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INDY VS WORLD ALUMINUM BLOCKS? #2401527
11/10/17 07:25 PM
11/10/17 07:25 PM
Joined: Mar 2003
Posts: 1,452
N.W. INDIANA
moparjohn Offline OP
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moparjohn  Offline OP
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N.W. INDIANA
Recently there have been both Indy and world aluminum blocks for sale in the race parts section. When you consider the machining costs the price is about the same. So what I need is real recommendations on which one is better and why? I know of some good shops that work on Indy Aluminum blocks but are there good shops in the Midwest that have experience with world blocks?
Thanks! John

Re: INDY VS WORLD ALUMINUM BLOCKS? [Re: moparjohn] #2401561
11/10/17 08:21 PM
11/10/17 08:21 PM
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Richmond, Tx. (Houston)
GTSDave Offline
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Richmond, Tx. (Houston)
I am looking for an aluminum 4.5 bore Hemi block but there is so much bad info on all of them out there it has me gun shy. So I am curious what kind of responses you get to this thread.

-Dave


PLEASE Pray for our brothers and sisters in harms way.

If you are the owner of a GTS us at the GTS Registry www.gtsregistry.com
Re: INDY VS WORLD ALUMINUM BLOCKS? [Re: GTSDave] #2401618
11/10/17 10:26 PM
11/10/17 10:26 PM
Joined: Nov 2003
Posts: 1,825
NW Indiana
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fbs63 Offline
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NW Indiana
I like the Indy block over the World. The Indy main bulkheads are much more robust. I think when World bores the casting for the sleeves they go too far down. IIRC one member here had a World iron block that was cut through in that area.

Re: INDY VS WORLD ALUMINUM BLOCKS? [Re: moparjohn] #2401622
11/10/17 10:37 PM
11/10/17 10:37 PM
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Posts: 2,128
Salt Lake City
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camastomcat Offline
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Salt Lake City
They have their differences. I've had 3 World blocks. One blew up worse than anything I have seen N/A. It didn't have anything to do with the block but it did. One I have have now and it has 5 rebuilds on it and has been flawless. The other is steel and not valid for this thread.
The World used to come already with bushed lifter bores, pushrod oiling, clearanced for 4.5 stroke, and outside of a little grinding for pushrod clearance is ready to go save the deck checking, mocking up, etc.
The Indy is all about upgrades and is hard to get to the lifter as there are only small holes for the oil to drain back. It may be stronger though.
That's my opinion, I've had 2 KB's too and would rather have one of those, but that's for another thread.

Re: INDY VS WORLD ALUMINUM BLOCKS? [Re: moparjohn] #2401635
11/10/17 10:56 PM
11/10/17 10:56 PM
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Posts: 2,675
Mt. Eden Ky.
Hemi Allstate Offline
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I bought my World block from a well known Hemi builder. I paid him to prep the block since I ordered the CP pistons with the block it seemed logical to me. I then paid another shop to hone the lifter bores because they were to small to even put a lifter in, another procedure I had already paid for. Also to align hone the mains, as they were out. Then check the deck height and so on. I thought I was buying a block ready to assemble and it was far from that.
The World Hemi block that I bought requires a different head gasket than what I was told. Mopar Rich got me straightened out on that after I had problems with the wrong gaskets.
Other than these issues , which I blame the original dealer for, all has been good with this block.

Mark


http://marsh-racing.com/Mark%20Mahorney-Allstate.htm
1996 Ram 1500 Sport
1968 road runner
1952 Sears Allstate licensed, pump gas, Hemi 5.98 @ 115.73 1.33 60 ft. The best is yet to come. Painless Performance / Street RODDER magazine Top 100 for 2019
Re: INDY VS WORLD ALUMINUM BLOCKS? [Re: Hemi Allstate] #2401641
11/10/17 11:13 PM
11/10/17 11:13 PM
Joined: May 2004
Posts: 12,379
Taxes & Virus's R-US, NY
Dragula Offline
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Dragula  Offline
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Taxes & Virus's R-US, NY
I like the Indy better...At least they don't drill the head deck holes into the water jackets. And I will tell you what, dealing with World for customer service, at least my experience, rivals that of Indy....Maybe others had better, but that convinced me right there.


