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nitrous, turbo, procharger or all motor? #1644293
07/08/14 11:14 PM
07/08/14 11:14 PM
Joined: Jun 2003
Posts: 2,412
Weatherford, Texas
RapidusMaximus Offline OP
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RapidusMaximus  Offline OP
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Weatherford, Texas
So I'm about to embark on a little street car project, it will be a 75 Duster, pump gas low deck stroker. Springs will be moved in, street slicks, auto, stage 6 ported heads, Bullet hyd roller, short block isn't built yet...should I spray it or pressurize it? I have heads, intake and cam already. What do the Moparts folks think? Would like it to be an easy 10 second street car. Maybe more?...


1968 Plymouth GTX
1974 Dodge P/U Long Bed Stepside 318
2019 Ram 2500 6.4, auto, 4WD
Re: nitrous, turbo, procharger or all motor? [Re: RapidusMaximus] #1644294
07/08/14 11:28 PM
07/08/14 11:28 PM
Joined: Nov 2003
Posts: 10,384
Upstate NY
Bigcube Offline
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IMO you could go 10's NA but will work for it with stage 6 heads/pump gas. Any power added will get you there much easier.


Jim

Re: nitrous, turbo, procharger or all motor? [Re: Bigcube] #1644295
07/08/14 11:38 PM
07/08/14 11:38 PM
Joined: Dec 2007
Posts: 12,588
Great Neck,LI,new york
hemi-itis Offline
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Great Neck,LI,new york
Boost is addicting


HEMI-ITIS has no cure.
My condition is fully BLOWN!!
Re: nitrous, turbo, procharger or all motor? [Re: RapidusMaximus] #1644296
07/08/14 11:40 PM
07/08/14 11:40 PM
Joined: Jul 2006
Posts: 4,319
Puyallup, WA
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StealthWedge67 Offline
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Puyallup, WA
Procharger IF: money is no object

Turbo IF: You have mad fab skills

Nitrous IF: You're cash challenged

All Motor IF: You don't plan on street racing



LemonWedge - Street heavy / Strip ready - 11.07 @ 120
Re: nitrous, turbo, procharger or all motor? [Re: StealthWedge67] #1644297
07/08/14 11:47 PM
07/08/14 11:47 PM
Joined: Jul 2006
Posts: 9,366
Lehigh Acres, Florida
rickstershemi Offline
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Lehigh Acres, Florida
Having had nitrous on the street....I would never do it again...PITA IMHO

Blower or Turbo....But I would prefer N/A

Rickster

Re: nitrous, turbo, procharger or all motor? [Re: StealthWedge67] #1644298
07/08/14 11:51 PM
07/08/14 11:51 PM
Joined: Jun 2003
Posts: 2,412
Weatherford, Texas
RapidusMaximus Offline OP
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RapidusMaximus  Offline OP
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Weatherford, Texas
Quote:

Procharger IF: money is no object

Turbo IF: You have mad fab skills

Nitrous IF: You're cash challenged

All Motor IF: You don't plan on street racing




great points...leaning towards spray or turbo...or all motor...of course no street racing....that's illegal....


1968 Plymouth GTX
1974 Dodge P/U Long Bed Stepside 318
2019 Ram 2500 6.4, auto, 4WD
Re: nitrous, turbo, procharger or all motor? [Re: rickstershemi] #1644299
07/08/14 11:59 PM
07/08/14 11:59 PM
Joined: Jun 2003
Posts: 2,412
Weatherford, Texas
RapidusMaximus Offline OP
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Weatherford, Texas
Quote:

Having had nitrous on the street....I would never do it again...PITA IMHO

Blower or Turbo....But I would prefer N/A

Rickster



I've never run n20 why is it a pita on the street?


1968 Plymouth GTX
1974 Dodge P/U Long Bed Stepside 318
2019 Ram 2500 6.4, auto, 4WD
Re: nitrous, turbo, procharger or all motor? [Re: RapidusMaximus] #1644300
07/09/14 12:41 AM
07/09/14 12:41 AM
Joined: Jun 2003
Posts: 52,972
Romeo MI
MR_P_BODY Offline
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My first question would be.. what will the total car
weigh... if its 3000# 600hp will do it.. but if its
3600# you need a few more ponies... N/A will cover it..
but if you want some extra fun then any of the power
boosters... spray is the cheapest, but boosted is always
cool... all it is is....... MONEY

Re: nitrous, turbo, procharger or all motor? [Re: MR_P_BODY] #1644301
07/09/14 01:00 AM
07/09/14 01:00 AM
Joined: Nov 2009
Posts: 3,082
St. Paul , Mn.
tubtar Offline
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You have the cam and aren't sure how the motor will be done ?
I'd think that the cam choice should steer you in a specific direction here.
A cam that is optimized for N/A would not be my first choice for either boost or spray and vice versa.
The final answer still begs another question.........if you keep your wallet in your right hip pocket and don't list to the left when you sit down , I'm thinking N/A might be a nice choice.
Or a conservative spray set up.
To my way of thinking , it takes deep pockets to get a force fed motor running and deep pockets to keep a well done nitrous motor running.
Deeper than N/A anyway.

