Have you heard about the new Scoggin Dickey Big Bull LS Motors 413,427,440 cid?
04-04-2007, 12:17 AM
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Have you heard about the new Scoggin Dickey Big Bull LS Motors 413,427,440 cid? Just got my newest edition of GM High Tech Performance today and see that Scoggin Dickey has released their new LS2/L92/LS7 "Big Bull" short blocks.
Man these bad boys look tempting at these prices and what do you guys think about this which I will quote from the magazine all utilzing the new SDPC/CALLIES 4.1 crank. It is my preference to use a 4.00 crank in a big cubes LS series motor but I would think these bad boys would be reliable in a full max effort N/A application that I am looking to build with Trick Flow 225 heads and a nice aggressive street/strip cam making around 11:5 to 1 compression.
HERE YOU GO and let's get your feedback as this is exciting ****:
LS2 block, 4.005 bore, 4.1 stroke crank, 413 cid for $4,569.00
L92 block, 4.068 bore, 4.1 stroke crank, 427 cid for $4,929.00
LS7block, 4.125, 4.1 stroke crank, 440 cid for $6,289.00
"All of the above big bull LS engine short block by SDPC features the new SDPC/CALLIES 4.100 stroke crank, manley forged pistons, scat H-Beam Rods, and a new GM alum Block.
Man this **** is tempting but a new 4.1 crank makes me a little leary as I have had a new Callies 4.125 crank several years ago fail on me and have SWORN I would never go with an ls series motor that was not a simple 4.00 fast reving, battle tested crank, but I am sure that could be offered at these same type of prices (and probably lower) by SDPC, but of course that will not the cubes set forth above down a bit.
What do you guys think? Man, this **** is getting really exciting!
At thes prices one could almost afford to put on a ported LS7 intake and CNC LS7 heads onto this 440 LS7 "big bull" LS7 motor, which should make close to around 575 to 590 rwhp!
Man these bad boys look tempting at these prices and what do you guys think about this which I will quote from the magazine all utilzing the new SDPC/CALLIES 4.1 crank. It is my preference to use a 4.00 crank in a big cubes LS series motor but I would think these bad boys would be reliable in a full max effort N/A application that I am looking to build with Trick Flow 225 heads and a nice aggressive street/strip cam making around 11:5 to 1 compression.
HERE YOU GO and let's get your feedback as this is exciting ****:
LS2 block, 4.005 bore, 4.1 stroke crank, 413 cid for $4,569.00
L92 block, 4.068 bore, 4.1 stroke crank, 427 cid for $4,929.00
LS7block, 4.125, 4.1 stroke crank, 440 cid for $6,289.00
"All of the above big bull LS engine short block by SDPC features the new SDPC/CALLIES 4.100 stroke crank, manley forged pistons, scat H-Beam Rods, and a new GM alum Block.
Man this **** is tempting but a new 4.1 crank makes me a little leary as I have had a new Callies 4.125 crank several years ago fail on me and have SWORN I would never go with an ls series motor that was not a simple 4.00 fast reving, battle tested crank, but I am sure that could be offered at these same type of prices (and probably lower) by SDPC, but of course that will not the cubes set forth above down a bit.
What do you guys think? Man, this **** is getting really exciting!
At thes prices one could almost afford to put on a ported LS7 intake and CNC LS7 heads onto this 440 LS7 "big bull" LS7 motor, which should make close to around 575 to 590 rwhp!
Last edited by Chicago Crew UnderBoss; 04-04-2007 at 09:17 AM.
04-04-2007, 08:32 AM
#3
It's SCOGGIN-DICKEY And we, as well as Callies, have done our homework on these crankshafts and are very confident in the setup. There was actually a thread a couple weeks ago where some other big name builders agreed that it's not the crank that gets you into issues, it's the ring set-up. We've addressed those issues and have not seen any oil consumption issues to speak of with these engines.
Feel free to give me a call if I can help answer any questions about your setups!
And we, as well as Callies, have done our homework on these crankshafts and are very confident in the setup. There was actually a thread a couple weeks ago where some other big name builders agreed that it's not the crank that gets you into issues, it's the ring set-up. We've addressed those issues and have not seen any oil consumption issues to speak of with these engines. Feel free to give me a call if I can help answer any questions about your setups!
