273 FAST cars?
#203515
01/24/09 11:59 PM
01/24/09 11:59 PM
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Posts: 12,478 Kalispell Mt.
HotRodDave
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I was pondering buying a 65 dart GT and thinking through what could be done with it and thought a FAST car would be unique, obviously not the fastest ever but a 4 inch stroke crank could put it up to around 340 inches depending on final bore, could even go close to 360 with a 4.25 stroke and honda rod journals. Heads could be made to flow enough for 400 hp. It would be a pretty light car with a short-ish wheel base so mabey it could be made to be respectable.
What do you guys think?
I am not causing global warming, I am just trying to hold off a impending Ice Age!
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Re: 273 FAST cars?
[Re: slantzilla]
#203518
01/25/09 12:17 AM
01/25/09 12:17 AM
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Joined: Jan 2003
Posts: 7,131 Amarillo, Texas
BBR
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master
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Amarillo, Texas
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3 words:
Sucky exhaust manifolds.
Drag Week 2011 - 77th place - DD Drag Week 2012 - 2nd place SRBB N/A Drag Week 2014 - Kapooya RMRW 2018 RMRW 2020
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Re: 273 FAST cars?
[Re: BBR]
#203520
01/25/09 10:01 AM
01/25/09 10:01 AM
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Joined: Jan 2003
Posts: 2,511 Tampa , Fl
MoparJoe
super gas
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super gas
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Tampa , Fl
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Quote:
3 words:
Sucky exhaust manifolds.
I've seen an early A pick up 1/2 sec and 5mph in the 1/8 by just swapping to a set of small headers. This was on a street 360 with stock heads, hyd cam and dual plane, nothing crazy where it would "need" a set of headers, that 90* bend and crimp in the manifold on the dr side kills it.
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Re: 273 FAST cars?
[Re: scatpacktom]
#203522
01/25/09 11:04 AM
01/25/09 11:04 AM
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Joined: May 2005
Posts: 6,446 NJ-USA
HPMike
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NJ-USA
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Quote:
2 words...Do it
Listen to Tom, and just build it.
In FAST all entries have their shortcomings. It's all about doing the BEST you can with the entry you choose to bring. Not too long ago they said a FAST six pack big block wedge would never be able to make it into the elevens.
MB
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Re: 273 FAST cars?
[Re: HPMike]
#203523
01/25/09 12:47 PM
01/25/09 12:47 PM
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Joined: Jan 2005
Posts: 12,478 Kalispell Mt.
HotRodDave
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I thought I read in the rules one time you could not use a block that would take a bigger bore than stock?
Also would it be limited to a single exhaust?
I had a 360 in a 66 dart 4dr with 302 heads 273 manifolds and it ran a best of 9.43 in the 1/8th with a one leg 7.25 2.94 rear.
Could I run an 8.75 or 8.25, I think they only came with 7.25s in 65?
I am not causing global warming, I am just trying to hold off a impending Ice Age!
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Re: 273 FAST cars?
[Re: HotRodDave]
#203524
01/25/09 02:02 PM
01/25/09 02:02 PM
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Joined: Jan 2003
Posts: 9,982 Ansonia, CT
CJK440
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Ansonia, CT
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No, that overbore thing meant larger than the largest factory overbore of that engine family. A factory 340 or 360 is fine for a 273 car.
As for exhaust, thats a good question. The class is for high performance cars with a minimum of a 4 bbl carb and dual exhaust... Thats a question for the FAST tech guys.
You can run any axle offered by that manufacturer. Same goes for transmissions as long as its no more than 3 speeds for auto or 4 speed for stick.
2017 Contusion Blue Challenger T/A 392 M6 "BLKNBLU"
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Re: 273 FAST cars?
[Re: HotRodDave]
#203525
01/25/09 03:56 PM
01/25/09 03:56 PM
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Anonymous
Unregistered
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Anonymous
Unregistered
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Quote:
Could I run an 8.75 or 8.25, I think they only came with 7.25s in 65?
A few late 65's had 8 3/4 rears. Not sure if that was only in 4-speed cars.
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Re: 273 FAST cars?
#203526
01/25/09 04:23 PM
01/25/09 04:23 PM
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Joined: Jan 2005
Posts: 12,478 Kalispell Mt.
HotRodDave
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The one I am looking at has a 4spd and 7.25 rear.
Mabey the 7.25 could be made to survive with enough weight removal from the car and the puny tires. Any one make a spool or aftermarket axels? The weight saveings of the 7.25 could be an advantage it self.
I am not causing global warming, I am just trying to hold off a impending Ice Age!
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Re: 273 FAST cars?
[Re: slantzilla]
#203528
01/25/09 05:32 PM
01/25/09 05:32 PM
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Joined: Jan 2005
Posts: 12,478 Kalispell Mt.
HotRodDave
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I made about 50 1/8th passes on my old 66 dart with a 7.25 and finaly broke the spiders drifting through an intersection WOT Mabey I could get someone with a lathe to turn out a locker? What about axels? Shot peen, cryo treat and hope for the best?
I am not causing global warming, I am just trying to hold off a impending Ice Age!
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Re: 273 FAST cars?
[Re: slantzilla]
#203529
01/25/09 05:32 PM
01/25/09 05:32 PM
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Joined: Jan 2003
Posts: 7,521 Minnesota
Hemi_Joel
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Guys, this discussion is great, but if you are seriously thinking about competing, read the rules, then read them again. You can use ANY solid axle that ever came in a mopar, or a stock appearing aftermarket version. http://www.fastraces.org/I hope you build it, I think it would be a cool combo, and you would have alot of fun with it!
[img]http://i.imgur.com/boeexFms.jpg[/img]31 Plymouth Coupe, 392 Hemi, T56 magnum RS23J71 RS27J77 RP23J71 RO23J71 WM21J8A I don't regret the things I've done. I only regret the things I didn't do. "Wise men talk because they have something to say; fools because they have to say something. ~ Plato"
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Re: 273 FAST cars?
[Re: HotRodDave]
#203534
01/25/09 07:16 PM
01/25/09 07:16 PM
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Joined: Jan 2003
Posts: 75,274 A gulag near you.
JohnRR
I Win
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I Win
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Posts: 75,274
A gulag near you.
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Quote:
I thought I read in the rules one time you could not use a block that would take a bigger bore than stock?
depends on the combo .
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