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Edelbrock heads core shift????? #145126
11/03/08 03:06 PM
11/03/08 03:06 PM
Joined: Jan 2003
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Tampa, FL
tpabayflyer Offline OP
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Check out these aluminum magnum heads I got last year......
both heads appear to have a bit of core shift on the exhaust port on the right side of the head only.... the exhaust bolt end is actually open
Should I run these or send them back to edelbrock????? TBF

4789889-IMG_0903.JPG (208 downloads)

71 Challenger 528 Hemi project
09 Gr Cherokee 5.7 hemi in da house!!
Re: Edelbrock heads core shift????? [Re: tpabayflyer] #145127
11/03/08 03:11 PM
11/03/08 03:11 PM
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Tampa, FL
tpabayflyer Offline OP
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Look how close the port window is to the left side as opposed to the right.....even the port looks a bit deformed as the shape is not right???

4789902-IMG_0904.JPG (180 downloads)

71 Challenger 528 Hemi project
09 Gr Cherokee 5.7 hemi in da house!!
Re: Edelbrock heads core shift????? [Re: tpabayflyer] #145128
11/03/08 03:12 PM
11/03/08 03:12 PM
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Tampa, FL
tpabayflyer Offline OP
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Here is the other head and it looks even worse...

4789905-IMG_0906.JPG (200 downloads)

71 Challenger 528 Hemi project
09 Gr Cherokee 5.7 hemi in da house!!
Re: Edelbrock heads core shift????? [Re: tpabayflyer] #145129
11/03/08 03:18 PM
11/03/08 03:18 PM
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Tampa, FL
tpabayflyer Offline OP
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The problem is only on the one exhaust hole on each head....... should I worry about this or run them ??? It seems that the open part of the header bolt hole may disrupt flow a bit but I could put a bolt in and blend it smooth with the port wall as I will be taking the valves out and doing some cleanup work. Is this any kind of an issue at all??? TIA TBF

Re: Edelbrock heads core shift????? [Re: tpabayflyer] #145130
11/03/08 03:19 PM
11/03/08 03:19 PM
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California, USA
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blairboy3 Offline
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Core shift on a USA made product? No way possible, that only happens on inferior chinese parts


1968 Plymouth Fury III 4-Door: 12.79 @ 115, 60'- 1.93 (Hey... it's a Cruise ship... what do you expect?!) Famoso Raceway, 02/08
Re: Edelbrock heads core shift????? [Re: blairboy3] #145131
11/03/08 03:22 PM
11/03/08 03:22 PM
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Tampa, FL
tpabayflyer Offline OP
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I just cam back from Sam's and got a case of Orville Redenbachers TBF

Re: Edelbrock heads core shift????? [Re: tpabayflyer] #145132
11/03/08 03:26 PM
11/03/08 03:26 PM
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Santa Cruz, California
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Lefty Offline
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I'm certainly no expert on cylinder heads, but good grief! So much for "Made in America" quality control. I'd send them back. I'd also call and ask to speak to Vic. When asked why, let em have it with both barrels...

Re: Edelbrock heads core shift????? [Re: Lefty] #145133
11/03/08 03:33 PM
11/03/08 03:33 PM
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Michigan
MarkZ Offline
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Quote:

I'm certainly no expert on cylinder heads, but good grief! So much for "Made in America" quality control. I'd send them back. I'd also call and ask to speak to Vic. When asked why, let em have it with both barrels...




Sure, crucify the guy for this single cylinder head we've seen.

If this is a limited run problem, lets judge the company on how they handle the return.

If this is indeed a larger problem, and they've been shipping a large quantity of these with cor shift problems, then brake out the pitch forks.


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Re: Edelbrock heads core shift????? [Re: Lefty] #145134
11/03/08 03:34 PM
11/03/08 03:34 PM
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Tampa, FL
tpabayflyer Offline OP
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Well, I have a set of big block E-heads and they are very nice. I have used many Edelbrock intakes over the years and they are nice products and never had a problem until now. Does anybody have another set of the aluminum magnum heads that we can compare them with??? TBF

Re: Edelbrock heads core shift????? [Re: tpabayflyer] #145135
11/03/08 03:36 PM
11/03/08 03:36 PM
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Tampa, FL
tpabayflyer Offline OP
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I bought these heads last year and I think they were made a few years ago.... TBF

Re: Edelbrock heads core shift????? [Re: tpabayflyer] #145136
11/03/08 03:45 PM
11/03/08 03:45 PM
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U.S.S.A.
JohnRR Offline
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where is this core shift at ?

Re: Edelbrock heads core shift????? [Re: tpabayflyer] #145137
11/03/08 03:50 PM
11/03/08 03:50 PM
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Lincoln Nebraska
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RapidRobert Offline
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I'd call them & politely explain the issue & ask if I could exch them. I'm not sure exactly how bad the problem is but I would do it for sure for peace of mind. The little bit of coin/time it would take would be nothing compared to you knowing when the eng is done that is it AS GOOD AS YOU WANTED IT TO BE.


