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post #1 of 27 (permalink) Old Apr 27th, 09, 03:49 PM Thread Starter
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Question My camel hump heads

Hi all,
I have a 1978 Z28 camaro that I am in the middle of restoring.. This car is sweet. I have the build sheet found it behind the rear seat.. It is in great condition too. I bought a 350 race engine with camel hump 202?? heads.. the heads don't have holes for the air and power steering pullies.. I just know all of you know about this ,but was a huge suprise to me and now I need the coolest,cheapest,fast fix as I want to keep these heads!!!!
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post #2 of 27 (permalink) Old Apr 27th, 09, 04:14 PM
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Re: My camel hump heads

The cheapest fix would probably be to buy a new set of heads...I have been through a similar situation and that is eventually what I ended up doing. New vortec heads are cheap and powerful.
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post #3 of 27 (permalink) Old Apr 27th, 09, 04:36 PM
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Re: My camel hump heads

Not going to be easy.
Like Gambitt said, the cheapest and easiest way is late model heads.

Otherwise You will have to search for a combination of brackets and pulleys for a short water pump. And even then, some of those brackets mounted to the stock intake manifold and the stock exhaust manifolds.

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post #4 of 27 (permalink) Old Apr 27th, 09, 04:57 PM
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Re: My camel hump heads

drill and tap the heads so you can attach the brackets.

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post #5 of 27 (permalink) Old Apr 27th, 09, 05:30 PM
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Re: My camel hump heads

I had a machine shop drill accessory holes before. It was no big deal to them.

'67 rs - ordered new by my Grandfather
327 L30, K-K, Deluxe int, tach & gauges, 12 bolt posi, 4 speed.
the Melrose rs - L30 327/275hp
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post #6 of 27 (permalink) Old Apr 27th, 09, 05:33 PM
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Re: My camel hump heads

Since the heads are not machined flat you will need to shim the brackets after drilling
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post #7 of 27 (permalink) Old Apr 27th, 09, 05:48 PM
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Quote:
Originally Posted by Melrose RS View Post
I had a machine shop drill accessory holes before. It was no big deal to them.
It becomes a 'big' deal the minute you hit the water jacket though
The heads are also not thick enough to sustain the bolt threads over the long run, the factory castings were reinforced in this area to allow the heads to carry the fasteners and loads.

There are several small serpentine belt systems that only use the water pump and lower water pump / block holes.
One of these set-ups would allow you to retain the heads.
Here is one example - http://www.dunebuggy.com/shop/index....urnTo=FEATURED

You can also use the March #22020 system and the optional #20122 rear mount bracket for the alternator for use with heads without bolt holes.
The system will run @$500~600 depending on where you get it.

So obviously, the good advice given above - about just changing to a good set of later heads - would run about the same $$$ by the time you're done...

Hope this helps:

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Last edited by Vintage 68; Apr 27th, 09 at 05:58 PM. Reason: one 't' in water...
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post #8 of 27 (permalink) Old Apr 27th, 09, 05:55 PM
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Re: My camel hump heads

Sorry, but these humper heads cannot be drilled for accessories, way too risky to even attempt!.....I'm afraid you'll need a new set of aftermarket cylinder heads!
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post #9 of 27 (permalink) Old Apr 27th, 09, 06:13 PM Thread Starter
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Re: My camel hump heads

so tell me about these vortech heads???
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post #10 of 27 (permalink) Old Apr 27th, 09, 06:20 PM
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Re: My camel hump heads

Quote:
Originally Posted by bluchevygrl69 View Post
so tell me about these vortech heads???
You must remember, this type of cylinder head will require a different intake manifold and valve covers, maybe more....
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post #11 of 27 (permalink) Old Apr 27th, 09, 06:23 PM
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Re: My camel hump heads

Quote:
Originally Posted by jr68 View Post
drill and tap the heads so you can attach the brackets.
This is what I did with mine.

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post #12 of 27 (permalink) Old Apr 27th, 09, 06:26 PM
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Re: My camel hump heads

Quote:
Originally Posted by bluchevygrl69 View Post
so tell me about these vortech heads???
meh, i wouldnt get them, you can get a much better set out there
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post #13 of 27 (permalink) Old Apr 27th, 09, 06:41 PM
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Re: My camel hump heads

True, there are other alternatives. Any good modern set of cast iron or aluminum heads would be great. I did forget that I had to buy an intake and new valve covers. Probably buying a new set of traditional heads you can use your existing parts with would be the best option. Summit racing and Jegs both carry these heads. Expect to spend $500 and up on a new set of heads, but that is still better than having an old set reworked.
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post #14 of 27 (permalink) Old Apr 27th, 09, 06:54 PM
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I am not sure what the '78 Camaro needs for accessory holes, but my '69, only needed one bolt hole drilled and tapped for the alternator. This was done in '99 and is still holding. I doubt water is anywhere near this one hole.

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post #15 of 27 (permalink) Old Apr 27th, 09, 07:03 PM
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Re: My camel hump heads

Quote:
Originally Posted by TJS69 View Post
I am not sure what the '78 Camaro needs for accessory holes, but my '69, only needed one bolt hole drilled and tapped for the alternator. This was done in '99 and is still holding. I doubt water is anywhere near this one hole.
You jogged my memory. Same case as mine.

'67 rs - ordered new by my Grandfather
327 L30, K-K, Deluxe int, tach & gauges, 12 bolt posi, 4 speed.
the Melrose rs - L30 327/275hp
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