407ci W8 build getting close to dyno
#3094552
11/16/22 01:33 AM
11/16/22 01:33 AM
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Joined: May 2019
Posts: 174 W. Pa
usp4u
OP
member
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OP
member
Joined: May 2019
Posts: 174
W. Pa
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R3 9.0 siamese 4.185 x 3.700 Diamond Piston 12.4CR Bryant 3.70 crank Early Brett W8s 2.19 Ti 1.60 Inconel Stock cam bore Predator 266/274 @ .050 .728" Jesel Truck series rockers Caliies Ultra Rods 6.000 598 intake-minor clean up and port match Bob Book 4150
Waiting on Schoenfeld 2" dyno headers to show up next week
Plan was to hit it with a 250-275 wet shot
I know that intake is gonna hurt me. I have one of Brett's big 420.2's but it don't want to cut it to fit until I get this thing running. And I don't own a 4500 anyhow.
Should be on a Stuska within a month. Wanna make a guess?
My hope is 700 @ 8000
If the power curve is gaining, will pull higher to nose-over
Last edited by usp4u; 11/16/22 01:43 AM.
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Re: 407ci W8 build getting close to dyno
[Re: topside]
#3094625
11/16/22 12:16 PM
11/16/22 12:16 PM
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Joined: Feb 2005
Posts: 20,272 PA.
pittsburghracer
"Little"John
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"Little"John
Joined: Feb 2005
Posts: 20,272
PA.
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Man I’m envious of some of these small block builds. Lots of pretty going on there. Good luck with it.
1970 Duster Edelbrock headed 408 5.984@112.52 422 Indy headed small block 5.982@112.56 mph 9.38@138.67
Livin and lovin life one day at a time
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Re: 407ci W8 build getting close to dyno
[Re: 340Cuda]
#3094633
11/16/22 12:46 PM
11/16/22 12:46 PM
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Joined: Aug 2003
Posts: 5,025 new jersey usa
11secdart
master
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master
Joined: Aug 2003
Posts: 5,025
new jersey usa
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Awesome ...love those big small blocks !!
Last edited by 11secdart; 11/16/22 12:46 PM.
68 Dart 410 / 904 92 D150 original owner 21 Ram 1500 Quad Cab, Big Horn , Hemi ,4x4 23 Audi Q5 16 Honda HRV
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Re: 407ci W8 build getting close to dyno
[Re: usp4u]
#3095884
11/20/22 09:42 PM
11/20/22 09:42 PM
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Joined: May 2019
Posts: 174 W. Pa
usp4u
OP
member
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OP
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Joined: May 2019
Posts: 174
W. Pa
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Getting closer
2 x 3.5
Last edited by usp4u; 11/20/22 09:43 PM.
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Re: 407ci W8 build getting close to dyno
[Re: usp4u]
#3095979
11/21/22 11:36 AM
11/21/22 11:36 AM
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Joined: Jan 2003
Posts: 14,531 So. Burlington, Vt.
fast68plymouth
I Live Here
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I Live Here
Joined: Jan 2003
Posts: 14,531
So. Burlington, Vt.
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I don’t see how that thing wouldn’t crush 700hp.
68 Satellite, 383 with stock 906’s, 3550lbs, 11.18@123 Dealer for Comp Cams/Indy Heads
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Re: 407ci W8 build getting close to dyno
[Re: HardcoreB]
#3096011
11/21/22 12:52 PM
11/21/22 12:52 PM
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Joined: May 2019
Posts: 174 W. Pa
usp4u
OP
member
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OP
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Joined: May 2019
Posts: 174
W. Pa
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Very nice motor! Thanks for sharing. What did Brett think it would make? I'm sure it'll make well over 700HP. Mid 700s These were heads that Brett had done a long time ago prior to me getting them. When he was at my house last year, he recognized them. This is my first W engine, so I'm trying to be conservative with my expectations.
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Re: 407ci W8 build getting close to dyno
[Re: usp4u]
#3096024
11/21/22 01:22 PM
11/21/22 01:22 PM
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Joined: Oct 2003
Posts: 11,702 W. Kentucky
justinp61
I Live Here
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I Live Here
Joined: Oct 2003
Posts: 11,702
W. Kentucky
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Very nice motor! Thanks for sharing. What did Brett think it would make? I'm sure it'll make well over 700HP. Mid 700sThese were heads that Brett had done a long time ago prior to me getting them. When he was at my house last year, he recognized them. This is my first W engine, so I'm trying to be conservative with my expectations. On motor right?
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Re: 407ci W8 build getting close to dyno
[Re: justinp61]
#3096059
11/21/22 02:50 PM
11/21/22 02:50 PM
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Joined: May 2019
Posts: 174 W. Pa
usp4u
OP
member
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OP
member
Joined: May 2019
Posts: 174
W. Pa
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Very nice motor! Thanks for sharing. What did Brett think it would make? I'm sure it'll make well over 700HP. Mid 700sThese were heads that Brett had done a long time ago prior to me getting them. When he was at my house last year, he recognized them. This is my first W engine, so I'm trying to be conservative with my expectations. On motor right? yes
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Re: 407ci W8 build getting close to dyno
[Re: usp4u]
#3096525
11/23/22 11:54 AM
11/23/22 11:54 AM
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Joined: Jul 2008
Posts: 1,534 bronx n.y
one bad fish
pro stock
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pro stock
Joined: Jul 2008
Posts: 1,534
bronx n.y
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First time taking a Sawzall to a new set of headers lol
who made the header
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Re: 407ci W8 build getting close to dyno
[Re: usp4u]
#3096539
11/23/22 12:38 PM
11/23/22 12:38 PM
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Joined: Oct 2003
Posts: 11,702 W. Kentucky
justinp61
I Live Here
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I Live Here
Joined: Oct 2003
Posts: 11,702
W. Kentucky
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First time taking a Sawzall to a new set of headers lol
That was the first thing I did to my Hedmans.
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Re: 407ci W8 build getting close to dyno
[Re: justinp61]
#3096547
11/23/22 01:02 PM
11/23/22 01:02 PM
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Joined: Feb 2005
Posts: 20,272 PA.
pittsburghracer
"Little"John
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"Little"John
Joined: Feb 2005
Posts: 20,272
PA.
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Cut off wheel on a grinder
1970 Duster Edelbrock headed 408 5.984@112.52 422 Indy headed small block 5.982@112.56 mph 9.38@138.67
Livin and lovin life one day at a time
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Re: 407ci W8 build getting close to dyno
[Re: one bad fish]
#3096558
11/23/22 01:52 PM
11/23/22 01:52 PM
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Joined: May 2019
Posts: 174 W. Pa
usp4u
OP
member
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OP
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Joined: May 2019
Posts: 174
W. Pa
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First time taking a Sawzall to a new set of headers lol
who made the header Schoenfeld These are just a set of sprint car headers to run on the dyno. I dont need them to be pretty. Update
Last edited by usp4u; 01/28/23 07:48 PM.
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