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Re: World VS INDY alum blocks #146683
06/14/10 03:43 PM
06/14/10 03:43 PM
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Salt Lake City
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camastomcat Offline
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Accusump solves this problem. I've been running them for several years now on both cars. No more oil pressure issues. It still drops, but maybe to 30 not 0.

Re: World VS INDY alum blocks [Re: 605hemi] #146684
06/14/10 05:21 PM
06/14/10 05:21 PM
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Eighty Four, PA
B G Racing Offline
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Quote:

it is the oil return holes in block at the four corners of deck surface
you are correct they are offset from the head holes about half the hole and much smaller than the head holes
from looking at world and kieth black they have corrected this but not indy
wondering if I could drill them bigger without causing water jacket problems




That's what I thought,we usually make sure they are clear,put .050 restricters to the rockers and install a 3 quart Accusump.If the issue presist we drill and tap the lower head area about 1/3 the way from the front and back and run two external return lines to the pan on each side of the engine.

Re: World VS INDY alum blocks [Re: B G Racing] #146685
06/14/10 09:14 PM
06/14/10 09:14 PM
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arizona
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605hemi Offline
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thanks for the input
I think I have something to work with now
I always like to get more than a few opinions and ideas on an issue like this.
I am tired of taking this thing apart after 3 passes to find rod bearings out

Re: World VS INDY alum blocks #146686
06/15/10 12:08 AM
06/15/10 12:08 AM
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aotearoa
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Quote:


it releases the 3 qt. any time the engine oil presure drops




umm, you'll need to tell me how all the 3 quarts is going to be released out of the accusump when released. i've done lots of pressure testing using water, you fill to the top with water then squeeze more water on top till the required pressure is obtained. when you release the pressure, only the extra water that was required to reach the pressure escapes which in say 3 quarts might be 1/2 a quart extra to make 80 psi. now i know we're referring to oil here but the characteristics will be the same. you will not get the 3 quart capacity of the accusump escaping into the pressurised oil system unless there's something else to displace the oil in the accusump, you'll be lucky to get 1/2 a quart at the most, depending on the system pressure. if the accusump was pressurised by a gas then you'll get more oil out of the accusump but since from what i can understand, you pressurise an accusump with oil pressure by giving the engine some rpm & then closing the valve. maybe i need to clean my glasses but i'm not seeing it. all i can see is a brief period of extra pressure but not an extra 3 quarts majicly entering the oil system.

Re: World VS INDY alum blocks [Re: rebel] #146687
06/15/10 12:32 AM
06/15/10 12:32 AM
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Rock Springs
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Quote:

Quote:


it releases the 3 qt. any time the engine oil presure drops




umm, you'll need to tell me how all the 3 quarts is going to be released out of the accusump when released. i've done lots of pressure testing using water, you fill to the top with water then squeeze more water on top till the required pressure is obtained. when you release the pressure, only the extra water that was required to reach the pressure escapes which in say 3 quarts might be 1/2 a quart extra to make 80 psi. now i know we're referring to oil here but the characteristics will be the same. you will not get the 3 quart capacity of the accusump escaping into the pressurised oil system unless there's something else to displace the oil in the accusump, you'll be lucky to get 1/2 a quart at the most, depending on the system pressure. if the accusump was pressurised by a gas then you'll get more oil out of the accusump but since from what i can understand, you pressurise an accusump with oil pressure by giving the engine some rpm & then closing the valve. maybe i need to clean my glasses but i'm not seeing it. all i can see is a brief period of extra pressure but not an extra 3 quarts majicly entering the oil system.



Wrong
Delta P
It see's differential pressure..nothing more. It can and will release the whole contents if the pressure diff is still unequal.


[color:"red"]65 Hemi Belvedere coming soon [/color]
[color:"#00FF00"]557" Indy engine 1.07 60ft 144mph in the 8th 2100 lbs package [/color]
Post deleted by Defbob [Re: Bob_Coomer] #146688
06/15/10 01:59 AM
06/15/10 01:59 AM

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Re: World VS INDY alum blocks #146689
06/15/10 04:08 AM
06/15/10 04:08 AM
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aotearoa
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Quote:

THE ACCUSUMP IS PRESURIZED WITH AIR BEHIND THE CYLINDER. IT PUSHES OUT THE OIL



ok thats the bit i didn't know. cheers for clearing that bit up. do they have a diaphram or something seperating the 2?

Re: World VS INDY alum blocks [Re: kens avenger] #146690
06/15/10 08:13 PM
06/15/10 08:13 PM
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NC
440Jim Offline
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Ken,
Does the Indy max block require a special oil pan? That gasket doesn't fit both blocks, so it looks like the oil pan would need to be special too. ???

Post deleted by Defbob [Re: 440Jim] #146691
06/15/10 08:21 PM
06/15/10 08:21 PM

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Re: World VS INDY alum blocks #146692
06/15/10 08:29 PM
06/15/10 08:29 PM
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NC
440Jim Offline
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Quote:

I have seen wide pans the fit regular blocks. the bolts were installed thru tubes welded into the pan


That sounds like a custom pan to me. Welding tubes, etc. The wide pan might be a good idea, I am just asking if we are comparing common parts to special parts. If a racers is upgrading to a new block and has all the other parts (oil pan), is he in for a surprise that it won't fit? And vice versa from a racer with a broke Indy Maxx block changing to a MP block. Full disclosure.

And IMO, if somebody is making a special block that is wider at the bottom, they should have real 4 bolt main caps, not just side bolted. Then the full advantage of the wider skirt would be used with all the special parts that are needed for it.


