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Engine - General, Exhaust & Induction Topics about the general engine items, exhaust system discussed here & Improving the intake tract - air filter to intake valve.

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Old 10-02-2012, 06:49 PM   #31
Re: My new 782 head VS. My original 782 head  
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Well was thinking that due to core shift in intake ports Im not sure of wall thickness of intake ports so I really just want to get it to what my factory head demensions are.
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Old 10-02-2012, 06:53 PM   #32
Re: My new 782 head VS. My original 782 head  
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Well was thinking that due to core shift that Im not sure of the wall thickness of intake ports. Not sure if there are water jackets close to them. So I was just going to get it as close to the old stock head demensions as I could.
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Old 10-02-2012, 06:56 PM   #33
Re: My new 782 head VS. My original 782 head  
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And if there are any other problems with it such as valve guides. I will use head on car and rent a plane to drop clear waters head through thier roof.
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Old 10-02-2012, 07:24 PM   #34
Re: My new 782 head VS. My original 782 head  
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Originally Posted by planetb View Post
Yup. China bought the head cast for the 2.2 heads. If I recall, they use the head on fork lifts?! Might have just been a rumor that went around 5 or 10 years ago. Head still looks pretty nice for a china head :)
It also supposedly went into some old Audi that they bought the tooling for. But, it's good bet that's a brand spanking new Chinese POS casting...
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Old 10-02-2012, 07:50 PM   #35
Re: My new 782 head VS. My original 782 head  
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Hey Shel. So whats up with getting a smec. was looking at gaetting a FWD P. stage 5. But I here you upgade them as well.
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Old 10-03-2012, 12:28 AM   #36
Re: My new 782 head VS. My original 782 head  
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Hey Shel. So whats up with getting a smec. was looking at gaetting a FWD P. stage 5. But I here you upgade them as well.
FWD sells a computer recalibrated, you plug it in and go. If some more tuning is needed to exchange chips with them. But your letting someone else tune the car.

Shelgame does that too. But the computer of choice he sells the the flashable SMEC. This allows you to make the cal and do your own tuning. However if your not too trusting of your self maybe you don't want to do your own tuning lol.

On China though, last I heard they had a company there called Cherry that sold the 2.2 till 2002 after Chrysler sold the design. That was I believe the 021 head, which isn't that bad. The head you have is different, one made form scratch that sucks. Has new weird ports too. Most likely flows worse too. Not as ugly as the last one posted up, what a train wreck that one was
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Old 10-03-2012, 04:13 AM   #37
Re: My new 782 head VS. My original 782 head  
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Well. Looking like I might use head thats in car now. I have everything I need for getting around 20 psi except an sbec. If Shels price isnt to bad , cant he send one with a good 15 to 20 psi range cal? I dont plan on callibrateing my own stuff. Hard to find time to do what Im doing. but I do have block a head(one way or the other) intake, three bar,larger intercooler. ect ect
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Old 10-03-2012, 08:35 AM   #38
Re: My new 782 head VS. My original 782 head  
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Well. Looking like I might use head thats in car now. I have everything I need for getting around 20 psi except an sbec. If Shels price isnt to bad , cant he send one with a good 15 to 20 psi range cal? I dont plan on callibrateing my own stuff. Hard to find time to do what Im doing. but I do have block a head(one way or the other) intake, three bar,larger intercooler. ect ect
I can, but nothing I do is off-the-shelf; it's all custom to you your build/specs. Send me a PM if you want me to do a cal...
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Old 10-03-2012, 04:12 PM   #39
Re: My new 782 head VS. My original 782 head  
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Ok Looking for around 20 psi of boost.

89 Daytona
2.2
*TIII turbo
*2.5 swing valve
3 in pipe
two piece intake ported for V6 throttle body
larger intercooler
large n/a rad.
3 bar
FFV injectors
Stock head possible with high rpm lifters and better springs(beehive I think)
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Old 01-15-2013, 05:27 PM   #40
Re: My new 782 head VS. My original 782 head  
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Ok so back to my head. heres a few pic.

