High Performance Big Block Cadillacs
November 20, 2017, 10:03:44 AM *
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Author Topic: Coolant in Oil Sucks!  (Read 19279 times)
online170
C2
**
Posts: 58


« Reply #30 on: November 27, 2011, 09:50:14 PM »

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« Last Edit: August 29, 2017, 06:23:04 PM by online170 » Logged
online170
C2
**
Posts: 58


« Reply #31 on: November 27, 2011, 09:56:04 PM »

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« Last Edit: August 29, 2017, 06:23:19 PM by online170 » Logged
MTS Marty
C4
****
Posts: 282


« Reply #32 on: November 28, 2011, 08:12:32 AM »

WITH A .010" CUT

You can get under .035" quench without fear of the piston hitting the head - as described you would have .043 to .047

I would just use the cup plugs in the front - not too deep and stake them. If tapping you will need to grid the plug to shorten it or, as JM stated you will block oil flow
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~JM~
Shop Keeper
C5
*****
Posts: 1853


« Reply #33 on: November 28, 2011, 12:13:39 PM »

Same type of deal as your pic shows. I can't remember what side it is at this point without looking at a Block. It's easy to see which one it is when you look at it.

The cross-over is the 2 passsages that come together in the lifter galley.

~JM~
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PS. You don't have enough cam. Grin

...Summit has a kit for $99.... Shocked
online170
C2
**
Posts: 58


« Reply #34 on: November 28, 2011, 02:33:53 PM »

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« Last Edit: August 29, 2017, 06:23:44 PM by online170 » Logged
~JM~
Shop Keeper
C5
*****
Posts: 1853


« Reply #35 on: November 28, 2011, 05:28:39 PM »

Is this it?

Yes, that is what I call the cross-over.

~JM~
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PS. You don't have enough cam. Grin

...Summit has a kit for $99.... Shocked
online170
C2
**
Posts: 58


« Reply #36 on: December 01, 2011, 02:50:10 PM »

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« Last Edit: August 29, 2017, 06:32:23 PM by online170 » Logged
MTS Marty
C4
****
Posts: 282


« Reply #37 on: December 01, 2011, 04:25:26 PM »

the pistons come with the pins and locks for the bushed rods
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online170
C2
**
Posts: 58


« Reply #38 on: December 05, 2011, 01:27:18 PM »

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« Last Edit: August 29, 2017, 06:23:54 PM by online170 » Logged
online170
C2
**
Posts: 58


« Reply #39 on: December 23, 2011, 05:05:16 PM »

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« Last Edit: August 29, 2017, 06:24:06 PM by online170 » Logged
online170
C2
**
Posts: 58


« Reply #40 on: December 23, 2011, 05:26:33 PM »

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« Last Edit: August 29, 2017, 06:24:15 PM by online170 » Logged
~JM~
Shop Keeper
C5
*****
Posts: 1853


« Reply #41 on: December 24, 2011, 11:41:29 AM »

Nice Christmas score.  Cool

Some good looking hardware you have there. Makes me want to build another engine.

~JM~
Logged

PS. You don't have enough cam. Grin

...Summit has a kit for $99.... Shocked
online170
C2
**
Posts: 58


« Reply #42 on: December 31, 2011, 04:21:43 PM »

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« Last Edit: August 29, 2017, 06:24:24 PM by online170 » Logged
dave brode
C5
*****
Posts: 1074


Best of 11.66, 113.96, 1.59 sixty


« Reply #43 on: December 31, 2011, 05:25:18 PM »

Afaik [fwiw]

Most guys widen and "D" the intake port a little on the short side. Most chamfer the walls at the quench pad way more than you have. Most push the p-rod wall back .080" [or 100" if greedy]

 
Most claim that the exh doesn't need much work, just blend, do the bowls under the seats.


Imo, if an edel or other aftermarket intake is used, the roof should be raised at least .150", and at that amount, it doesn't create that much extra work. It removes the hook in the roof, which matches the approach curve of the stock intake. The edel usually sits too high anyway. If you do this, install the intake, scribe along the top, and then measure down to the new head's port roof to see how far the intake will need raised. It will be less.

You can also check front to back alignment while doing this. Scribe up from port sides on head, transfer said marks to intake, etc. Some ports will be way off front to back [port sides].

My opinion is, you do NOT want to port match on the p-rod side, or the floor, only roof and other side. I leave the intake smaller on floor and p-rod side.

Dave
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3960 lb '71 C-10. 11.7-1 CR 514". PEP I beam rods floating MTS 18cc dish Probes, Elgin solid cam, home ported heads, MTS 2.19/1.84", Potter/Probe shaft rockers, edel 2115, 4781 850. Switch-pitch TH400, 12" 1800/3200 Tri-Shield convertor, 4.30 gears. Best so far of 11.66, 114.8 mph and 1.59 sixty
dave brode
C5
*****
Posts: 1074


Best of 11.66, 113.96, 1.59 sixty


« Reply #44 on: December 31, 2011, 05:32:56 PM »

1st pic shown lines at roof, bottom line is stock, 2nd line is apx where roof will be if raised .150" or so. New roof angle will be MUCH closer to matching edel.

2nd pic shown how chamber wall is normally laid back at quench pad.

I hate grinding cast iron. Too cheap to buy alum...

Dave
 


* Dec12004.JPG (126.96 KB, 880x660 - viewed 283 times.)

* Aug25#02.JPG (117.96 KB, 680x510 - viewed 277 times.)
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3960 lb '71 C-10. 11.7-1 CR 514". PEP I beam rods floating MTS 18cc dish Probes, Elgin solid cam, home ported heads, MTS 2.19/1.84", Potter/Probe shaft rockers, edel 2115, 4781 850. Switch-pitch TH400, 12" 1800/3200 Tri-Shield convertor, 4.30 gears. Best so far of 11.66, 114.8 mph and 1.59 sixty
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