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The Pub For General Automotive Related Talk |
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02-11-2021, 08:10 PM | #31 | |||
Mad Scientist!
Join Date: Jan 2005
Location: Newcastle
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The corvette is pure race designed and built. A number of people also struggle to believe the top end will last as long as GM has stated and wonder the costs involved in replacement. Time will tell... |
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02-11-2021, 09:15 PM | #32 | |||
FF.Com.Au Hardcore
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Quote:
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03-11-2021, 08:00 AM | #33 | |||
FF.Com.Au Hardcore
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Quote:
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03-11-2021, 09:06 AM | #34 | |||
Banned
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Location: Perth Australia
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Quote:
But my last word will go to British designer Edward Turner, a motorbike engine designer, who in 1928 designed a 4 cylinder engine and called it the Square Four, he tried to sell the idea to manufacturers and I know BSA knocked him back, as did a few others. But a company by the name of Ariel took him on, hence the Ariel Square 4, so instead of inline, he put the cylinders in a square configuration, he went on to design the fabulous Triumph Speed Twin engine. Stopped manufacture in 1959, but in 1971 Austin built a car which used the Ariel Square Four engine in the Austin Healey 100/4 and lasted until 1977. Just a little bit of trivia! |
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03-11-2021, 01:28 PM | #35 | |||
Peter Car
Join Date: Dec 2004
Location: geelong
Posts: 23,145
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Quote:
Yes that's right, the 760 hp GT500 engine. GM's supercharged V8 only made 668 in it's highest rated form. That's nearly 100hp extra. From an engine 1 litre smaller. All kind of irrelevant now though, as you mentioned. |
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03-11-2021, 04:27 PM | #36 | |||
FF.Com.Au Hardcore
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The point I was making LS/ Coyote comparison was when they get a motor from the wreckers and have a set amount to spend on each and see which one makes the most power ....the coyote comes up short because of its inability to be stroked to 7 litres ........back to the square/oversquare thing got it ? ....not who makes the most powerful factory motor ?
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04-11-2021, 10:34 AM | #37 | |||
Peter Car
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Location: geelong
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Quote:
Yes it has a cube advantage, but with boost the Coyote has the advantage with it's huge flowing heads. |
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04-11-2021, 11:48 AM | #38 | ||
Banned
Join Date: Nov 2016
Location: Perth Australia
Posts: 3,618
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There is no substitute for Cubic Inches
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04-11-2021, 12:32 PM | #39 | ||
FF.Com.Au Hardcore
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I'm not knocking the coyote ....up to about 6-6.5 litres the coyote is pretty impressive all I'm saying is as Billy's stated there's no replacement for displacement no 5l is going to compare against 7l ....with the small bore size it's what limits the coyote it's just physics ....ford engineered its limtations
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04-11-2021, 01:05 PM | #40 | ||
Peter Car
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04-11-2021, 01:36 PM | #41 | |||
Donating Member
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Posts: 5,408
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Quote:
https://www.youtube.com/watch?v=Aiih0XjcRFw
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04-11-2021, 02:01 PM | #42 | |||
FF.Com.Au Hardcore
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Quote:
That's all I'm saying ford pidgeon holed the coyote I'm sure if they used fords 7.3l crate engine it would be a different story Check out engine labs coyote / Ls shoot out .....I'm sure you have
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Fgx xr8 winter white manual, gone but not forgotten 22 mitsubishi outlander XLS PHEV Au11 fairmont Ghia ported gt40p heads ,comp springs and locks Xe 264 cam,custom intake,pacemaker tri y headers 524nm torque 19 Triton GSXR manual |
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04-11-2021, 02:10 PM | #43 | |||
Donating Member
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Quote:
Unlike the 5.4 Modulars, piston velocity isn't a big issue with the Coyote.
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My Ford Family... 2014 GT-F, Manual, Kinetic with Black Stripes 2021 Mustang Mach 1, Manual, Velocity Blue Last edited by kypez; 04-11-2021 at 02:24 PM. |
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04-11-2021, 02:38 PM | #44 | |||
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Quote:
Imagine how easy it would have been to make a GTHO forget about the $ restriction and chassis imagine a 6l or 7l coyote it would be mighty impressive or in a mustang like the old days You missed a trick ford
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04-11-2021, 04:46 PM | #45 | ||
FF.Com.Au Hardcore
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Really ? The latest 2017 VFII SSV 6.2L made 303 KW
the 2016 FM 5.0L Mustang made 306 KW the 2018 FN 5.0L Mustang GT made 339 KW (actually 315 RwKw on 95Ron = 371Kw assuming a conservative 15% driveline loss) Its about intelligent engineering efficiency (DOHC, 4 Valve. Coil on Plug, VVT etc) not just crude push-rod 2 valve capacity. https://www.whichcar.com.au/news/201...g-dyno-testing
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Current: 2021 FN Mustang GT 10 Sp, Velocity Blue Previous: 2017 FM Mustang GT Last edited by stevefreestyle; 04-11-2021 at 05:01 PM. |
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04-11-2021, 05:39 PM | #46 | |||
VFII SS UTE
Join Date: Apr 2007
Location: Central Coast
Posts: 6,353
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Quote:
very smooth/gradual lift..
