have ? about best combo
#186178
01/06/09 09:54 PM
01/06/09 09:54 PM
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Joined: Aug 2006
Posts: 416 Eagleville Tn.
rtstreet
OP
mopar
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OP
mopar
Joined: Aug 2006
Posts: 416
Eagleville Tn.
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ok guys need to know what your opinion is, we are building a new car for my son and i cant decide which way to go (small or big block) car = 73 cuda, 25.5 cage, S-60 cal tracs and split mono, bob's frt end, mini tubed, 15x12 with 29.5 x 10.5 S, 727 or glide, all max effort stuff. Power adder = F-1R procharger (the biggest allowed) 1st combo = up to 365 cid small block, indy 360's big bore small stroke, only 3125 lbs. 2nd combo = up to 400 cid same but 3225 lbs. 3rd combo = up to 477 cid big block, cnc 440-1 (345 cc runner) 3225 lbs. 4th combo = up to 524 cid same but 3275 lbs. what i am wondering is will the increase in boost and the lighter weight of the 365 cid be the best choice, maybe a super small big block???, I dont have alot of experience with blowers or small blocks at this level, please ask me anything and help us sort this out. thanks moparts guru's
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Re: have ? about best combo
[Re: rtstreet]
#186179
01/06/09 10:00 PM
01/06/09 10:00 PM
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Joined: Jan 2003
Posts: 6,266 Renton Washington
Triple Threat
master
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master
Joined: Jan 2003
Posts: 6,266
Renton Washington
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So no matter what its going to have an F1 procharger hanging off the front of it, you just need help figuring out how big of a motor you want to run? I'm thinking a big block with -1's with some forced induction would be well worth the 100-150# weight penalty over the 365.
Last edited by Triple Threat; 01/06/09 10:04 PM.
-Dustin 67 Dart, 9 second, 392" G3 Hemi 68 Barracuda 340 F/SA
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Re: have ? about best combo
[Re: Triple Threat]
#186181
01/06/09 10:10 PM
01/06/09 10:10 PM
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Joined: Jan 2007
Posts: 437 south central pa
bdaz smblk
mopar
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mopar
Joined: Jan 2007
Posts: 437
south central pa
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I would go with 365 on leafs and rely on lots of rpm's.Won't have lots of torque to blow tires off early with a glide.That thing would hall the mail.Good luck with it and keep us posted.Hope Cam kicks butt with it.
3120lb, small block, 10.5" tire, NA, through exhaust, full int, WITH 83/4 REAR, 9.0 at 150mph
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Re: have ? about best combo
[Re: bdaz smblk]
#186182
01/06/09 11:03 PM
01/06/09 11:03 PM
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Joined: Jun 2003
Posts: 9,225 Charleston
sixpackgut
Drag Week Mod Champion
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Drag Week Mod Champion
Joined: Jun 2003
Posts: 9,225
Charleston
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Andy, this is a question we would be asking you do they make a good sb block like they do for big blocks? me and Quicktree wanted say hello to you but you had a crowd around you at the PRI show.
Gen 3 power 6.22@110, 9.85@135 Follow @g3hemiswap on instagram
performance only racing, CRT, ultimate converter, superior design concepts, ThumperCarbs
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Re: have ? about best combo
[Re: RyanJ]
#186185
01/06/09 11:27 PM
01/06/09 11:27 PM
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Joined: Oct 2005
Posts: 2,611 Elbridge, NY
Dart1031
master
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master
Joined: Oct 2005
Posts: 2,611
Elbridge, NY
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Quote:
Quote:
do they make a good sb block like they do for big blocks?
Two letters....
That's one letter
I would think with a 'glide the BB isn't gonna blow the tires off.
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Re: have ? about best combo
[Re: sixpackgut]
#186187
01/07/09 12:27 AM
01/07/09 12:27 AM
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Joined: Jul 2003
Posts: 12,129 Cleveland
sunroofgtx
I Live Here
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I Live Here
Joined: Jul 2003
Posts: 12,129
Cleveland
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Andy, I'd go with what DT said.. He's got a pretty good grip on combo's.. New drawing board , Andy ??
Join the quickest team in motorsports. Team FireCore. CustomWiresets.com
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Re: have ? about best combo
[Re: rtstreet]
#186188
01/07/09 12:28 AM
01/07/09 12:28 AM
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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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I think I would go 400ci small block. With the 25.5 chassis I'm sure its going to be light enough that you can put weight anywhere you need it R3 block, you can get a large bore in it, and some good heads W-8 or W-9
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Re: have ? about best combo
[Re: MR_P_BODY]
#186189
01/07/09 12:31 AM
01/07/09 12:31 AM
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Joined: Jan 2003
Posts: 19,363 Las Vegas
Al_Alguire
I Live Here
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I Live Here
Joined: Jan 2003
Posts: 19,363
Las Vegas
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What would it need to run to be competitive. I ask because I am sure you want to be at the least competitive, also might give some of the guys here insight as to what kind of power you are talking about.
"I am not ashamed to confess I am ignorant of what I do not know."
"It's never wrong to do the right thing"
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Re: have ? about best combo
[Re: Al_Alguire]
#186190
01/07/09 12:42 AM
01/07/09 12:42 AM
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Joined: Jan 2003
Posts: 6,266 Renton Washington
Triple Threat
master
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master
Joined: Jan 2003
Posts: 6,266
Renton Washington
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Just guessing here but looking at the rules looks like Xtreme Street is what they want to run with it.
Records for Xtreme Street are 177.32 mph 7.851 ET
-Dustin 67 Dart, 9 second, 392" G3 Hemi 68 Barracuda 340 F/SA
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Re: have ? about best combo
[Re: Triple Threat]
#186191
01/07/09 01:16 AM
01/07/09 01:16 AM
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Joined: Aug 2006
Posts: 416 Eagleville Tn.
rtstreet
OP
mopar
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OP
mopar
Joined: Aug 2006
Posts: 416
Eagleville Tn.
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524 most cid DT have built lots of small blocks just none with blower no w-8 only 360-1 or2, w-5, b-1ba mc record my friend cameron 7.80's and the fastest combo out of the ones you think Al would like to run 7.90's but want to go as fast as we can with what the rules allow, my challenger has been 8.20 @ 3450 477 cid and nos rules page http://www.nmcadigital.com/forums/showthread.php?t=10735
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Re: have ? about best combo
[Re: rtstreet]
#186192
01/07/09 01:39 AM
01/07/09 01:39 AM
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Joined: Jan 2003
Posts: 19,363 Las Vegas
Al_Alguire
I Live Here
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I Live Here
Joined: Jan 2003
Posts: 19,363
Las Vegas
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A 477"ish BB with an aluminum block and a set of max effort B1's might be fun. Dont know a lot about the SB heads but seems to me the allowable pieces may not be the optimum choice to make the needed power. I see a weight break for Mopar up to 477 cubes would be a 3375, that is a bit of weight though.
"I am not ashamed to confess I am ignorant of what I do not know."
"It's never wrong to do the right thing"
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Re: have ? about best combo
[Re: Al_Alguire]
#186194
01/07/09 01:50 AM
01/07/09 01:50 AM
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Joined: Jan 2003
Posts: 6,266 Renton Washington
Triple Threat
master
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master
Joined: Jan 2003
Posts: 6,266
Renton Washington
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I read it as being 3400# base weight for a 477cid supercharged big block. B1's are your best bet for a head. -50# for being pre 1974 -75# for Mopar -50# for stock suspension
Puts you at 3225# Unless i am reading something wrong.
-Dustin 67 Dart, 9 second, 392" G3 Hemi 68 Barracuda 340 F/SA
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