. |
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#66 | |||
Clevo Mafia Inc.
![]() Join Date: Dec 2004
Location: Melbourne
Posts: 10,496
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#67 | ||
Regular Member
Join Date: Jul 2007
Posts: 106
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OK, that's more helpful. If there happened to be such a set up kicking around Melbourne Northern Suburbs, I'd love to take a listen.
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#68 | |||
FF.Com.Au Hardcore
Join Date: Dec 2004
Location: Canberra Region
Posts: 8,943
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Quote:
As for $50k for an LS7 you are way off the mark The LS7 crate motor costs about $13k. Even the C6R crate engine is $18k Go look up what a M5 engine costs ![]()
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2016 FGX XR8 Sprint, 6speed manual, Kinetic Blue #170 2004 BA wagon RTV project. 1998 EL XR8, Auto, Hot Chilli Red 1993 ED XR6, 5speed, Polynesian Green. 1 of 329. Retired 1968 XT Falcon 500 wagon, 3 on the tree, 3.6L. Patina project. Last edited by XR Martin; 07-07-2007 at 09:15 PM. |
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#69 | |||
1999 Ford Fairmont Ghia
Join Date: Mar 2007
Location: NSW
Posts: 1,162
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Quote:
![]() Pretty sure the LS7 is 50 grand though might be wrong. Just trying to make the point that the Modular has a lot of potential |
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#70 | |||
Starter Motor
Join Date: Jun 2007
Posts: 17
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Quote:
Never had the opportunity to hear that as the Boss V8 is always out of ear-shot because it is so far behind me. Might let one keep up with me next time, put the window down and have a listen. |
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#71 | ||
1999 Ford Fairmont Ghia
Join Date: Mar 2007
Location: NSW
Posts: 1,162
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Cmon fivepoint seven you really came all this way to start some .
Let me spell it his way: The 5.7 sounds like someone poured a bucket full of bolts into a coffee blender it's either got something to do with the odd firing order or the fact that it's breaking apart and ****ing oil everywhere. I'm willing to admit that Chev builds a good engine but they have a long way to go in aural stimulation and say what you want but Harley-Davidson sells bikes on sound and spend tens of millions of dollars on perfecting it. So cmon mate this is a OHC vs OHV debate not another tired Holden vs Ford one. |
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#72 | |||
VFII SS UTE
Join Date: Apr 2007
Location: Central Coast
Posts: 6,353
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Quote:
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I don't often hear the sound of a screaming LSX. But when I do, So do the neighbours.. GO SOUTHS
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#73 | |||
FF.Com.Au Hardcore
Join Date: Mar 2005
Location: Newcastle
Posts: 3,246
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Quote:
So would probably be a $30k crate motor to a non GM Aussie buyer.
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BA2 XR8 Rapid M6 Ute - Lid - Tint -18s 226.8rwkW@178kmh/537Nm@140kmh 1/9/2013 14.2@163kmh 23/10/2013 Boss349 built. Not yet run. Waiting on a shell. Retrotech thread http://www.fordforums.com.au/showthr...1363569&page=6 |
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#74 | |||
FORMERLY TX3DUDE
Join Date: Jan 2005
Location: "THE GONG"
Posts: 2,487
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This argument wont be settled in one post but i will say this. One of the engines mentioned is an engineering masterpiece that is admired by car fans and engineers alike - its also won numerous awards for its design and innovation. The other is a brutish and unrefined yet extremely tractable engine with all the sophistication of a rock with moss growing on it. If youve ever been in an M5 V10 you would imediately understand why the Chev although powerfull and simple just isnt in the same class. refinement, torque delivery and response have to be taken into account. outright numbers dont tell the whole story.
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#75 | |||
Regular Member
Join Date: Mar 2007
Location: Mandurah W.A.
Posts: 305
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Quote:
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Drive it like you stole it. ![]() FPVTICKFORDCLUBWA New FG XR6T ZF |
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#76 | |||
FF.Com.Au Hardcore
Join Date: Oct 2005
Posts: 3,412
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#77 | |||
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Join Date: Dec 2006
Posts: 1,046
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#78 | |||
FF.Com.Au Hardcore
Join Date: Jul 2005
Location: Newcastle, NSW
Posts: 3,926
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Quote:
No one cares, because I do agree the BOSS sounds way better than the LS* motors, but they can sound pretty cool, with the right exhaust I guess. The Aussie 5L is better for sound though. |
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#79 | ||||
Clevo Mafia Inc.
