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Re: Easiest and or best way to run a 9.5et 70' Roadrunner
[Re: crankn101]
#2536088
08/14/18 11:44 AM
08/14/18 11:44 AM
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Joined: Jan 2003
Posts: 14,499
So. Burlington, Vt.
fast68plymouth
I Live Here
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I Live Here
Joined: Jan 2003
Posts: 14,499
So. Burlington, Vt.
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I'd run a Late Hemi with a turbo. Stock block and forged crank will hold 1000 HP w/o issue. Stock heads are very good. aftermarket piston/rod for boost. Use a knock off Drag Pac intake. 20 psi should get it easy. That’s the future right there.
68 Satellite, 383 with stock 906’s, 3550lbs, 11.18@123
Dealer for Comp Cams/Indy Heads
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Re: Easiest and or best way to run a 9.5et 70' Roadrunner
[Re: crankn101]
#2536091
08/14/18 11:45 AM
08/14/18 11:45 AM
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Joined: Oct 2007
Posts: 4,206
New York
polyspheric
master
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master
Joined: Oct 2007
Posts: 4,206
New York
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these original blocks can hold more power if the engine is "boosted", is that true
Yes, the cylinder pressure "spike" (BMEP) is lower and more widely distributed than equivalent HP NA.
Many successful turbo race cars don't use fabricated tube headers, but simply use modified stock cast-iron manifolds upside down, reversed front to rear etc. Google around for 1968-70 B/RB manifold choices on turbos including truck, C body etc.
Boffin Emeritus
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Re: Easiest and or best way to run a 9.5et 70' Roadrunner
[Re: dvw]
#2536114
08/14/18 12:30 PM
08/14/18 12:30 PM
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Joined: Dec 2013
Posts: 4,680
Wichita
GY3
master
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master
Joined: Dec 2013
Posts: 4,680
Wichita
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[quote=Clanton][quote=BradH]What's the budget for this effort? 12 to 15,000$ I would think I dont really have a budget, I was hoping for 10-12K for the engine or so plus whatever power adder I go with. For the record, building a 572 or an after market block was never in any of my plans. I'd run a Late Hemi with a turbo. Stock block and forged crank will hold 1000 HP w/o issue. Stock heads are very good. aftermarket piston/rod for boost. Use a knock off Drag Pac intake. 20 psi should get it easy. Doug This is friends Dart. Since the article he has had to make quite a few upgrades as he bent the Dana 60 and the bars holding it in the car! As I recall he's been 8.20's. It's a very mild setup and he drives it all over Wichita. I have another local friend that parts SRT-8 cars with the 6.1 and an early A-body 'Cuda with this engine and a turbo will be my next project.
'63 Dodge 330
11.19 @ 121 mph
Pump gas, n/a, through the mufflers on street tires with 3.54's. 3,600 lbs.
10.01 @ 133mph with a 250 shot of nitrous an a splash of race gas. 1.36 60 ft. 3,700 lbs.
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Re: Easiest and or best way to run a 9.5et 70' Roadrunner
[Re: furious70]
#2536440
08/14/18 09:55 PM
08/14/18 09:55 PM
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Joined: Jun 2003
Posts: 52,972
Romeo MI
MR_P_BODY
Master
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Master
Joined: Jun 2003
Posts: 52,972
Romeo MI
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If you want to run NA then you better get a LOT lighter than you are.. more than likely you better get lighter than you think 
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Re: Easiest and or best way to run a 9.5et 70' Roadrunner
[Re: GY3]
#2536468
08/14/18 10:31 PM
08/14/18 10:31 PM
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Joined: Aug 2018
Posts: 36
CO
crankn101
OP
member
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OP
member
Joined: Aug 2018
Posts: 36
CO
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I'd run a Late Hemi with a turbo. Stock block and forged crank will hold 1000 HP w/o issue. Stock heads are very good. aftermarket piston/rod for boost. Use a knock off Drag Pac intake. 20 psi should get it easy.
Doug
This is friends Dart. Since the article he has had to make quite a few upgrades as he bent the Dana 60 and the bars holding it in the car! As I recall he's been 8.20's. It's a very mild setup and he drives it all over Wichita. I have another local friend that parts SRT-8 cars with the 6.1 and an early A-body 'Cuda with this engine and a turbo will be my next project. [quote/] That thing is BAD!
Last edited by crankn101; 08/14/18 10:33 PM.
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Re: Easiest and or best way to run a 9.5et 70' Roadrunner
[Re: MR_P_BODY]
#2536470
08/14/18 10:34 PM
08/14/18 10:34 PM
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Joined: Aug 2018
Posts: 36
CO
crankn101
OP
member
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OP
member
Joined: Aug 2018
Posts: 36
CO
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If you want to run NA then you better get a LOT lighter than you are.. more than likely you better get lighter than you think Im running a power adder
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Re: Easiest and or best way to run a 9.5et 70' Roadrunner
[Re: dvw]
#2537287
08/16/18 05:30 PM
08/16/18 05:30 PM
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Joined: Jan 2003
Posts: 4,243
Canada
Kam*Kuda
master
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master
Joined: Jan 2003
Posts: 4,243
Canada
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I'd run a Late Hemi with a turbo. Stock block and forged crank will hold 1000 HP w/o issue. Stock heads are very good. aftermarket piston/rod for boost. Use a knock off Drag Pac intake. 20 psi should get it easy.
Doug
That's what I would do. Well that is what I would do if I did it again Here is mine on its first run 9.7 500 inch Procharger https://www.youtube.com/watch?v=jqMdxvWYyq0&ab_channel=RobKamstraI needed more injector as I ran it to a 100% duty cycle and the MAP at 100% Need to head back to see how it does
Last edited by Kam*Kuda; 08/16/18 05:32 PM.
1970 Barracuda Convertible
1968 Satellite Street Strip car
1654.5 Mustang
1955 Land Rover
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Re: Easiest and or best way to run a 9.5et 70' Roadrunner
[Re: Kam*Kuda]
#2537411
08/16/18 10:44 PM
08/16/18 10:44 PM
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Joined: Aug 2018
Posts: 36
CO
crankn101
OP
member
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OP
member
Joined: Aug 2018
Posts: 36
CO
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I'd run a Late Hemi with a turbo. Stock block and forged crank will hold 1000 HP w/o issue. Stock heads are very good. aftermarket piston/rod for boost. Use a knock off Drag Pac intake. 20 psi should get it easy.
Doug
That's what I would do. Well that is what I would do if I did it again Here is mine on its first run 9.7 500 inch Procharger https://www.youtube.com/watch?v=jqMdxvWYyq0&ab_channel=RobKamstraI needed more injector as I ran it to a 100% duty cycle and the MAP at 100% Need to head back to see how it does Sweet car! Thats almost exactly what Im looking to build, there is hope after all.
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