Re: Trying to make dream come true
[Re: Thumperdart]
#1634924
06/20/14 02:02 AM
06/20/14 02:02 AM
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Joined: Jun 2007
Posts: 2,646 Plymouth Meeting, PA
bigtimeauto
Trophy Winner
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Trophy Winner
Joined: Jun 2007
Posts: 2,646
Plymouth Meeting, PA
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Quote:
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Big block will get you there easier, at less RPM and with less "exotic" parts. Using the 400 block you have some stroker options 451/470/499/512. A relatively basic build with just about any aluminum head shouldn't have a problem cracking into the 10's
It can of course be done with a small block as well, but might require a couple extras, Ported heads vs Non ported Big block heads for example.
If I was in your shoes, first thing I would do would be make the car run and drive again with the 340 you already have. Good Luck!
I was runnin solid 10.40`s w/a 470 and ported 906`s, solid cam and drove it everywhere. Easy to do and if I knew then what I know now, it would of been a lot faster. I`ll never own a small block again and torque is king IF you can hook it..........
you can fake torque with gear, give me HP thru RPM any day over those long stroke's.
BB, TT5,Procharged 3300lb Street Car 4.79/154
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Re: Trying to make dream come true
[Re: cgall]
#1634925
06/20/14 02:58 AM
06/20/14 02:58 AM
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Joined: Jan 2003
Posts: 27,421 Balt. Md
383man
Too Many Posts
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Too Many Posts
Joined: Jan 2003
Posts: 27,421
Balt. Md
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Quote:
Don't forget that if you want to run 10's you need aftermarket axles, trans blanket, sfi balancer, etc.
I would not modify such an original car that much. I would do the 360 build, caltracs and 9" slicks and keep the car above 11.50.
This is true as I use an SFI balancer and run a trans blanket but I do still have stock axles. Now I only race about twice a year but I do need to upgrade my axles. I am glad my car is an auto because if it was a stick I am sure I would have broken an axle by now. And as said you will need at least a 5 point rollbar to race at the track. You dont have to tub it or even move the springs if you dont want as you can run easy 10's on a 9" slick but you can fit bigger then 9" slicks in the stock Demon wheewell. Tires today work good as cars out there are running 9's on 9" tires. And if you decide on the smallblock stroker you can leave the 340 emblems on it. Myself I used a bigblock because my car is a B-body and I wanted to keep some max wedge look but if its cheaper for you to stay with the smallblock stroker you will have no problem getting in the 10's with the right combo. I am impressed with how strong some of the smallblock Mopar strokers run. So whichever you use big or smallblock you can build a nice 10 second Demon with the right well built and though out combo. Good luck and post pics as you build it as I really like Demons. Ron
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Re: Trying to make dream come true
[Re: Spode]
#1634927
06/20/14 01:48 PM
06/20/14 01:48 PM
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Joined: Jan 2003
Posts: 75,280 A gulag near you.
JohnRR
I Win
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I Win
Joined: Jan 2003
Posts: 75,280
A gulag near you.
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Quote:
I have owned my 1972 340 Demon since my senior year in high school that was 1979. 340 0.030 (original block) #matching
Original 72 340 Demons do not grow on trees , especially with their original number matching block. I would not put nitrous or a supercharger on that motor unless you don't care about the original block.
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Re: Trying to make dream come true
[Re: JohnRR]
#1634928
06/20/14 02:11 PM
06/20/14 02:11 PM
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Joined: Sep 2003
Posts: 2,008 Sweet Home Alabama
MRMOPAR622
top fuel
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top fuel
Joined: Sep 2003
Posts: 2,008
Sweet Home Alabama
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If a track will not let you run because of the roll cage then go to one that will let you run!Tomorrow (Sat.night) @ Lagrange Ga Drag Strip they are having there monthly No Bars Race(that means any kind of roll cage not even a 4-point allowed), No tube chassis(back half cars with no roll cage allowed),No wheelie bars anything else goes Heads-Up Class!I'll give you a Hint if you can't run 5.0 in the 1/8 mile or Faster you best not go.Also it will be Grudge Race night,the place will be packed.