![]() Join Date: Dec 2004
Location: Melbourne
Posts: 10,496
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Quote:
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Looking for a longer holiday ? I thought you may have learned from the first. |
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#80 | ||
FF.Com.Au Hardcore
Join Date: Jul 2005
Posts: 1,119
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My favourite in local cars (fuel injected anyway) is the old Holden 8 followed by the Boss then Windsor then LS1 last.
Dont think Ferarri want to use a pushrod and they have money to use whatever they like but I suppose some Holden people here know better. |
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#81 | |||
FF.Com.Au Hardcore
Join Date: Feb 2005
Location: Melb north
Posts: 12,025
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#82 | |||
Non-Regular Member
Join Date: Oct 2006
Posts: 1,040
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Quote:
"5.14.5 Camshafts must be manufactured from an iron based alloy. Each camshaft and lobes must be machined from a single piece of material. No welding is allowed between the front and rear bearing journals." Yes they are Pneumatic but they have camshafts. 2/ I never said anything about the age of the design. GTS_300_Coupe: So a Pushrod v8 supercard makes 200hp less with over double the capacity? Not ever close mate. |
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#83 | ||||
FF.Com.Au Hardcore
Join Date: Dec 2004
Location: Canberra Region
Posts: 8,943
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Quote:
![]() http://www.americanlemans.com/News/Article.aspx?ID=2724 Quote:
__________________
2016 FGX XR8 Sprint, 6speed manual, Kinetic Blue #170 2004 BA wagon RTV project. 1998 EL XR8, Auto, Hot Chilli Red 1993 ED XR6, 5speed, Polynesian Green. 1 of 329. Retired 1968 XT Falcon 500 wagon, 3 on the tree, 3.6L. Patina project. |
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#84 | ||
Banned
Join Date: May 2007
Posts: 389
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bmw wins holden loses NEXT.
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#85 | |||
FF.Com.Au Hardcore
Join Date: Dec 2004
Location: Canberra Region
Posts: 8,943
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Quote:
As for tractability and torque delivery, what other mass produced engine can be started from 5th gear and accelerate all the way to redline doing 300kmh? If thats not tractability I dont know what is ![]() Only an electric motor is going to better that. http://www.youtube.com/watch?v=-Lexv73YTu4
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2016 FGX XR8 Sprint, 6speed manual, Kinetic Blue #170 2004 BA wagon RTV project. 1998 EL XR8, Auto, Hot Chilli Red 1993 ED XR6, 5speed, Polynesian Green. 1 of 329. Retired 1968 XT Falcon 500 wagon, 3 on the tree, 3.6L. Patina project. |
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#86 | |||
FF.Com.Au Hardcore
Join Date: Dec 2005
Location: Brisbane
Posts: 549
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Quote:
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BA 03XR6T, 968's, SS CAI, PWR Cooler,Nizpro valve springs, BMC,Typhoon 18's, Brembos, 3 1/2' cat back Future mods Blisten shocks and King springs.391rwhp |
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#87 | |||
Regular Member
Join Date: Jan 2006
Posts: 89
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#88 | ||
Regular Member
Join Date: Sep 2005
Posts: 93
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http://www.m5board.com/vbulletin/showthread.php?t=81295
awesome forum if you like your m series cars,quite interesting comments regarding the zo6 from m5 and m6 owners,and the pictures are to die for(56k warning)and watch the vid at the top of page ![]() |
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#89 | |||
FF.Com.Au Hardcore
Join Date: Mar 2005
Location: Vic/NSW
Posts: 2,687
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Quote:
Cosworth XB, 3500cc 465+kW/236Nm 117kg RST V8, 2400cc 300kW/140Nm 74kg |
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#90 | ||
Weezland
Join Date: Aug 2005
Location: Sydney,workshop mod
Posts: 7,216
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A couple more since were on racing engines.
Yates Ford or chev 2.2 nascar,both pushrod V8's 358ci @ over 800hp To add Im at pretty sure pushrod is the newer technology.. Last edited by nugget378; 08-07-2007 at 05:29 PM. |
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