'70 Cuda,...605 EFI Hemi Street Car (6.20 best pass, 1.33 60ft)
https://www.youtube.com/watch?v=WYw6RA-k5Bk (6.25 at 108.75mph from inside car)
https://www.youtube.com/watch?v=3zQEb9uxFng (6.25 at 108mph from outside car)
https://www.youtube.com/watch?v=JCvfzsC4NgM (9.9)

'66 Barracuda AWB Stretched nose Blown 440 Car in build stage

'71 Duster Drag Car 400 Low Deck 512 best 6.002 at 115.44mph
https://www.youtube.com/watch?v=Znuo3jMUXTk
Re: INDY VS WORLD ALUMINUM BLOCKS? [Re: moparjohn] #2401660
11/10/17 11:41 PM
11/10/17 11:41 PM
Joined: Jan 2003
Posts: 19,304
Las Vegas
Al_Alguire Offline
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Las Vegas
I have World, Indy and KB block engines at our place. They all have pluses and minuses. I have not had any issues with the blocks once they are prepped properly to be used. IMO they all SUCK at customer service period!!! I have had 7 aluminum blocks over the years and have not had one yet that didn't have some issues...

IMO the Indy block does have a slightly better main support area, however they are BY FAR the thinnest in the area between the bores, like tin foil thin. KB's have the least amount of issues IF you can get one and IF it was machined properly. My current one was not done as ordered and when it was sent back to be corrected it was worse. I have not dealt with the "new company" hopefully things are better. I will be buying another new block sometime next year and IF the KB deal is sorted out will go that way.

One last tidbit currently the World aluminum block I have is the one making the most power. It is my Predator engine and so far after we changed a lot of stuff it seems fine. The current KB block is making just over 1000 and the Indy is an 850hp piece.


"I am not ashamed to confess I am ignorant of what I do not know."

"It's never wrong to do the right thing"
Re: INDY VS WORLD ALUMINUM BLOCKS? [Re: moparjohn] #2401805
11/11/17 11:23 AM
11/11/17 11:23 AM
Joined: Sep 2009
Posts: 500
MD
JACK1440 Offline
mopar
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MD
My World is currently back at World for inspection. I had an oiling issue which ended up in the loss of 4 rods, 2 pistons and 2 bores on the first pass. It appears to me to be a machining error but, I could be wrong. My fingers are crossed on the customer service. Waiting to hear back. The only other issue was there was a lot of clearancing needed for the pushrods with the offset rockers. Also, be careful of the height of the lifter bore bushings. I had a learning experience with those.

Re: INDY VS WORLD ALUMINUM BLOCKS? [Re: JACK1440] #2401871
11/11/17 01:13 PM
11/11/17 01:13 PM
Joined: Mar 2003
Posts: 1,452
N.W. INDIANA
moparjohn Offline OP
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moparjohn  Offline OP
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N.W. INDIANA
Thanks for all the replies from actual users of these blocks!
Here is what I have learned:
1) Both Indy and World have very poor customer service!
2) If buying one of these second hand customer service will not exist!
3) Both Indy and World need expensive machining to be ready to assemble!
4) Now I have heard of oiling problems with both which make me worried
the most!
I would like to hear and learn more!
Thanks! MJ

Re: INDY VS WORLD ALUMINUM BLOCKS? [Re: moparjohn] #2401905
11/11/17 02:14 PM
11/11/17 02:14 PM
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Posts: 4,243
Charlotte, North Carolina
sgcuda Offline
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Charlotte, North Carolina
If you buy a new block, do not buy direct. Buy from one of their suppliers. Some of the Moparts members are suppliers of blocks and heads.


[image][/image]
Re: INDY VS WORLD ALUMINUM BLOCKS? [Re: moparjohn] #2401908
11/11/17 02:23 PM
11/11/17 02:23 PM
Joined: Feb 2006
Posts: 698
Alberta Canada
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Edge Offline
mopar
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Alberta Canada
I have a world aluminum block with a 572 B1 combo assembled roughly 4 years ago. Shortblock was machined and assembled at Ohio Crankshaft bought as a package. Motor was pulled apart before the long block was assembled and the short block checked out fine by my builder. For head gaskets Cometic MLS gaskets fit with out issue. Can't say how it runs as it has never been fired. Its also for sale as I decided on another direction for my car.


76 Duster work in progress
Re: INDY VS WORLD ALUMINUM BLOCKS? [Re: moparjohn] #2402007
11/11/17 05:23 PM
11/11/17 05:23 PM
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Posts: 19,304
Las Vegas
Al_Alguire Offline
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Las Vegas
Jack440 would be curious to hear what exactly was the oiling issue with your block if you care to share..Or what you think may have been the issue. As the one on my Predator engine had an issue as well. Which I documented here when we were screwing it together.