Heres a pic of retainer lock out of place. Straight from Clear water.
My new 782 head VS. My original 782 head-imag0092.jpg
The Valves seated in place. Before removal.
My new 782 head VS. My original 782 head-imag0103.jpg
The bowels.
My new 782 head VS. My original 782 head-imag0104.jpg
This is the head after shapping ports to match my stock head.
My new 782 head VS. My original 782 head-imag0093.jpg
This is old exhst. valve and lifter on left and new ones on right.
My new 782 head VS. My original 782 head-imag0096.jpg
I need ti check exhuast valve numbers. it seems as though new ones are a hair smaller. And every intake valve had a washer under them.
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Old 01-15-2013, 05:29 PM   #41
Re: My new 782 head VS. My original 782 head  
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oops got two pics reversed. But easy to figure out. I have done all my grinding so far with a dremel tool. When it comes to exhaust header. i will have to go Bigger Faster and Stronger. LOL
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Old 09-29-2013, 07:44 AM   #42
Re: My new 782 head VS. My original 782 head  
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I've had a few 782s and, with the last one I used in an INSANE GLHS(396FWHP),
I ported the runners VERY-VERY far!
Here's a couple pics I found on the internet which helped me when porting the runners:
Intake:


Exhaust:


There's a great thread on it over at TM:
cut away view of cylinder head

Anyway;
Keep it thorough for the members who'll use it for a guide bro(Like me)!
Best of luck to you on the 89!!!
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Old 09-29-2013, 08:03 AM   #43
Re: My new 782 head VS. My original 782 head  
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Thanks. Looking for a porting kit and wondering if a dremal with flexible extension would work.
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Old 09-29-2013, 08:20 AM   #44
Re: My new 782 head VS. My original 782 head  
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Originally Posted by 89TonaVa View Post
Thanks. Looking for a porting kit and wondering if a dremal with flexible extension would work.
Well, if you've got compressed air, I highly recommend a Die grinder(preferably a straight body one).
The dremel is nice for finishing work but for the "heavier" porting, the grinder is the ticket.

What you're looking for is removal of ANY hard angles in the combustion chambers and ports.
Basically, any "edge" that'll inhibit air flow.

SMOOTH is the KEY word here.
Even the little edge around the spark plug boss in the combustion chamber.
(great spot for the dremel)

If you check on-line, there are several pics of ported782 heads.
Surely you'll find enough to use as a "guide".
And, you can go as far as YOU decide then.

Porting tools are available on eBay(not the greatest of tools but, you're not machining aluminum heads for a living).
I bought a set of these:
6 Pcs 10mm THK Tungsten Carbide Rotary Aluminum Cut Burr 6mm Shaft 150mm Bcdefl | eBay
Remember: there are specially designed porting bits for ALUMINUM called NON-FERROUS bits.
If you use the "ferrous" bits, they'll clog with material as you grind and become a smooth ball that does nothing.

And after using them, I intend to use this set for finishing:
(Summit Racing)
http://www.summitracing.com/parts/sai-260006

Best wishes on the porting.
If you were thinking about sending it to a shop, I'll tell you this in advance;
Porting work takes a LONG-LONG time(even for experienced machinists).
That time costs money.
LOTS and LOTS and LOTS of money.
So, if you've got time, why not take a stab at it yourself and see what you can do?
VERY IMPORTANT TO KEEP IN MIND:
When you machine the combustion chambers and ports,
BE SURE TO CHECK THE VOLUME OF EACH AND MATCH THEM TO ONE ANOTHER.


Keep us all updated.
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Old 09-29-2013, 08:37 AM   #45
Re: My new 782 head VS. My original 782 head  
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Heres what Im thinking.My new 782 head VS. My original 782 head-wheretoport1.jpg

My new 782 head VS. My original 782 head-wheretoport2.jpg Im a little to close to seat on exhaust port .
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