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Old Mar 11, 2014 | 05:06 PM
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Default Engine choices ..

Next season I was going to drop my my ZZ430 and go with a 427 sbc .

I read and read and see all the LS mods and like what I have seen except all the conversion items it requires.

So my question is who has seen , or knows people using the Motown LS motor ? Based on a sbc using all sbc bolt on's and LS heads ?

It is hard to find much info on them , except for Bill Mitchell who had a clip on his 427 set up which pulled 639hp easily enough.
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Old Mar 11, 2014 | 05:22 PM
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Small block Chevy with LS heads??? Never head of that set up. An LS will out power a conventional small block any day but go fast parts are more expensive .
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Old Mar 11, 2014 | 05:56 PM
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Originally Posted by hugie82
Small block Chevy with LS heads??? Never head of that set up. An LS will out power a conventional small block any day but go fast parts are more expensive .
Yes LS heads on a SBC , The block is manufactured to fit LS heads ..

It is called the Motown LS ..

Here is one example of it
http://www.totalengineservice.com/in...=90&Itemid=220
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Old Mar 11, 2014 | 06:19 PM
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I've heard of that, was thinking of doing that since it drops right in and I have a nice set of low mileage LS6 heads in the garage... then I saw the price
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Old Mar 11, 2014 | 07:49 PM
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I asked about it on various forums last month, not a lot known about it. I know Ohio Crank sells them as a crate as well.
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Old Mar 11, 2014 | 08:18 PM
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Originally Posted by gdh
I asked about it on various forums last month, not a lot known about it. I know Ohio Crank sells them as a crate as well.
U got a link for it ?
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Old Mar 11, 2014 | 08:31 PM
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Originally Posted by diehrd
U got a link for it ?
Here ya go ... 7th engine down from the top on the list @ $12,095
http://www.ohiocrank.com/enginespage1.html

816 freakin horses @ 7100 RPM. Will need a Dana 60 in the rear.

Last edited by 82CFI; Mar 11, 2014 at 08:36 PM.
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Old Mar 11, 2014 | 08:38 PM
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Bam .. Ya 600 would be my limit as car is set up know lol... Budget of 10k and that one is 13.5 to 1 ... lol I would like 10.5 to 1
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Old Mar 11, 2014 | 08:53 PM
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Originally Posted by diehrd
Bam .. Ya 600 would be my limit as car is set up know lol... Budget of 10k and that one is 13.5 to 1 ... lol I would like 10.5 to 1
Call em up and ask if they can tone it down to the 10.5, leave off the intake manifold and any other stuff that you can get cheaper from a used LS7 or aftermarket to get it within your $10K budget. Keep the cubes though as that 440 would give ya some yank at low RPM. Worth a call?
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Old Mar 11, 2014 | 08:54 PM
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Originally Posted by 82CFI
Call em up and ask if they can tone it down to the 10.5, leave off the intake manifold and any other stuff that you can get cheaper from a used LS7 or aftermarket to get it within you $10K budget. Keep the cubes though as that 440 would give ya some yank at low RPM. Worth a call?
Ya but you need the adapters for the intake to fit .. I do know that much and Crane is the only cam grinder I know if as well. I would be cool with a long block with no carb or dist I will ring them and ask if I get time tomorrow
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Old Mar 11, 2014 | 09:09 PM
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Originally Posted by diehrd
Ya but you need the adapters for the intake to fit .. I do know that much and Crane is the only cam grinder I know if as well. I would be cool with a long block with no carb or dist I will ring them and ask if I get time tomorrow
Doesn't sound like you need an adapter as the Total Engine Service one mentioned above in their list of parts describes a standard Edelbrock LS manifold. Maybe when you call, this one will get answered. Good luck on the call. And if it works out budget/CR wise, you would be the first on CF doing this swap and we'll all be following closely.

Just thinking too at how cool this is. Top end with LS stuff like factory FI, stock hood clearance, etc. ... front, bottom, rear with all SBC stuff (power accessories, pan, starter, engine mount, bell housing, etc. That buggah would just drop in with no muss, no fuss.
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Old Mar 11, 2014 | 09:16 PM
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Originally Posted by 82CFI
Doesn't sound like you need an adapter as the Total Engine Service one mentioned above in their list of parts describes a standard Edelbrock LS manifold. Maybe when you call, this one will get answered. Good luck on the call. And if it works out budget/CR wise, you would be the first on CF doing this swap and we'll all be following closely.