"I am not ashamed to confess I am ignorant of what I do not know."

"It's never wrong to do the right thing"
Re: INDY VS WORLD ALUMINUM BLOCKS? [Re: moparjohn] #2402018
11/11/17 05:59 PM
11/11/17 05:59 PM
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Posts: 500
MD
JACK1440 Offline
mopar
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MD
Al, what is suspected is that in the front of the block at the oil pump is an auxiliary fitting to run an oil line from there to a pickup in the side of the oil pan if you wish. I used an internal pickup. What we found is that when the bore was machined for that aux port to connect with the intake side of the oil pump it broke into the distributor drive gear bore which caused air to get into the system. This was found after it heated rods number 3,4,5 & 6 but the mains were fine. It's still a lot of theory other then we do know of the intersecting bores. We're waiting on World's inspection report. I don't want to sound like I'm bashing World in any way.

Re: INDY VS WORLD ALUMINUM BLOCKS? [Re: moparjohn] #2402099
11/11/17 08:09 PM
11/11/17 08:09 PM
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Posts: 2,603
Stuttgart, Arkansas
rickseeman Offline
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rickseeman  Offline
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Stuttgart, Arkansas
I don't have any experience with the World block but I can tell you the Indy block sucks big time. Your life will be miserable.


2011 Drag Pak Challenger
Re: INDY VS WORLD ALUMINUM BLOCKS? [Re: moparjohn] #2402127
11/11/17 08:51 PM
11/11/17 08:51 PM
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Posts: 1,823
Wind Gap,Pa.
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Sammy Offline
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Sammy  Offline
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Wind Gap,Pa.
Why are the drainbacks so small on the Indy blocks?

Re: INDY VS WORLD ALUMINUM BLOCKS? [Re: Sammy] #2402694
11/12/17 08:20 PM
11/12/17 08:20 PM
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Stuttgart, Arkansas
rickseeman Offline
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rickseeman  Offline
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Stuttgart, Arkansas
Originally Posted By Sammy
Why are the drainbacks so small on the Indy blocks?


Nobody knows that. Why won't a starter fit on an Indy block without you doing a lot of grinding? And guess when you will find that out. Russ can't make changes because he thinks he's the smartest person in the world and his stuff can't be improved. He feels that you are a complete DA.


2011 Drag Pak Challenger
Re: INDY VS WORLD ALUMINUM BLOCKS? [Re: moparjohn] #2402728
11/12/17 09:30 PM
11/12/17 09:30 PM
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Posts: 30,945
Oregon
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AndyF Offline
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Oregon
You might just want to take a drive up to Best Machine in the Detroit area and talk to those guys. They can answer your questions and get you set up with a block. I wouldn't even consider buying an aluminum block direct from Indy. Let someone like Best run interference for you. They deal with Indy all the time and know who to talk to and what to order. They also know how to fix the block so it will actually work.

Re: INDY VS WORLD ALUMINUM BLOCKS? [Re: AndyF] #2402751
11/12/17 10:15 PM
11/12/17 10:15 PM
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Posts: 622
sing sing
U
unknown Offline
mopar
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mopar
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Posts: 622
sing sing
Originally Posted By AndyF
You might just want to take a drive up to Best Machine in the Detroit area and talk to those guys. They can answer your questions and get you set up with a block. I wouldn't even consider buying an aluminum block direct from Indy. Let someone like Best run interference for you. They deal with Indy all the time and know who to talk to and what to order. They also know how to fix the block so it will actually work.
^^^^ This

Re: INDY VS WORLD ALUMINUM BLOCKS? [Re: AndyF] #2402754
11/12/17 10:18 PM
11/12/17 10:18 PM
Joined: Feb 2003
Posts: 6,849
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fullmetaljacket Offline
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Second that to BEST.
They have been dealing directly with Indy for some time now and like Andy said, they are aces in correcting the issues from the Mother ship and figuring out the kinks in existing motor packages using the light alloy blocks.
Chuck and Pete know the right stuff.

Re: INDY VS WORLD ALUMINUM BLOCKS? [Re: moparjohn] #2402756
11/12/17 10:24 PM
11/12/17 10:24 PM
Joined: Feb 2010
Posts: 153
MI, USA
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moparmitch Offline
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MI, USA
Yes, Best Machine is the first and last place you need to go...period.

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