Re: nitrous, turbo, procharger or all motor? [Re: tubtar] #1644302
07/09/14 01:22 AM
07/09/14 01:22 AM
Joined: Jan 2003
Posts: 27,421
Balt. Md
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383man Offline
Too Many Posts
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Posts: 27,421
Balt. Md
If your just looking for 10's then that will do it easy on all motor. If you want to get serious fast and run easy 9's then hit it with a 250 shot. Thats what I would do if I wanted a power added that way you run the motor at the track and run mid 10's. You can fool everyone and with the car and when you hit the shot mid 9's could be had. Just an idea. Ron

Re: nitrous, turbo, procharger or all motor? [Re: 383man] #1644303
07/09/14 07:08 AM
07/09/14 07:08 AM
Joined: Jun 2003
Posts: 2,412
Weatherford, Texas
RapidusMaximus Offline OP
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Weatherford, Texas
Good input, thanks. Car weight will be 75 A body with glass hood, bumpers and light weight bumper mounts, all factory 5 mph bumpers and related shocks will be removed, crash bars in doors will be removed, car is a non air, flip out back window version, other than that it will be a street legal bench seat a body.
Yes, I already had the cam and I know that's backwards but its brand new, the springs are already on the heads, I've got over a grand in it so by danged I'm building around it, its a Bullet hyd roller designed for a big inch n/a stroker, don't have the card with me but its approx. 600 lift.
Nice approach 383 man...may have to pick your brain some more.


1968 Plymouth GTX
1974 Dodge P/U Long Bed Stepside 318
2019 Ram 2500 6.4, auto, 4WD
Re: nitrous, turbo, procharger or all motor? [Re: RapidusMaximus] #1644304
07/09/14 10:24 AM
07/09/14 10:24 AM
Joined: Jan 2003
Posts: 13,375
Marion, South Carolina [><]
an8sec70cuda Offline
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Marion, South Carolina [><]
All motor will do it easily. 600 hp in that car will run mid 10s all day...and 600 hp is easily done w/ a streetable stroked BB on pump gas.


CHIP
'70 hemicuda, 575" Hemi, 727, Dana 60
'69 road runner, 440-6, 18 spline 4 speed, Dana 60
'71 Demon, 340, low gear 904, 8.75
'73 Chrysler New Yorker, 440, 727, 8.75
'90 Chevy 454SS Silverado, 476" BBC, TH400, 14 bolt
'06 GMC 2500HD LBZ Duramax
Re: nitrous, turbo, procharger or all motor? [Re: RapidusMaximus] #1644305
07/09/14 10:46 AM
07/09/14 10:46 AM
Joined: Jan 2003
Posts: 24,562
Brookeville, Md
Mr.Yuck Offline
Not enough dumb comments...yet
Mr.Yuck  Offline
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Posts: 24,562
Brookeville, Md
You should be able to run 10's pretty easy w/o any...however boost is by far the best way to go and possibly cheaper in the long run. You could build a 10 second motor add a few lbs of boost and have a 9 second car easy. N2O is the easiest, S/C vs turbos as mentioned S/C has cost up fornt but are pretty simple to install. A turbo requires some extensive fab work. FWIW I picked up a NOS kit for my 6-pack, and it willl be going on soon. It will have me way down in the 10's I'd guess, I'm running a stock stroke 440-6 w/ ported Stage VI heads and a small solid roller...


[IMG]http://i66.tinypic.com/pui5j.jpg[/IMG]
Coming soon!!!!
Re: nitrous, turbo, procharger or all motor? [Re: Mr.Yuck] #1644306
07/09/14 11:50 AM
07/09/14 11:50 AM
Joined: Feb 2003
Posts: 4,953
Houston, Texas
TheOtherDodge Offline
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Houston, Texas
Need to know more about your goals...

Do you want a big, loud thumper that sounds intimidating? If so, motor only, but prepared to lose some driveability and have some maintenance.

Do you want med sound with that whine sound? Supercharged, but you will still have some maintenance.

Do you want quiet and unassuming? Turbo. And very little maintenance because you can run a small cam, not a lot of gear and converter and the turbo will eat a lot of the exh sound.


Re: nitrous, turbo, procharger or all motor? [Re: TheOtherDodge] #1644307
07/09/14 12:04 PM
07/09/14 12:04 PM
Joined: Jun 2014
Posts: 5,183
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Porter67 Offline
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A multi staged, multi carbed, dedicated nitrous motor is not the cheap even on a street car. And can be easy when all is setup.

A power adder is a power adder and to run on the street in some places when prochargers (mustangs) are common so its just an equalizer.

