Re: 543 440 Combo's
[Re: Dragula]
#2781441
06/04/20 05:07 PM
06/04/20 05:07 PM
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Joined: Jun 2004
Posts: 926
birdtracker
super stock
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super stock
Joined: Jun 2004
Posts: 926
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this should be really interesting. I would like to hear your bore and stroke thoughts. I did have a 4.375 stroke crank in a RB iron block with only a little grinding. Birdtracker
Last edited by birdtracker; 06/04/20 05:46 PM.
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Re: 543 440 Combo's
[Re: Dragula]
#2781579
06/05/20 01:14 AM
06/05/20 01:14 AM
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Joined: Aug 2003
Posts: 43,228 Bend,OR USA
Cab_Burge
I Win
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I Win
Joined: Aug 2003
Posts: 43,228
Bend,OR USA
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Which stock block, year and type, B, RB hemi I wouldn't waste my time or money on using a girdle in any stock RB or B block I do use aluminum main caps and ARP main suds on the 400 blocks I build if they sonic test good Buy a good block and have fun making a lot of power
Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
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Re: 543 440 Combo's
[Re: Dragula]
#2781653
06/05/20 11:18 AM
06/05/20 11:18 AM
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Joined: Jan 2003
Posts: 16,928 NC
440Jim
I Live Here
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I Live Here
Joined: Jan 2003
Posts: 16,928
NC
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Depends on power level. Turning 2000 rpm on the street should not be a problem. Making over 800 hp, I would want a better block.
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Re: 543 440 Combo's
[Re: 440Jim]
#2781774
06/05/20 02:51 PM
06/05/20 02:51 PM
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Joined: Jan 2003
Posts: 14,506 So. Burlington, Vt.
fast68plymouth
I Live Here
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I Live Here
Joined: Jan 2003
Posts: 14,506
So. Burlington, Vt.
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I’m not sure which combo the “543” is.
4.375 x 4.500 is 541.2 4.380 x 4.500 is 542.4 4.500 x 4.250 is 540.7 4.440 x 4.375 is 541.9
68 Satellite, 383 with stock 906’s, 3550lbs, 11.18@123 Dealer for Comp Cams/Indy Heads
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Re: 543 440 Combo's
[Re: fast68plymouth]
#2781898
06/05/20 09:10 PM
06/05/20 09:10 PM
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Joined: Jan 2003
Posts: 17,875 S.E. Michigan
ZIPPY
I Live Here
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I Live Here
Joined: Jan 2003
Posts: 17,875
S.E. Michigan
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I’m not sure which combo the “543” is.
4.375 x 4.500 is 541.2 4.380 x 4.500 is 542.4 4.500 x 4.250 is 540.7 4.440 x 4.375 is 541.9 You know Dwayne, I never could figure out what a 472 crate hemi was either. 4.25 x 4.150 = 470.9 Did "471" sound too much like a Ford product? Not sure what the logic was there. We will never know. But I do remember the part number was P5249666. As in "mark of the beast" if you believe such things LOL
Rich H.
Esse Quam Videri
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Re: 543 440 Combo's
[Re: ZIPPY]
#2781925
06/05/20 10:07 PM
06/05/20 10:07 PM
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Joined: May 2004
Posts: 12,396 Taxes & Virus's R-US, NY
Dragula
OP
I Live Here
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OP
I Live Here
Joined: May 2004
Posts: 12,396
Taxes & Virus's R-US, NY
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Just curious who has built one in a stock block, and how hard did you lean on it.....We have a ton of the 512 builds running around here. Fastest one was mine at 9.70 at 138.5mph on pump gas which my little 400/512 has eclipsed to a 9.60...We even have one of the 526 builds running real strong in my buddies car, so the obvious question is how would the 543 fair? http://store.440source.com/Stroker-Kits/products/3/440 >> 543. (4.500" stroke/7.100" rod)
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Re: 543 440 Combo's
[Re: Dragula]
#2781995
06/06/20 08:27 AM
06/06/20 08:27 AM
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Joined: Jan 2003
Posts: 17,875 S.E. Michigan
ZIPPY
I Live Here
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I Live Here
Joined: Jan 2003
Posts: 17,875
S.E. Michigan
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Well, here is another bump... I'd like to know just for info.
Rich H.
Esse Quam Videri
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Re: 543 440 Combo's
[Re: mopar dave]
#2782144
06/06/20 02:31 PM
06/06/20 02:31 PM
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Joined: Jan 2003
Posts: 19,375 Las Vegas
Al_Alguire
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I Live Here
Joined: Jan 2003
Posts: 19,375
Las Vegas
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FWIW the 512" low deck in my Valiant went 9.0's at 150 NA. SO you can certainly can make some steam this way. Will it live a long happy life, mine sure didn't. It went 100ish passes before the block gave out. Yes it had aluminum caps. Im pretty sure the 900ish HP from an NA combo in a stock block was just to much for the ole gal. I don't really know the power as it was never on the dyno but went 150 at 3470lbs so 900ish. When I did it they were between iron blocks and didn't have the $$$ for aluminum. I learned my lesson and now choose better blocks, but they have their limitations too I suppose.
