Re: INDY VS WORLD ALUMINUM BLOCKS?
[Re: moparmitch]
#2402856
11/13/17 01:16 AM
11/13/17 01:16 AM
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Joined: Jan 2003
Posts: 6,354 Aurora, Oh.
max_maniac
master
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master
Joined: Jan 2003
Posts: 6,354
Aurora, Oh.
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Yes, Best Machine is the first and last place you need to go...period. And another vote for Best!! They just did my 572 and it is a work of art and runs even better then I expected!
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Re: INDY VS WORLD ALUMINUM BLOCKS?
[Re: moparjohn]
#2404955
11/17/17 01:52 PM
11/17/17 01:52 PM
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Joined: Jan 2003
Posts: 19,385 Las Vegas
Al_Alguire
I Live Here
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I Live Here
Joined: Jan 2003
Posts: 19,385
Las Vegas
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Guess I need to clarify since I am the "misinformed tech" person. The area I refer to is the are supporting the sleeve, or the water jacket area, I said nothing about the sleeve thickness. I have had the unfortunate instance of having dealt with two blocks with damaged sleeves. One KB and one Indy. The water jacket area on the Indy is extremely thin, at least on my older Indy block. So thin in fact we could not get it welded to repair the area. I have a pic somewhere but in my block it was approx. .020" thick. Maybe I got a bad block, maybe its better now but it was so thin it could not be repaired by welding it back up. I lost a sleeve on a KB block and it also went through the water jacket area that supports the sleeve. It was repairable and that area while not exactly thick was .090" and we were able to weld it back up and use the block again.
So I will continue to share what I have personally found using these blocks. Instead of spreading misinformation on the net....
"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: INDY VS WORLD ALUMINUM BLOCKS?
[Re: moparjohn]
#2405413
11/18/17 01:09 PM
11/18/17 01:09 PM
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Joined: Jan 2003
Posts: 19,385 Las Vegas
Al_Alguire
I Live Here
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I Live Here
Joined: Jan 2003
Posts: 19,385
Las Vegas
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It might seal it off yes. I seem to recall back in the day the KB stuff was wet sleeved and was notorious for leaking?!? That area supplies some support for the sleeve as well. The KB block block got repaired and are in use now. It was fairly straight forward, welded in the piece that was broken out and it runs with block sealer just to make sure. The Indy ended up getting partially filled and the sleeve epoxied in and uses block sealer. It has been sitting ever since. Just have not put it back to use. I just don't feel right selling it to someone as an unknown deal. Will likely end up in a street car project for me at some point.
Both of them I purchased from people as complete engines, one brand new the other used. The Indy block engine was used and we ran it to finish a season, well it didn't quite make it and came apart. Likely was just older than advertised. The KB block was a new engine that was only run on the dyno when purchased, built by a recognizable builder. He missed something on assembly that ended up destroying the engine. Morale of the story buyer beware..Anything I buy now complete will be taken apart and thoroughly looked over before it is put into service.
"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: INDY VS WORLD ALUMINUM BLOCKS?
[Re: moparjohn]
#2406209
11/20/17 02:56 AM
11/20/17 02:56 AM
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Joined: Oct 2004
Posts: 3,097 back in Georgia
dthemi
master
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master
Joined: Oct 2004
Posts: 3,097
back in Georgia
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Ive built, and ran the 3 mentioned here. What al is saying about cylinder support in the indy is the same we've seen, and the sleeves move around, and power suffers. They seem to be ok at 1000hp if the bore is no bigger than 4.53. More bore, or more power, and it starts. Also better bush the lifters.
The world has the weakest web of all.
The KB is the toughest by far, and the best oiling as made, but you still need to work on it.
Repairing the paper thin sleeve supports we've done several times by milling out the whole thing, and welding a plate in so you're welding on the ends where it's thick, then boring the sleeve holes again. Trying to weld up between, or on the fronts is a crap shoot as to whether or not it'll hold.
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Re: INDY VS WORLD ALUMINUM BLOCKS?
[Re: moparjohn]
#2407757
11/23/17 09:56 AM
11/23/17 09:56 AM
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Joined: Mar 2003
Posts: 1,629 pa
572charger
top fuel
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top fuel
Joined: Mar 2003
Posts: 1,629
pa
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indy block in mine for about 3 yrs no problems so far got mine from BOB GEORGE !!! WE WILL PUT IT TO THE TEST NEXT YEAR !!! i have a f-2 procharger on it hope to make 1200 - 1400 hp !!!
606 hemi pump gas best 9.60 at 142mph on motor 05 hemi daytona 1500 go-mango 4wd quadcab 2007 hotrod mag pump gas drags runner up, roadkill nights dodge big tire winner 2018 2019 back to back
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Re: INDY VS WORLD ALUMINUM BLOCKS?
[Re: moparjohn]
#2407762
11/23/17 10:29 AM
11/23/17 10:29 AM
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Joined: Oct 2004
Posts: 3,097 back in Georgia
dthemi
master
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master
Joined: Oct 2004
Posts: 3,097
back in Georgia
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The two latest indy block motors I built follow the same trend I've seen for a very long time. The first was a millennium head hemi that made as I recall 1180, while on the dyno power started falling off. Couldn't find a thing wrong, but decided to pull it apart and see. Found 3 cylinders way out of round. Re honed it, and power came right back, for 2 pulls, and back down it went, but not as far as before.
The second was a nitrous motor, that from the looks of it probably made 750-800NA, with a 350 shot in the fogger. When I tore it down to build it some cylinders were so out of round they had galled up the pistons in places. one cylinder was .007 out of round. The worst out of round I've ever seen save an explosion. I re built it as an NA single 4, and made 970. Power was stable when it came off the dyno.
All the indy blocks I've done have been fine at or around 1000, much more, and they've all suffered. That's just my experience with them.
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Re: INDY VS WORLD ALUMINUM BLOCKS?
[Re: dthemi]
#2407781
11/23/17 11:46 AM
11/23/17 11:46 AM
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Joined: Mar 2006
Posts: 2,675 Mt. Eden Ky.
Hemi Allstate
master
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master
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Mt. Eden Ky.
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All the indy blocks I've done have been fine at or around 1000, much more, and they've all suffered. That's just my experience with them. [/quote] What have you seen from the World blocks in similar circumstances? Thanks, Mark Happy Thanksgiving !
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
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Re: INDY VS WORLD ALUMINUM BLOCKS?
[Re: moparjohn]
#2407816
11/23/17 01:16 PM
11/23/17 01:16 PM
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Joined: Oct 2004
Posts: 3,097 back in Georgia
dthemi
master
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master
Joined: Oct 2004
Posts: 3,097
back in Georgia
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I bought two aluminum worlds that had known issues with rear seal alignment. After fixing that, one became a street hemi that only made 700. The other was 588 done for nitrous, that hasn't been sprayed yet. The motor made 915 na and has 2 kits on it. I suspect from what the web is like in the block, the second kit, if ever used will cause some issues with the block.
When you compare all the available aluminum blocks, a KB is by far the toughest one out there. The deck, and valley support is un matched, and the web is thick, and well supported.
Since they all cost about the same when you're finished, for me the KB is the way to go. Having to bet money on what will take the most power without failing in some way, the KB would be first, then the indy, then the world.
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