And we all know the HP cars of today have superchargers, so again its just a good equalizer.

Re: nitrous, turbo, procharger or all motor? [Re: RapidusMaximus] #1644308
07/09/14 02:34 PM
07/09/14 02:34 PM
Joined: Oct 2007
Posts: 4,209
New York
polyspheric Offline
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New York
I know that's backwards
That's right - get rid of it.

Turbo is nice, but the install is a nightmare, and the underhood temperature is painful. IMHO every part of the exhaust has to be coated and shielded. If you use a header you'll replace it every few years.
Upside: the downstream exhaust is much cheaper.

These are ALL cheaper than NA to get the same power, but it's something else as well: a way to avoid that engine-killing RPM.


Boffin Emeritus
Re: nitrous, turbo, procharger or all motor? [Re: StealthWedge67] #1644309
07/09/14 02:38 PM
07/09/14 02:38 PM
Joined: Jul 2004
Posts: 19,318
State of confusion
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Thumperdart Offline
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State of confusion
Quote:

Procharger IF: money is no object

Turbo IF: You have mad fab skills

Nitrous IF: You're cash challenged

All Motor IF: You don't plan on street racing







Hey now, I beat two of the above on the street n/a.........


72 Dart 470 n/a BB stroker street car `THUMPER`...Check me out on FB Dominic Thumper for videos and lots of carb pics......760-900-3895.....
Re: nitrous, turbo, procharger or all motor? [Re: Thumperdart] #1644310
07/09/14 03:13 PM
07/09/14 03:13 PM
Joined: Mar 2008
Posts: 860
lancaster,california
johnnycuda Online content
super stock
johnnycuda  Online Content
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Posts: 860
lancaster,california
Mine is N/A, has run 10.70's at 126 thru full length exhaust on pump gas, (admittedly I threw in a couple gallons of C-12 in the tank to insure no pinging as the carb was lean), car weighs 3800 with me in it, was on DOT tires and drive it quite a bit. I took it on 2 Car Craft Anti Tours, each being a 800 mile round trip..(I really want to do Drag Week one year) as well as many other cruises,short trips or just plain cruising it around. My cam is only .601/.608 lift and is a small solid roller, the convertor is actually pretty tight and would be quicker if it was looser.
I have been kinda planning to install a Dana with a bit less gear and may throw one stage on it for grins.


1970 'Cuda,Lime Light,499 Indy S/R's 10.70's @125,street driven ALOT!
1966 Barracuda 360,now a 5spd,Hemi Orange,Hot Rod Air,
New daily driver-2003 Ram 2500 Cummins 5.9
'69 Valiant 2-dr, sleeper!
New project---1938 Dodge truck, plan is a 360 with a A500, AC, Calvert rear susp., rack and pinion front with coils.
Re: nitrous, turbo, procharger or all motor? [Re: polyspheric] #1644311
07/09/14 03:32 PM
07/09/14 03:32 PM
Joined: Feb 2003
Posts: 4,953
Houston, Texas
TheOtherDodge Offline
master
TheOtherDodge  Offline
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Posts: 4,953
Houston, Texas
Quote:

I know that's backwards
That's right - get rid of it.

Turbo is nice, but the install is a nightmare, and the underhood temperature is painful. IMHO every part of the exhaust has to be coated and shielded. If you use a header you'll replace it every few years.
Upside: the downstream exhaust is much cheaper.

These are ALL cheaper than NA to get the same power, but it's something else as well: a way to avoid that engine-killing RPM.




Huh? I just flipped a set of stainless shorties, got a turbo blanket and wrapped the down pipe. Piping and heat are not an issue. And the headers look brand new, 2 years later.

Re: nitrous, turbo, procharger or all motor? [Re: RapidusMaximus] #1644312
07/09/14 04:33 PM
07/09/14 04:33 PM
Joined: Aug 2003
Posts: 43,228
Bend,OR USA
C
Cab_Burge Offline
I Win
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Posts: 43,228
Bend,OR USA
Make the motor either a 512 C.I., 4.250 stroke with a 4.375 bore, or a 518 C.I. 4.300 stroke same bore size as the 512. Shoot for 10.5 to 10.8 to 1 compression ratio for 91 octane pump swill and work on the rear suspension to make it hook anywhere and go have fun. My 612 HP 512 C.I. pump gas motor in my 3450 lb street Duster ran 10.69@124.+ MPH through the muffs first timeout That was with ported 906 iron heads, I swapped the heads to a set of CNC ported Eddy RPM and the car ran 10.49 at 127.+ MPH. That was on a set of 30.5x13x15 M/T ET Street bias plys tires The last time I raced it it had a set of Indy SR M.W. heads and intake and ran 9.993 at 134.+ MPH through the muffs on straight Oregon 91 octane non ethanol pump swill You can get the same results also


Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
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