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8v and 16v block

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Offline Ddog87

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8v and 16v block
« on: June 05, 2005, 04:23:40 PM »
Are the 16v and 8v blocks the same ?? Thanks
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Offline mrfuelish

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Re: 8v and 16v block
« Reply #1 on: June 05, 2005, 06:08:55 PM »
I think the blocks are but the pistons are diffrent, the 16 valve has four valve reliefs on each piston. also the crank on the 16v might be stronger?
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Offline wildgoody

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Re: 8v and 16v block
« Reply #2 on: June 05, 2005, 06:21:04 PM »
The blocks are identical, there are
some minor differences in the oil
pump, the 16V oil pump had a crank
position sensor, the 8V does not.

The 16V crank has counter weights
on both sides of the throw, the 8V
has only on one side, I think the 16V
crank would be a little smoother in running
but as far as strength, I see little difference.

The cranks have hollow spots in the throw,
looks wierd, you can look through the throw,
I was wondering if there is a replacement
forged or steel crank available, or is this
something that even has a need ???

Wild
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Offline mrfuelish

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Re: 8v and 16v block
« Reply #3 on: June 05, 2005, 07:08:10 PM »
I bet the oil pump you have is 1995 or newer obdII stuff
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1987,1988,1988,1990 samurai's,  1953 m38a1,  1996 x-90,blue.1996 x-90 red.1994 2 door tracker.   only Dead Fish go with the flow.                No Hairy Nosed Wombats were ran over on the trail today.       My ZUK is Xenophobic.
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Offline wildgoody

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Re: 8v and 16v block
« Reply #4 on: June 05, 2005, 07:12:08 PM »
Was 95 the eirst year of the 16V ?
I was planning on using the CPS for
the MegaSquirt II Computer to give it
Spark Control info, spark control and
boost retard, I bet I can get a little more
power wiht the milled pistons and some
Computerized spark settings

Wild
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Offline cj

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Re: 8v and 16v block
« Reply #5 on: June 05, 2005, 07:34:46 PM »
In OZ the 16v was always in the LWB (mine's a '93) and went into the SWB halfway thru '94.
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Offline Ddog87

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Re: 8v and 16v block
« Reply #6 on: June 06, 2005, 05:49:43 AM »
Soooo the block is the same ??? Can I just put the head off a 16v onto a 8v block? The rig I just bought has a hole in the block. Thanks
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Offline HUMZUKI

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Re: 8v and 16v block
« Reply #7 on: June 06, 2005, 08:58:02 AM »
Quote
Soooo the block is the same ??? Can I just put the head off a 16v onto a 8v block? The rig I just bought has a hole in the block. Thanks




Aparently that works,,, it just becomes an interferance engine. I don't think there's much of a gain either. You might be better with a 1.3 head actually (you gain a little compression that way). I here they run better with out holes in them though too ;) ;D
« Last Edit: June 06, 2005, 08:58:58 AM by HUMZUKI »
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Offline Ddog87

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Re: 8v and 16v block
« Reply #8 on: June 06, 2005, 11:34:54 AM »
  GEE THANKS :P But if it didn't have holes in them how would you get fuel in or exhuast out ;D ;D
« Last Edit: June 06, 2005, 11:35:56 AM by ddog87 »
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Offline DaddyDave

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Re: 8v and 16v block
« Reply #9 on: June 06, 2005, 11:56:56 AM »
how about a stroker motor?  1.3L block with 16 valve crank?  Or is it not worth the time... ???
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Offline mrfuelish

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Re: 8v and 16v block
« Reply #10 on: June 06, 2005, 12:28:42 PM »
I know that they made them in 1992 mine is a 94 and does not have the crank sensor, if you use an 8 valve block you need to use the 16 valve pistons or you might bend a few valves, get an esteem engine and put in there with you other parts on the top end that are diffrent.
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1987,1988,1988,1990 samurai's,  1953 m38a1,  1996 x-90,blue.1996 x-90 red.1994 2 door tracker.   only Dead Fish go with the flow.                No Hairy Nosed Wombats were ran over on the trail today.       My ZUK is Xenophobic.
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Offline zaggy

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Re: 8v and 16v block
« Reply #11 on: June 06, 2005, 03:58:40 PM »
1992 was the first year in Canada for the 16v, but only in the 4 door.

Zag
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Offline wildgoody

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Re: 8v and 16v block
« Reply #12 on: June 06, 2005, 06:00:46 PM »
Quote
how about a stroker motor?  1.3L block with 16 valve crank?  Or is it not worth the time... ???



I tried that, it would take too much machine work,
the block of a 1.3L is about 1 inch shorter than a
1.6L block, as well as the rod journals are smaller
in a 1.3, the wrist pin is smaller, the rods are shorter,
and the pistons would hit the crank if you made a set
of rods to fit the crank.

Best bet, build a 1.6 and be happy.

Wild
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