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77 04 marked head? what the heck is this
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Chickensoup
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PostPosted: Thu Aug 15, 2019 5:09 pm    Post subject: 77 04 marked head? what the heck is this Reply with quote

hello, on one of my previous engine it had differently stamped dp heads. one is a normal 375 A marked head while the other isnt. the other head literally only says 77 04 and thats it. is this some sort of china head? i cant find any Volkswagen stamping or any aftermarket logos on it.

thanks
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Chickensoup
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PostPosted: Mon Oct 28, 2019 10:53 am    Post subject: Re: 77 04 marked head? what the heck is this Reply with quote

Im trying to bring this back to see if i can get any answers. Im guessing its a china head?
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-'85 c10 5.3 LS, 222 cam, long tubes, x pipe, 3 inch spin tech's
-'05 B5.5 TDI Wagon 17in sport rims ;EGR + BSM + ASV Delete, Stage-2 Tune, straight pipe
'65 Tourist Delivery Build
'66 RIP
'69 RIP
Hosea 4:6 "My people are destroyed for lack of knowledge"
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PostPosted: Mon Oct 28, 2019 11:15 am    Post subject: Re: 77 04 marked head? what the heck is this Reply with quote

Chickensoup wrote:
hello, on one of my previous engine it had differently stamped dp heads. one is a normal 375 A marked head while the other isnt. the other head literally only says 77 04 and thats it. is this some sort of china head? i cant find any Volkswagen stamping or any aftermarket logos on it.

thanks


Picture? Is that on the top of the exhaust port flange?
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Chickensoup
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PostPosted: Mon Oct 28, 2019 11:16 am    Post subject: Re: 77 04 marked head? what the heck is this Reply with quote

No, its stamped near the valve springs underneath the valve cover. I dont have a pic right now. Sorry
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-'85 c10 5.3 LS, 222 cam, long tubes, x pipe, 3 inch spin tech's
-'05 B5.5 TDI Wagon 17in sport rims ;EGR + BSM + ASV Delete, Stage-2 Tune, straight pipe
'65 Tourist Delivery Build
'66 RIP
'69 RIP
Hosea 4:6 "My people are destroyed for lack of knowledge"
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67 Sunroof
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PostPosted: Mon Oct 28, 2019 11:59 am    Post subject: Re: 77 04 marked head? what the heck is this Reply with quote

Guessing you had a valve seat sink in and they replaced the head. Was it on the left side of the engine?
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Chickensoup
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PostPosted: Mon Oct 28, 2019 3:31 pm    Post subject: Re: 77 04 marked head? what the heck is this Reply with quote

Yes, it is the left head. But did the factory replace it orrr?

Thanks
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-'85 c10 5.3 LS, 222 cam, long tubes, x pipe, 3 inch spin tech's
-'05 B5.5 TDI Wagon 17in sport rims ;EGR + BSM + ASV Delete, Stage-2 Tune, straight pipe
'65 Tourist Delivery Build
'66 RIP
'69 RIP
Hosea 4:6 "My people are destroyed for lack of knowledge"
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67 Sunroof
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PostPosted: Mon Oct 28, 2019 3:43 pm    Post subject: Re: 77 04 marked head? what the heck is this Reply with quote

That’s tough to call. Many people had issues with the left side and cooling issues with cylinder 3. It would get hotter than the others. I’m “guessing” you had an issue with #3 and they just replaced the head.
Stock heads aren’t that much. Why does it matter? Are you having issues with it? If not then just run that sucker!
Haha
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Chickensoup
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PostPosted: Mon Oct 28, 2019 3:44 pm    Post subject: Re: 77 04 marked head? what the heck is this Reply with quote

Oh, i will run it for sure Very Happy i was just curious on what the quality was
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-'85 c10 5.3 LS, 222 cam, long tubes, x pipe, 3 inch spin tech's
-'05 B5.5 TDI Wagon 17in sport rims ;EGR + BSM + ASV Delete, Stage-2 Tune, straight pipe
'65 Tourist Delivery Build
'66 RIP
'69 RIP
Hosea 4:6 "My people are destroyed for lack of knowledge"
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67 Sunroof
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PostPosted: Mon Oct 28, 2019 3:49 pm    Post subject: Re: 77 04 marked head? what the heck is this Reply with quote

Check the head section for reference. China head? I would imagine that wouldn’t be too bad imo. Oh the CAR parts!!! Yeah check it out.
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buguy
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PostPosted: Mon Oct 28, 2019 3:53 pm    Post subject: Re: 77 04 marked head? what the heck is this Reply with quote

I don't have it with me but I believe I have a 77 in one of my heads too.
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Chickensoup
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PostPosted: Mon Oct 28, 2019 3:53 pm    Post subject: Re: 77 04 marked head? what the heck is this Reply with quote

Maybe its an empi special?
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-'85 c10 5.3 LS, 222 cam, long tubes, x pipe, 3 inch spin tech's
-'05 B5.5 TDI Wagon 17in sport rims ;EGR + BSM + ASV Delete, Stage-2 Tune, straight pipe
'65 Tourist Delivery Build
'66 RIP
'69 RIP
Hosea 4:6 "My people are destroyed for lack of knowledge"
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buguy
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PostPosted: Mon Oct 28, 2019 6:42 pm    Post subject: Re: 77 04 marked head? what the heck is this Reply with quote

I will look at mine but I'm pretty sure it says VW on it.
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