300 hp N/A carb 2.8 V6 engine

[SappySE107]

According to their internet pages, the ported heads should be new, the ones I got are used.

Where?

[veekuusi]

Where?

Stage 2 3100/3400 Cylinder Heads
Specification:

Product Code ST2314Heads
Manufacturer WOT-Tech
Condition New
Weight 35.000Lb

[SappySE107]

Have to love software updates that add information. Every product defaulted to "new" that was transferred. I am fixing this now. Thank you for pointing this out.

[Will'sFiero]

According to their internet pages, the ported heads should be new,
the ones I got are used.

Go easy killer. How did you expect him to get new production head castings for an engine that's been out of production for over 10 years? Use your brain when browsing the internet.

[34blazer]

Have to love software updates that add information. Every product defaulted to "new" that was transferred. I am fixing this now. Thank you for pointing this out.

C'mon man, you can't blame that on a software update, that's a lack of attention to detail. Regardless if there are new castings available or not, your page advertised them as "new." So far what I have seen, is a set of heads that had some decent work to them, but are less than stellar in some areas. If my business depended on word of mouth, you bet your butt I would be offering another set done right and have the old set shipped back for free. For all the work done in the combustion chamber, why not use LX9 heads and weld up the chambers so there is no overlap? Either way, I would want to make good on the deal and send another set out, and eat the mistake.

.02

[34blazer]

Go easy killer. How did you expect him to get new production head castings for an engine that's been out of production for over 10 years? Use your brain when browsing the internet.

Attention to detail. New castings can still be sourced. That's no excuse at all.

http://www.wholesalegmpartsonline.com/products/Chevrolet/2001/Impala4DRLS/HEAD-Engine-Cylinder/2998062/24507577.html

[SappySE107]

C'mon man, you can't blame that on a software update, that's a lack of attention to detail. Regardless if there are new castings available or not, your page advertised them as "new." So far what I have seen, is a set of heads that had some decent work to them, but are less than stellar in some areas. If my business depended on word of mouth, you bet your butt I would be offering another set done right and have the old set shipped back for free. For all the work done in the combustion chamber, why not use LX9 heads and weld up the chambers so there is no overlap? Either way, I would want to make good on the deal and send another set out, and eat the mistake.

.02

Would have taken them back, as we offered, but he chose to modify them much further than we recommended and now they aren't even WOT-Tech heads.

[SappySE107]

Attention to detail. New castings can still be sourced. That's no excuse at all.

http://www.wholesalegmpartsonline.co.../24507577.html

Attention to detail. They are WOT-Tech heads once we do our work to them. New being the condition we claim them to be when you get them from us. They are not advertised as new cast heads. /story

[ForcedFirebird]

No where in the actual product description does it say new castings, and even mentions a price difference if cores are sent in. Also, that link is for single bare head from GM. I am sure if someone wanted to pay for them (~$2600 additional, says in the listing "requires 2"), new castings could be used - IF - they are even still available. Automated sites list parts that are NLA, and you won't know until you make the order and it gets kicked back (BTDT).

[veekuusi]

After waiting for the ported heads to arrive for 5 months, sending them back to USA
is no option.
Who knows how long it would take to get them back , race season would be over .
And would they be any better.
The only option would be , that Wot Tech would send a pair of ported 3.4 heads to me.
For the cost of their own, of course.
As the original agreement was, 3.4 ported heads. Not 3.1 heads.

I visited the flow bench guy today.

The next picture shows the curves of the Wot Tech ported heads and the
curves after me modifying the Wot Tech heads.
Big improvement to the exhaust flow , some improvement to the intake flow.
Intake max valve lift (13 mm) flow was not improved.



I had also flowed one stock 3.4 head, with stock valves.
Max flow is the same with Wot Tech ported 3.1 heads and the stock 3.4 heads.
Big money wasted to the Wot Tech heads.

[Guest]

Wow, so ported (small port) 3100 heads flow about as well stock 3400 heads.