1993 Daytona, 5.50 at 130mph (1/8) 1.19 sixty ft (PG). Link to 572 B1 - Part 1
Re: World VS INDY alum blocks [Re: 440Jim] #146693
06/16/10 01:22 AM
06/16/10 01:22 AM
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Finalnd, Perkele
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At least my block has got both the factory and the wide bolt pattern, so you can use a stock pan, or a custom wide pan.


Plynouth VIP '67 TT IC EFI
Re: World VS INDY alum blocks [Re: 440Jim] #146694
06/16/10 10:06 AM
06/16/10 10:06 AM
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Rock Springs
Bob_Coomer Offline
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Jim
Just to make sure you have the correct info.
The Indy Maxx block will except standard oil pan pattern without modification. Standard gaskets was used on my block.
No question the strength of the Indy Maxx block has bottom end strength...Anyone who has pulled main caps on these thing can attest.
No way those main caps can go anywhere. Even with the bolts out as strong as I am, i cannot pull a main cap using my hands.
I used a slide hammer to remove those.
Now this World Block looks stronger, but the main caps come out easy. Of coarse this is just a iron block, but still.
I dont see a problem with either making up to 1200 hp.
I mean It shouldn't be a question of strength for our engines, unless we run NOS, most dont have the heads to support that kind of power.

So whats the availability of the KB block now? In my case a KB block would have been the same amount of money in the end.
When I was told by Ken Black the wait would be 3-5 month for a block. I just couldnt wait that long.
Anyways as far as cost goes. This World block was cheaper to correct in the end.
The Indy Maxx block was $4300 or so, which came rough bore, and decks.
It took a good bit of work to be washed and ready for assembly.
Best Machine finished this block for me, and the final bill was about $1100.
Now the price diff between the KB and Indy was minimal.
This World block was finished rather OK over all.
The bores needed honed of coarse for piston fit. The decks were square, but I milled those to get my desired compression ratio.
I had two main bores that were not perfect. Again some might have ran it, but I choose to hone the mains to make them perfect as possible.


[color:"red"]65 Hemi Belvedere coming soon [/color]
[color:"#00FF00"]557" Indy engine 1.07 60ft 144mph in the 8th 2100 lbs package [/color]
Re: World VS INDY alum blocks [Re: B G Racing] #146695
06/16/10 10:14 AM
06/16/10 10:14 AM
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Mo.
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That's what I thought,we usually make sure they are clear,put .050 restricters to the rockers and install a 3 quart Accusump.If the issue presist we drill and tap the lower head area about 1/3 the way from the front and back and run two external return lines to the pan on each side of the engine.

Is oil return a problem with B1 heads?

Re: World VS INDY alum blocks [Re: supercomp] #146696
06/16/10 10:27 AM
06/16/10 10:27 AM
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Posts: 9,910
Eighty Four, PA
B G Racing Offline
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Quote:

That's what I thought,we usually make sure they are clear,put .050 restricters to the rockers and install a 3 quart Accusump.If the issue presist we drill and tap the lower head area about 1/3 the way from the front and back and run two external return lines to the pan on each side of the engine.

Is oil return a problem with B1 heads?




We have limited experience with the B-1s,but we found that getting proper oil to the rockers was a pia and yes we installed external oil drainback lines on the B-1s.If we didn't then the amont of oil at the valve spring seats was a large volume until it got high enough to drain to the lifter valley.

Re: World VS INDY alum blocks [Re: B G Racing] #146697
06/16/10 11:28 AM
06/16/10 11:28 AM
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Mo.
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We have jesel individual shaft rockers and drainback hoses (4). No problems on stock block.

Re: World VS INDY alum blocks [Re: 440Jim] #146698
06/17/10 10:45 PM
06/17/10 10:45 PM
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Tampa Fl
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kens avenger Offline OP
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Quote:

Ken,
Does the Indy max block require a special oil pan? That gasket doesn't fit both blocks, so it looks like the oil pan would need to be special too. ???





you can see in the pic. Its wider, no a stock type pan will not work on mine.The pan I have caused the problems with me and INDY.. not gonna go into it.. as said from Fred it does have tubes on one side to install the bolts.. gonna toss this out .. Anyone seen the main webbing pulled out on a indy max block. I know someone that used alot of Nitrous and it happened to one of his blocks. these where early production blocks.. don't get in here that much anymore.. Hope everyone is doing Good


Remember in here some don't think you should have a Opinion.. sad fact..
Re: World VS INDY alum blocks [Re: kens avenger] #2549952
09/14/18 01:28 PM
09/14/18 01:28 PM
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Mo.
racerx Offline
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Did a search on blocks and found this thread lots of good info. here if anyone looking to upgrade to a new block. Some of the members are still here I believe.

Re: World VS INDY alum blocks [Re: kens avenger] #2550205
09/15/18 07:51 AM
09/15/18 07:51 AM
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Eighty Four, PA
B G Racing Offline
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The Indy blocks can be ordered with standard or and wide pan configuration.

Re: World VS INDY alum blocks [Re: kens avenger] #2550266
09/15/18 12:04 PM
09/15/18 12:04 PM
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Mo.
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Are the blocks made to order and in stock, if not what are the wait time on these?
(indy that is)

Last edited by racerx; 09/15/18 12:06 PM.
Re: World VS INDY alum blocks [Re: racerx] #2551559
09/18/18 04:05 PM
09/18/18 04:05 PM
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Las Vegas
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Originally Posted By racerx
Are the blocks made to order and in stock, if not what are the wait time on these?
(indy that is)


I was told 8-10 weeks


"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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