"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: 543 440 Combo's
[Re: Al_Alguire]
#2782145
06/06/20 02:34 PM
06/06/20 02:34 PM
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Joined: Jan 2003
Posts: 19,375 Las Vegas
Al_Alguire
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I Live Here
Joined: Jan 2003
Posts: 19,375
Las Vegas
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My 470" tall deck went 9.69 at 139 in a 3100lb Duster with iron heads. It don't take a ton of power to run that in a typical A body racecar, 650ish will do it and I think they can live long happy lives at that level. Provided that the cylinders have some thickness or they have a tall fill.
"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: 543 440 Combo's
[Re: Dragula]
#2782278
06/06/20 10:31 PM
06/06/20 10:31 PM
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Joined: Jan 2003
Posts: 10,011 Frostbitefalls MN (Rocky&Bullw...
gregsdart
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I Live Here
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Posts: 10,011
Frostbitefalls MN (Rocky&Bullw...
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I like it for a high torque low rpm build. I raced a 4.5 stroke 4.350 bore motor many years ago. Very mild build that made enough power to go 10.20s at 129 mph in a 3400 lb duster. I ran 4.10 gears and 33 inch tall slicks. Since the block has about a 650 hp fuse on it, plan accordingly. The best part is it can make decent power at VERY low rpm allowing a long valvetrain and block life if rpm is kept low.
8..603 156 mph best, 2905 lbs 549, indy 572-13, alky
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Re: 543 440 Combo's
[Re: mopar dave]
#2782395
06/07/20 01:35 PM
06/07/20 01:35 PM
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Joined: Jan 2003
Posts: 19,375 Las Vegas
Al_Alguire
I Live Here
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I Live Here
Joined: Jan 2003
Posts: 19,375
Las Vegas
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That is a bunch of hp Al. What compression, cam and heads does it take to get 900hp? I say 900ish because it was never on a dyno, just a garage build but I know the car went 150 at 3470. It was 15.5-1, CFE ported B1 heads. Cam I am not sure I have the info any longer but I recall was low .800" lift for sure(common shaft T&D's, would have been a split lift deal), duration sure was high 280ish/290 ish and on a 114-117 lobe center. I am sure I have the build notes just not sure where as we are getting ready to move. It would be typical for other B1 stuff I have done over the years, this was a very nice set of heads done by CFE. The heads ended up on another combo and made 1025 in a 572. FWIW our 446 we ran in the dragster when my kid was a newbie was probably 650plus. Went 8.19 best here in Vegas at 1875lbs. Was a 12-1 compression deal with decent set of Indy -1's and a smallish roller on E85. Would have been in the 7's at sea level.
Last edited by Al_Alguire; 06/07/20 01:39 PM.
"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: 543 440 Combo's
[Re: fast68plymouth]
#2782963
06/08/20 06:09 PM
06/08/20 06:09 PM
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Joined: Jun 2004
Posts: 741 Carson City, NV
440sourcedotcom
super stock
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super stock
Joined: Jun 2004
Posts: 741
Carson City, NV
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I’m not sure which combo the “543” is.
4.375 x 4.500 is 541.2 4.380 x 4.500 is 542.4 4.500 x 4.250 is 540.7 4.440 x 4.375 is 541.9 Our 543 kit is a 4.500 stroke x 4.380" bore, which equals 542.43 cubic inches. We offer pistons for that kit in .060" over, so we usually rate the cubic inches at the largest available bore size. And we did round up by .57 hundredths of a cubic inch.
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Re: 543 440 Combo's
[Re: 440sourcedotcom]
#2782968
06/08/20 06:18 PM
06/08/20 06:18 PM
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Joined: Jul 2008
Posts: 30,451 Florida STAYcation
dOoC
The village idiot's idiot
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The village idiot's idiot
Joined: Jul 2008
Posts: 30,451
Florida STAYcation
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I’m not sure which combo the “543” is.
4.375 x 4.500 is 541.2 4.380 x 4.500 is 542.4 4.500 x 4.250 is 540.7 4.440 x 4.375 is 541.9 Our 543 kit is a 4.500 stroke x 4.380" bore, which equals 542.43 cubic inches. We offer pistons for that kit in .060" over, so we usually rate the cubic inches at the largest available bore size. And we did round up by .57 hundredths of a cubic inch. Which block do you recommend? Any consideration on the industrial 413,block ? What’s the minimum wall thickness? Do you offer an assembled short block ?
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