Just thinking too at how cool this is. Top end with LS stuff like factory FI, stock hood clearance, etc. ... front, bottom, rear with all SBC stuff (power accessories, pan, starter, engine mount, bell housing, etc. That buggah would just drop in with no muss, no fuss.
I actually would be using EZ EFI .. And a single plane intake.Conversion wise is will be like droping in a sbc where one came out and that to me makes it worth something on the switch over. I do suspect header issues but not sure yet.

The Motor I did see was Worlds billy mitchel , with this motor he made 639 hp , 39 more then the LSX 427 outfitted the same way.

So I have found bits and pieces that's why I posted and did not call anyone I would like to know as much ahead of time before I buy !
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Old Mar 12, 2014 | 02:29 PM
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Was just on Bill Mitchell's site, and looked at the 500/550 hp/tq engine he built. Any idea what his price is?
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Old Mar 12, 2014 | 04:57 PM
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Originally Posted by gdh
Was just on Bill Mitchell's site, and looked at the 500/550 hp/tq engine he built. Any idea what his price is?
Mitchell does not sell directly to the consumer ... only available via his authorized distributors/retailers. Here is one retailer that sells the Motown 427 LS Hybrid for $16,399. This website also has a great write-up of the components that make up the Hybrid and what is needed to make it function. Also lists some aftermarket vendors selling parts for the Hybrid ... like cams, etc.
http://www.caribbean-joe.net/vette/ls1hybrid_03.htm

A Powerblock TV episode video on this Hybrid. A must watch for anyone interested in the Mitchell's LS Hybrid.
http://www.powerblocktv.com/episodes...allblock-build

Do a Google search for "Motown LS Hybrid Dealers" and you should come across a few others retailing the complete crate engine.

Last edited by 82CFI; Mar 12, 2014 at 05:04 PM.
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Old Mar 12, 2014 | 06:23 PM
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You ca buy the block , and intake adapters for 3k.
Get heads , rotating assembly oil pan, valve train .. 4k
Crane makes the cam , and 8.2 push rods

I think high side to do it yourself 8500.00 and you should be cooking into 600 plus hp.
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Old Mar 12, 2014 | 07:19 PM
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Sounds about right. The Powerblock TV video showed the build of a 383 Hybrid that made 563 HP @ 6,500 RPM ... so the 427 Hybrid should easily make 600+ HP.

This one seems to fit your $10K budget without the hassle of putting it all together and it makes 640 HP:
http://www.shafiroff.com/econo/427_econo.php

Oh I know there is a lot more satisfaction in building it up completely yourself and I would do it that way too except that I don't know the first thing about assembling a SBC engine starting with a machined bare block. I prefer to let the pros do it. I would be scared to death that it'll explode the first time it's fired up on the dyno.

When are you going to pull the trigger on the Hybrid build and swap?

Last edited by 82CFI; Mar 12, 2014 at 07:30 PM.
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Old Mar 12, 2014 | 07:41 PM
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The more we talk about it the closer my damn check book gets to my desk LMAO. But for this spring I have a new cam and things for the ZZ430 I am gonna see how well it does with some head mods and 3 inch exhaust ,, Ill be tired of that soon enough ...
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Old Mar 15, 2014 | 09:38 AM
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Originally Posted by diehrd
Yes LS heads on a SBC , The block is manufactured to fit LS heads ..
It is called the Motown LS ..
Here is one example of it
http://www.totalengineservice.com/in...=90&Itemid=220
I just emailed them for some specifics, ie which block Gen I or II, heads and what exactly does come with that starting price. If a Gen II block and depending on heads that's an interesting deal.
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Old Mar 15, 2014 | 10:02 AM
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If youre careful you can piece together an SB2.2 and smoke the LSx.
member here I speak to often just did a 440ci sbc HR cam in the 24xish range 91 octane made 720hp, tq was high 5xx/low 6xx if I remember correctly. Ran him around 12-13k
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Old Mar 15, 2014 | 10:22 AM
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You have a link to the 720hp topic if there is one
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