Re: 800hp with W5s ?????
[Re: Quicktree]
#911355
01/23/11 11:40 AM
01/23/11 11:40 AM
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emarine01
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Re: 800hp with W5s ?????
[Re: Quicktree]
#911356
01/23/11 11:41 AM
01/23/11 11:41 AM
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Joined: Jun 2003
Posts: 52,972 Romeo MI
MR_P_BODY
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Romeo MI
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I dont really think they can make that much on a normal dyno... I would think lower 700s... at least I know my W-5s will NEVER get there
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Re: 800hp with W5s ?????
[Re: MR_P_BODY]
#911357
01/23/11 11:43 AM
01/23/11 11:43 AM
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Joined: Jan 2003
Posts: 32,394
Quicktree
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Quote:
I dont really think they can make that much on a normal dyno... I would think lower 700s... at least I know my W-5s will NEVER get there
I doubt they could reach 700 but I guess it's possible if they spin it to 8000000
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Re: 800hp with W5s ?????
[Re: Quicktree]
#911360
01/23/11 11:54 AM
01/23/11 11:54 AM
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Joined: Jan 2003
Posts: 8,547 State College, PA
RyanJ
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Quote:
is it even possible to make 800hp with W5s?? I myself don't think so even if they have the Dick Landy name on them. really is it possible
With couple quick clicks of the mouse I can make the dyno say any # someone's heart desires.... so sure it's "possible"
On an accurate dyno with correct calibration & weather readings? Not IMO. Not enough intake valve curtain area IMO to support those kind of #'s. Maybe... just maybe with an all out effort welded up set with 2.125" valve (which requires replacing the seats etc) Somewhere around 390-405 inch range... Sheetmetal intake, 15:1+, etc. I could probably see coming into the mid high 7's. I think with enough $/time/effort I could do one in the 770's on the dyno I use. But it would be a $25K piece, no ones every going to spend that kind of coin to do something like that, really makes no sense to. You'd have at least $6000-$7000 in the heads easy, without using ebay Titanium valves etc. If someone came to me today & even was willing to write me a check for $25K on spot & told me I had 6 months to build it, I'd turn them down... I've got 23 other motors in shop @ moment getting worked on... Don't have time to put in effort to make something like that happen.
But with a pretty "normal" port window, 2.055"/2.08" valve Rectangle port W5? Not gonna happen. A low 700 HP W5 motor is a stout piece. The majority out there are in the 620-680 range, depending on CID, cam, intake, compression, fuel etc. But the heads themselves for most part are all very similar, no matter who ported them. Only so much material there for anyone to work with in a standard head casting.
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Re: 800hp with W5s ?????
[Re: emarine01]
#911361
01/23/11 11:55 AM
01/23/11 11:55 AM
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Joined: Jan 2003
Posts: 8,547 State College, PA
RyanJ
moparts member
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moparts member
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Quote:
I think 700s is more than possible but I have never done it, I don't know what the max cfm that has been achieved with w5s, The post with the W5s in question say 345 cfm so if 2 hp per cfm rule
I must have missed that post.
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Re: 800hp with W5s ?????
[Re: Quicktree]
#911362
01/23/11 11:59 AM
01/23/11 11:59 AM
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Joined: Feb 2009
Posts: 1,532 off the grid
340B5
pro stock
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pro stock
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Someone's been on Racingjunk.
Yeah, it's got a smallblock.
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Re: 800hp with W5s ?????
[Re: 340B5]
#911363
01/23/11 12:04 PM
01/23/11 12:04 PM
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Joined: Jan 2003
Posts: 32,394
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Quote:
Someone's been on Racingjunk.
no actually right here on moparts lookin the adds
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Re: 800hp with W5s ?????
[Re: fishy340]
#911366
01/23/11 12:18 PM
01/23/11 12:18 PM
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Joined: Jan 2003
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Quote:
i'd look at barry..9.0's at 2700lb thats damn right there w W5 AND megadart
who's barry and still not 800hp.not saying thats not fast.
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Re: 800hp with W5s ?????
[Re: S/ST 3040]
#911371
01/23/11 12:57 PM
01/23/11 12:57 PM
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Joined: Jun 2010
Posts: 3,112 LONG ISLAND
fishy340
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Quote:
I doubt you'll see 800 HP on any calibrated dyno from a W-5 engine. It's hard to max out a set of W-5 castings before you ruin them.
700 "real" horsepower should be doable with some work. 600-640 seems to be a typical race effort. https://board.moparts.org/ubbthreads/show...t=1#Post3356582
thats my friends dyno sheet,car is awesome,but dyno might just might be on the giggly side
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Re: 800hp with W5s ?????
[Re: S/ST 3040]
#911372
01/23/11 12:59 PM
01/23/11 12:59 PM
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Joined: Jan 2003
Posts: 32,394
Quicktree
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Quote:
I doubt you'll see 800 HP on any calibrated dyno from a W-5 engine. It's hard to max out a set of W-5 castings before you ruin them.
700 "real" horsepower should be doable with some work. 600-640 seems to be a typical race effort. https://board.moparts.org/ubbthreads/show...t=1#Post3356582
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