If your Local wanna be Big NHRA track will not let you race,go to a non NHRA track(there are more of them)that will Welcome you to come Race!
Last edited by MRMOPAR622; 06/20/14 02:13 PM.
"To Be The Man'You Have Got To Beat The Man"
"T/D and Pro-Bracket Racer"
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Re: Trying to make dream come true
[Re: MRMOPAR622]
#1634929
06/20/14 02:20 PM
06/20/14 02:20 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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Quote:
If a track will not let you run because of the roll cage then go to one that will let you run!Tomorrow (Sat.night) @ Lagrange Ga Drag Strip they are having there monthly No Bars Race(that means any kind of roll cage not even a 4-point allowed), No tube chassis(back half cars with no roll cage allowed),No wheelie bars anything else goes Heads-Up Class!I'll give you a Hint if you can't run 5.0 in the 1/8 mile or Faster you best not go.Also it will be Grudge Race night,the place will be packed.
If your Local wanna be Big NHRA track will not let you race,go to a non NHRA track(there are more of them)that will Welcome you to come Race!
Even our no brand tracks here wont let you go much past the 11.50.. sure they might let you hit 11.20 but thats about it... they WILL ask you to slow down or leave... I know this for FACT.. when I've gone with my buddy he has been asked to leave or slow down on multiple occasions
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Re: Trying to make dream come true
[Re: JohnRR]
#1634930
06/20/14 03:18 PM
06/20/14 03:18 PM
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Joined: Dec 2009
Posts: 242 Upland, California
Spode
OP
enthusiast
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OP
enthusiast
Joined: Dec 2009
Posts: 242
Upland, California
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Quote:
Quote:
I have owned my 1972 340 Demon since my senior year in high school that was 1979. 340 0.030 (original block) #matching
Original 72 340 Demons do not grow on trees , especially with their original number matching block. I would not put nitrous or a supercharger on that motor unless you don't care about the original block.
Yes I understand this aspect of this car. I have had this car for so long and gone back and forth that when I have the money after my kids are grown and on their own.
Should I reurn it to stock. <-- dont plan on selling it
Make it look somewhat stock (interior, paint, keep my old centerlines) but with a hot 340/416. <-- improve it as it sits
Go part race car with roll bar gutted interior race seats big block no body mods. <---really what I want to do but my gut tells no
One reason I suggested a 360 stroker instead of my 340 was if i wanted it back original it could be done.
I guess im still not sure the direction.
I have also thought of finding a slant 6 or 318 demon and making it a racer with no worries. money permitting and wife
Im not a guy with extra cash laying around so whatever I do will be a one shot deal. The wife doesnt understand the car thing even though she has put up with a spot taken in the garage from the day we were married.
sidenote I wish I also kept the 1970 340 4-Speed Panther pink Duster and the 1971 340 Duster auto, special ordered very well optioned got both of these around 1983-4 ended up dumping them for school tution end my hopes of a profesional car collector
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Re: Trying to make dream come true
[Re: Spode]
#1634931
06/20/14 03:33 PM
06/20/14 03:33 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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JMO but with a 416 in your car its the same as a stock car.. big deal that it has a 4" crank... if you look at it it still has the number matching engine... I would also keep the interior in it and as stock as possible... with a 416 you can get into the 10s unless its some special tank(super heavy).. thats the cheapest way to do what you want and still keep the stock look about it
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Re: Trying to make dream come true
[Re: Spode]
#1634932
06/20/14 06:02 PM
06/20/14 06:02 PM
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Joined: Oct 2003
Posts: 7,506 Az
Crizila
master
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master
Joined: Oct 2003
Posts: 7,506
Az
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Quote:
Quote:
Quote:
I have owned my 1972 340 Demon since my senior year in high school that was 1979. 340 0.030 (original block) #matching
Original 72 340 Demons do not grow on trees , especially with their original number matching block. I would not put nitrous or a supercharger on that motor unless you don't care about the original block.
