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How in the heck to do i pull my heads off??

Old Sep 29, 2000 | 03:26 PM
  #1  
Mike '91 Z28's Avatar
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From: Concord, CA
How in the heck to do i pull my heads off??

I have got all the bolts(17) off both heads and I just cannot pry, pull, pound, the sucker off. What would you guys reccomend?
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Old Sep 29, 2000 | 03:30 PM
  #2  
MRZ28HO's Avatar
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From: was: Palmdale, Ca
Car: was: 1984 Camaro Z28
Engine: was: L69
Transmission: was: 700-R4
Are you positive all the necessary hardware is removed? If yes, then use a flat blade screw driver (big one. ) and pry on the mating surface of the cylinder head (front or rear) with the block as support. Becarefull not to damage anything or yourself, you'll need elbow grease. What's holding the head is the gasket, which has no "air" in between the head and block, that is sticking and holding the cylinder head.

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George P. Lara
1994 Z28 LT1 T56
1984 Z28 High Output
Member: SCCA, SCFB, SC3GFB
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Old Sep 29, 2000 | 03:43 PM
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Mike '91 Z28's Avatar
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From: Concord, CA
there are only 17 bolts per head right? Im pretty sure because i have 34 new bolts. I believe i have removed everything. Is there anything holding the head down on the back of the head between the firewall? I gave the head a couple of whacks with a mallot and it didn't even budge.
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Old Sep 29, 2000 | 03:55 PM
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fb305svs's Avatar
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From: Oakville, Ct
Car: 1991Firebird T/A
Engine: 350
Transmission: Modified Viper t-56
Axle/Gears: dana 44, 3.55
HAHAHAHA!!! dammit i hate taking heads off for that reason... ummm just get a big freakin screwdriver, and get it inere, pound it in and then pull up.. just gotta do it till it comes unglued!

Steve
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Old Sep 29, 2000 | 04:02 PM
  #5  
MRZ28HO's Avatar
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From: was: Palmdale, Ca
Car: was: 1984 Camaro Z28
Engine: was: L69
Transmission: was: 700-R4
If you pound it side-to-side, it won't move because of the alignment pins (two per side). So it must come straight up (perpendicular to the head mating surface) for about .125"-.25".
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Old Sep 29, 2000 | 07:13 PM
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AZDave's Avatar
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From: Scottsdale, AZ
Mike,
Put the plugs in and crank the engine over.
The heads will po right off.
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Old Sep 29, 2000 | 08:24 PM
  #7  
AlkyIROC's Avatar
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From: 51°N 114°W, 3500'
Car: 87 IROC L98
Engine: 588 Alcohol BBC
Transmission: Powerglide
Axle/Gears: Ford 9"/31 spline spool/4.86
Stick a big screwdriver or prybar inside the exhaust crossover and pull up. The heads will pop right off.

------------------
Stephen's racing page

87 IROC-Z Pro ET Bracket Race Car and knocking on the SuperPro ET class
383 stroker (carbed) with double hump cast iron heads and pump gas
LS6 Big Block buildup now in progress

Best results before the engine blew up
Best ET on a time slip: 11.857
Best corrected ET: 11.163
Best MPH on a time slip: 117.87
Best corrected MPH: 126.10
Best 60 foot: 1.662

Racing at 3500 feet elevation but most race days it's over 5000 feet density altitude!

Member of the Calgary Drag Racing Association
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