Seems that pedistal "issue" has really cause a larger issue in the end.

That sucks to hear how much of a waste it was to go this route.

Have you considered welding up LX9 head chambers to fit the small bore? I wonder how stock or even mildly ported LX9 heads would work on your engine.

[34blazer]

Can't argue with results!

Sent from my XT1080 using Tapatalk

[SappySE107]

The only option? The sad part of this is, you went to the public to throw shade on wot-tech rather than contact me to discuss what you saw. Now that I am in Florida again, and have a set of heads that were done at the same time, I can clearly see why the exhaust didn't flow well. They used a 1 angle cutter and made as very wide cut. Of course this killed the flow. The intake said was the throat diameter as you pointed out. So, why would it take that long for the heads to come back, us to fix the valve job, and send them back? 2 weeks. Again, very much my fault for sending them out like that. Had you brought this up to me, this could have been sorted out easily. Paying for shipping both ways and the machine work, even new seats if necessary, beats the hell out of dealing with this on my forum.

Telling me my only option is to send you another set of heads is just not how this business works. Send us the heads back in the condition we sent them and we will fix or replace them. Otherwise, you own them. You were aware they were stage 2 ported, and 3100 heads, before they were shipped. You had ample time to make that decision and chose to say nothing. You also knew this before you hacked everything up. There is no reason those heads couldn't be at the same peak potential of a set of 3400 heads. Just more work, which was done other than the valve seat/throat measurements. That was my mistake for not flow testing and seeing the restriction.

Had you wanted stage 3, it was on the table as the heads were when you received them.

Also, we have flow sheets showing the difference in heads. If you are really going to say that this is the clear and decisive difference between 3100 heads and 3400 heads or wot-tech vs stock, then so be it. Our cars are winning races and setting track records so it all depends on what part of the business you look at. Learn from mistakes, and move on when there is nothing left to do. As of now, this part of Ari's build thread is over. Lets see it run.

[Guest]

Maybe he didn't realize they would be small port 3100 heads since there are 3100 heads that are basically 3400 heads...?

From what Veekuusi has said about customs and shipping in Finland it seems that there would likely need a month or so just to deal with that. I'm sure you can understand him being gun shy for sending them back when the first set took longer than expected to get to him, due to all circumstances involved. I wouldn't want to ship something across border from Canada to the US under the same pretences due to the unsurity of shipping in and of itself let alone how long or little time it would take to rectify the issue.

This is one of the reasons I do my own work or deal locally whenever possible, I just hate dealing with shipping sometimes.

Still interested to see how these heads do on Veekuusi's engine. It's a very different and interesting combination that I've thought was great from the first time he posted about it.

[veekuusi]

"Had you wanted stage 3, it was on the table as the heads were when you received them"

I do not understand what you mean by saying that.
This is a copy of the original email you sent me:

Sent: Tuesday, November 10, 2015 6:30 PM
>>>>>> To: Ari Rajamäki
>>>>>> Subject: Re: Stage 2/3 3400 cylinder heads
>>>>>>
>>>>>> Sorry, I thought John was replying already and i see now that we have
>>>>>> not responded at all. We are working on the 10mm time sert setup
>>>>>> designed for the stock rockers, but you wouldn't need the pedestals.
>>>>>> We
>>>>>> can get the setup for 7/16 for your setup but I don't know how much
>>>>>> labor is involved yet to give you a price on that. We can do stage 2
>>>>>> or
>>>>>> stage 3 porting. For a carb, I would guess the stage 2 with its
>>>>>> improved velocity over stage 3 is going to be ideal. We would be
>>>>>> sourcing the heads as well? Machined, ported, Manley valves, ready
>>>>>> to
>>>>>> assemble with your springs and rockers is $1385 plus the rocker arm
>>>>>> holes for 7/16. We are booked until 2016, so late January would be
>>>>>> the
>>>>>> estimated finish time as of right now.
>>>>>>
>>>>>> Ben Phelps
>>>>>> WOT-Tech