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Re: Edelbrock heads core shift????? [Re: RapidRobert] #145138
11/03/08 03:53 PM
11/03/08 03:53 PM
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Tampa, FL
tpabayflyer Offline OP
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As these heads are still brand new I wanted to get the expert opinion before I start grinding a bit on them.... TBF

Re: Edelbrock heads core shift????? [Re: tpabayflyer] #145139
11/03/08 04:01 PM
11/03/08 04:01 PM
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Lincoln Nebraska
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RapidRobert Offline
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I looked at the pics again & that looks bad & what about the core shift in areas that you cant see & I was thinking there was a recent thread about a head(s) that was suspect & the guy run it & something(I forgot what) happened right off.


live every 24 hour block of time like it's your last day on earth
Re: Edelbrock heads core shift????? [Re: MarkZ] #145140
11/03/08 04:57 PM
11/03/08 04:57 PM
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Santa Cruz, California
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Lefty Offline
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Quote:

Sure, crucify the guy for this single cylinder head we've seen.




So a customer is supposed to be OK getting crap like that? No way... Edelbrock is supposed to have a quality control department that would never let something out the door like that, no excuses. How could the person/people assembling the head have missed that?

No way that should ever be "OK".

Re: Edelbrock heads core shift????? [Re: Lefty] #145141
11/03/08 05:12 PM
11/03/08 05:12 PM
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California, USA
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blairboy3 Offline
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Quote:

Quote:

Sure, crucify the guy for this single cylinder head we've seen.




So a customer is supposed to be OK getting crap like that? No way... Edelbrock is supposed to have a quality control department that would never let something out the door like that, no excuses. How could the person/people assembling the head have missed that?

No way that should ever be "OK".




I don't think a customer should have to be O.K. w/ this, but Edelbrock does have a good customer service record. I bet they'd take it back w/out any issues so long as they were never installed


1968 Plymouth Fury III 4-Door: 12.79 @ 115, 60'- 1.93 (Hey... it's a Cruise ship... what do you expect?!) Famoso Raceway, 02/08
Re: Edelbrock heads core shift????? [Re: blairboy3] #145142
11/03/08 05:47 PM
11/03/08 05:47 PM
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Bowie, MD
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Reggie Offline
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Quote:

Quote:

Quote:

Sure, crucify the guy for this single cylinder head we've seen.




So a customer is supposed to be OK getting crap like that? No way... Edelbrock is supposed to have a quality control department that would never let something out the door like that, no excuses. How could the person/people assembling the head have missed that?

No way that should ever be "OK".




I don't think a customer should have to be O.K. w/ this, but Edelbrock does have a good customer service record. I bet they'd take it back w/out any issues so long as they were never installed




I think Edelbrock would make it right, and there is no need to get ugly with them right from the jump.

Re: Edelbrock heads core shift????? [Re: JohnRR] #145143
11/03/08 06:03 PM
11/03/08 06:03 PM
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Arkansas
340727dart Offline
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Quote:

where is this core shift at ?






It looks more like someone didn't set up the drill jig properly.
What are the other bolt holes like? Are they centered around the ports?
But, I bet Edelbrock will respond positively for you, as long as you aren't foaming at the mouth as soon as they answer the phone.


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Re: Edelbrock heads core shift????? [Re: tpabayflyer] #145144
11/03/08 06:27 PM
11/03/08 06:27 PM
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Toronto, Ont, Canada
boydsdodge Offline
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I didn't have any luck with customer service at Edelbrock. All I wanted to now or to tell them was what I had found in my heads.
The answer was that "they are race parts and that you are expected to rebuild them before running them, so what did I expect".
I bought a set of S/B closed chambers and had to to a complete valve job because the valves were out as much as .008 in some seats.
then setting up the rocker geometry is another story.( you can't run any factory rockers correctly)
For a bolt on head, it certainly is not.
A pair of heads at $1600.00 ended up costing $3000.00 in the end to get them installed and running, and I did the assembly work.
Custom shaved lash caps, aluminum rockers, smith bros push rods,TTI headers, (69 340 manifolds don't fit.)
I just wanted a new set of heads for my 360,it's not all the goodies I had to install to get them to work it was that they are advertised as a stock bolt on.
I would not just bolt them on with out doing a thorough check.
I don't claim to know a lot but that's what I do know.

Re: Edelbrock heads core shift????? [Re: boydsdodge] #145145
11/03/08 06:51 PM
11/03/08 06:51 PM
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blairboy3 Offline
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Quote:

I didn't have any luck with customer service at Edelbrock. All I wanted to now or to tell them was what I had found in my heads.
The answer was that "they are race parts and that you are expected to rebuild them before running them, so what did I expect".
I bought a set of S/B closed chambers and had to to a complete valve job because the valves were out as much as .008 in some seats.
then setting up the rocker geometry is another story.( you can't run any factory rockers correctly)
For a bolt on head, it certainly is not.
A pair of heads at $1600.00 ended up costing $3000.00 in the end to get them installed and running, and I did the assembly work.
Custom shaved lash caps, aluminum rockers, smith bros push rods,TTI headers, (69 340 manifolds don't fit.)
I just wanted a new set of heads for my 360,it's not all the goodies I had to install to get them to work it was that they are advertised as a stock bolt on.
I would not just bolt them on with out doing a thorough check.
I don't claim to know a lot but that's what I do know.




Ouch! That definitely doesn't sound good. Especially when they advertise them as bolt-on out of the box!


1968 Plymouth Fury III 4-Door: 12.79 @ 115, 60'- 1.93 (Hey... it's a Cruise ship... what do you expect?!) Famoso Raceway, 02/08
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