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04-04-2007, 09:30 AM
#6
Haha, thanks Tony!!
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04-04-2007, 11:42 AM
#8
Originally Posted by DanZ28
What's the advantages (besides adding CI) and disadvantages to using a 4.1" crank?
Dan
Dan
Well... there was some talk about the 4.1 being bad for oil use and/or engine longevity. I have not seen (or read) proof Pro or Con...
04-04-2007, 04:48 PM
#10
Originally Posted by DanZ28
What's the advantages (besides adding CI) and disadvantages to using a 4.1" crank?
Dan
Dan
04-04-2007, 07:15 PM
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Originally Posted by Beast96Z
More cubes equals more power. Plain and simple. There USED to be alot of problems with oil consumption in the long stroke motors due to insufficent piston design and support, but these days, it isn't really a problem unless you have a builder that's been living under a rock.
04-04-2007, 08:42 PM
#12
Originally Posted by DanZ28
What do you lose with the bigger stroke, RPM? I ask this because I look at some short stroke setups, for example LS1joe's, he is putting down 650 whp with a 385, mainly because he can spin the **** out of it and it just keeps making power, would the same motor with a 4.1" stroke accomplish this in the same way an make more power? Or is it that just because a 440" has more CI than the 385 it will make more power everywhere plain and simple?
More than just spinning it real high to get a high peak number, you want the torque curve, that is what the large bore will get you. Who spins their motor to 8k on a regular basis? I would rather have peak numbers around 6500 but a nice flat torque curve through the whole powerband.
04-04-2007, 11:27 PM
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Originally Posted by TheLS1Kid
LS7block, 4.125, 4.1 stroke crank, 440 cid for $6,289.00
^^ Wish i had the coin for that baby.
^^ Wish i had the coin for that baby.
I am thinking about going with this set-up along with some ported L92 heads (better yet TRICK FLOW 225s) which should make very good power and STUPID TORQUE, with a nice agressive street/strip cam!
04-05-2007, 09:55 AM
#14
ive been away for awhile, and i too got my copy of GMHTP in the mail the other day and seen the ad for the big bull engines and was drooling over the prices.
But i thought the talk awhile ago was that the L92 or LS2 block cylinders werent long enough to support the 4.100 stroke??
Was that addressed with just a shorter piston and or Con rod?
Also on the L92 427, what would be a safe max rpm to spin that up to, and with some ported L92 heads and L76 intake/90mm TB and somewhere around a 235/240@.050 .600 lift cam what kind of power do you think it could put to the wheels???
But i thought the talk awhile ago was that the L92 or LS2 block cylinders werent long enough to support the 4.100 stroke??
Was that addressed with just a shorter piston and or Con rod?
Also on the L92 427, what would be a safe max rpm to spin that up to, and with some ported L92 heads and L76 intake/90mm TB and somewhere around a 235/240@.050 .600 lift cam what kind of power do you think it could put to the wheels???
04-05-2007, 12:25 PM
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Originally Posted by 03 BUSA
More than just spinning it real high to get a high peak number, you want the torque curve, that is what the large bore will get you. Who spins their motor to 8k on a regular basis? I would rather have peak numbers around 6500 but a nice flat torque curve through the whole powerband.
Dan
04-05-2007, 12:51 PM
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Originally Posted by DanZ28
Having a track only car, I spin mine to 7400 now, so I don't care about the Tq down low (personally), I'm never there. Did you mean large stroke for your nice flat Tq or large bore? I am just wondering if you can still spin the 4.1" pretty high, or would it be better to go bigger bore, shorter stroke?
Dan
Dan
Bigger bore with shorter stroke will always make for a faster revving motor that can be spun higher than a smaller bore longer stroke motor.
04-06-2007, 08:04 AM
#20
For an '03 car you'll need the cam and knock sensors harness adapters to run our LS7 440 engine! We keep them in stock and they run about $60.
For an '05 you'll need just what you have already.
For an '05 you'll need just what you have already.
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