Yes I understand this aspect of this car. I have had this car for so long and gone back and forth that when I have the money after my kids are grown and on their own.
Should I reurn it to stock. <-- dont plan on selling it
Make it look somewhat stock (interior, paint, keep my old centerlines) but with a hot 340/416. <-- improve it as it sits
Go part race car with roll bar gutted interior race seats big block no body mods. <---really what I want to do but my gut tells no
One reason I suggested a 360 stroker instead of my 340 was if i wanted it back original it could be done.
I guess im still not sure the direction.
I have also thought of finding a slant 6 or 318 demon and making it a racer with no worries. money permitting and wife
Im not a guy with extra cash laying around so whatever I do will be a one shot deal. The wife doesnt understand the car thing even though she has put up with a spot taken in the garage from the day we were married.
sidenote I wish I also kept the 1970 340 4-Speed Panther pink Duster and the 1971 340 Duster auto, special ordered very well optioned got both of these around 1983-4 ended up dumping them for school tution end my hopes of a profesional car collector
IMO, slant 6 A body car ( they are still cheap ). Gut it, Stroked 360, Mild mods, and you will be there. For about 15K, you can tell all your friends you ran in the 10's. - or you could just lie - absolute cheapest way.
Fastest 300
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Re: Trying to make dream come true
[Re: Spode]
#1634933
06/20/14 07:44 PM
06/20/14 07:44 PM
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Anonymous
Unregistered
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Anonymous
Unregistered
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It's a 72.....and you will keep it forever......
IMO, keep a small block in it
So, put a 4" crank in it, have the heads done by IMM, have him spec u a cam, get a good converter, put a clutch suregrip in, some sticky street tires, frame connectors and maybe a 6 point bar and have fun without a lot of coin.......should be able to do that for 7k or less and still have a low 11/hi 10 car you can live with on the street....
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Re: Trying to make dream come true
[Re: Spode]
#1634935
06/20/14 10:06 PM
06/20/14 10:06 PM
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Joined: Jan 2003
Posts: 6,531 Jacksonville, FL
Chris2581
master
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master
Joined: Jan 2003
Posts: 6,531
Jacksonville, FL
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Like I said..I have a 71 Demon.It was a original 340 4-speed car...we got it as a bare bones body in 1981.It now has a 440,it's been tubbed,fenderwells cut for headers,no interior etc.. We should have just put in a small block and raced it that way with 9" tires..would have accomplished the same results.
Put in a stroker 360 and run 11.50's with it.It doesn't pay an more money at the tracks to run faster.
Nautilus Racing- We use Superformance gaskets and Turbo Action converters/products.
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Re: Trying to make dream come true
[Re: Chris2581]
#1634936
06/21/14 05:12 AM
06/21/14 05:12 AM
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Joined: Aug 2006
Posts: 2,141 junction city oregon
viperblue72
top fuel
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top fuel
Joined: Aug 2006
Posts: 2,141
junction city oregon
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Even with a 4" crank with what you got and on pump gas, would get you low 11s. Build a 360/408 short block on the side and enjoy the car in the mean time. When the short block is done, put your existing top end on. Go run low 11's with what you have. When time and $ allow, get some good heads 300cfm and stuff in a 256@050 .650 solid roller and go run mid 10s. At this point the rest of your drivetrain will also need attention.
Last edited by viperblue72; 06/21/14 05:20 AM.
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Re: Trying to make dream come true
[Re: 383man]
#1634939
06/21/14 11:07 PM
06/21/14 11:07 PM
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Joined: Dec 2003
Posts: 23,295 Here
jcc
If you can't dazzle em with diamonds..
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If you can't dazzle em with diamonds..
Joined: Dec 2003
Posts: 23,295
Here
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I'm with the SB stroker crank crowd.
I'm also a believer in getting the car back running and driving first, is a bigger priority.
Kids in college are still not out of the nest, and have life still has surprises.
Did you mention what the current brake package is on the car?
" All sorts of things can happen when you are open to new Ideas" Inventor of Kevlar
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