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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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04-11-2021, 05:41 PM | #47 | |||
Donating Member
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Quote:
Sent from my Pixel 5 using Tapatalk
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04-11-2021, 05:58 PM | #48 | |||
Donating Member
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Posts: 12,878
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Quote:
When you look back to the Windsor, it had the ability to range from a 88.9 bore up to a 101.6, stroke from 72.9 to 88.9, making it more versatile. Having said that, we are not comparing apples with apples in regards to the way Ford and GM go about making power in their V8's. GM use capacity to overcome the inherent limitation of the OHV design. Ford use freer flowing DOHC heads, and in some cases, forced induction to make power. I don't think you could argue about the effectiveness of either approach these days.
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04-11-2021, 06:14 PM | #49 | |||
Donating Member
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Quote:
Sent from my Pixel 5 using Tapatalk
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04-11-2021, 07:12 PM | #50 | ||
FF.Com.Au Hardcore
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Because they took approx 100lb of meat out of the main bearing bulk heads compared to the pre 70.s Mexican block's they were designed as a lightweight block and at factory 225hp were absolutely fine but really high revs or boost added everything' starts moving around they're an awesome little block just have limitations.....if you look at the motorsport block they use in the super cars you can see the true potential ford always seam to have a design flaw .....I guess that's what makes them so special
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Fgx xr8 winter white manual, gone but not forgotten 22 mitsubishi outlander XLS PHEV Au11 fairmont Ghia ported gt40p heads ,comp springs and locks Xe 264 cam,custom intake,pacemaker tri y headers 524nm torque 19 Triton GSXR manual |
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04-11-2021, 07:35 PM | #51 | ||
VFII SS UTE
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that is a modded cam, the lift is the same 0.551 just duration and Lobe Separation Angle 117~124 degree.
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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
Last edited by burnz; 04-11-2021 at 07:53 PM. |
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05-11-2021, 10:53 AM | #52 | ||
Peter Car
Join Date: Dec 2004
Location: geelong
Posts: 23,145
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Windsors didn't rev that hard in stock form because they had such ****y size heads on them. They are atrocious.
Get a good set of alloy heads and a decent cam and it's a whole new ball game. Mine rips between 3000-6500. It's only the stock block holding it back. I'd take it to 7k with a bigger cam if I wasn't concerned about splitting the block. One day i'll go a dart block and pull the string. |
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06-11-2021, 03:24 AM | #53 | |||
FF.Com.Au Hardcore
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A ford fan knocking pushrod engines when all their V8 fame has been based on V8 pushrod motors..... weord. |
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06-11-2021, 09:09 AM | #54 | |||
Banned
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Location: Perth Australia
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Quote:
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06-11-2021, 09:13 AM | #55 | ||
Banned
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Posts: 3,618
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Well was a good thread that's turned to sh.t, always happens, it's happened before and I ain't getting caught up in it again, too many complicated " experts "........
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06-11-2021, 03:51 PM | #56 | ||
Mustang GT mmmmmm......
Join Date: Jan 2006
Location: Mornington Peninsula
Posts: 1,459
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Love the new Corvette and can see the heritage of the model shine through. With the new quad cam engine, it will take the car to another level.
Now let’s get USA pricing in Aus.
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I have become a Mustanger. |
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06-11-2021, 04:28 PM | #57 | |||
FF.Com.Au Hardcore
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Quote:
Contrary to your absurd and ignorant agenda, and your facile infantile abuse, what I wrote was unequivocally 100% correct and factual. An intelligent person would simply correct any errors of Fact, which you are obviously incapable of doing. For your benefit, I could alert you to another FACT that the 6.2L Commondoor is 24% larger than the 5.0 Mustang, which even with a conservative rating of 339Kw is 36Kw or 11.9% more powerful than the massive 6.2L, despite being 1.2L smaller.
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06-11-2021, 04:49 PM | #58 | |||
Thailand Specials
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06-11-2021, 05:32 PM | #59 | |||||||
FF.Com.Au Hardcore
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Quote:
Quote:
4.6 DOHC enabled development of 5.0 Cammer crate engine before development of the 5.0 Coyote, a low cost economic development that cured many of MOD’s problems but maybe created a few new ones that took time to fix. Cammer was used as starting point for Voodoo 5.2, it’s flat plane crank required some block stiffening though. Quote:
V10 development went from being an easy 90 degree odd fire engine to a crack prone drama requiring even fire, splayed crank journals and a balancer shaft that sat on top of the left head which meant no cam phasers. A friggin nightmare that worked out to be a great engine that was brought back from the dead to carry F650 and F750 gasoline sales before the 7.3. 6.2 Boss arrived with excitement that was short lived when F150 buyer support switched to the 3.5 Ecoboost V6, relegating the 6.2 to Super Duty but failed the Medium Duty test cycle. Execs pushed for Boss to be a pushrod engine but engineers got their way with SOHC. Had Ford built it as a 5.8 & 7.0 pushrod for Super Duty and Medium Duty, a lot of mistakes would have been cured years ago. Quote:
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Which brings me to the 5.5, good luck GM, people will certainly buy it, I think the moment has passed for many but honestly people buying it won’t give a crap what non buyers think. |
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06-11-2021, 05:58 PM | #60 | ||
FF.Com.Au Hardcore
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Yep ....if only ,you think they might have learnt from the success of the cammer but I spose at the time with the price of fuel and everyone going smaller motors and more being boosted it made sense ....but with all the tech introduced variable cam timing , direct injection etc they should have adapted to compete with the others with an over square more flexible motor .....seams really odd they didnt normally the bean counters latch onto the cost savings rather than design complete new motors like they did .....be interesting to know the politics behind it
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