Deadbolt Enterprises has become the first and only Extrude Hone dealer in Western NC! :banana:

For those who do not know about Extrude Hone, it is a process which forces a semi-liquid abrasive mixture through parts to in effect "port and polish" completely! Imagine the inside of your ENTIRE INTAKE MANIFOLD or exhaust manifold or uppie completely smooth and polished to perfection! They can perform the service on heads too!

Here is a small blurb from their website explaining the benefits:

High Performance
Extrude Hone has developed a process that enhances the performance of high-performance engines. The demand for this process is increasing rapidly among car and motorcycle owners. There also is a growing interest among personal watercraft enthusiasts. In addition to meeting the rigid requirements of professional race teams and production automotive manufacturers, Powerflow is an effective process for the performance enthusiast. Mustangs, Corvettes, muscle cars and high performance imports offer many excellent performance enhancing opportunities for Extrude Hone. Increased custom airflow can be tailored specifically for a Powerflow application. Results have demonstrated that such increases can exceed 30 percent on aluminum intake manifolds and 25 percent on cylinder heads.

Flexibility
This immensely popular process has been refined to accommodate virtually every commercially available model of intake and exhaust manifold, engine heads, turbo impellers, housings and pumps, as well as two and four-stroke cylinders on automotive, marine and motorcycle components. Polishing anywhere that air, liquid or fuel flows, the racing industry has embraced this innovative process. Today, OEMs are seriously considering Extrude Hone as an effective method for lowering emissions as well as increasing performance.

Increased Strength
Another popular application is strengthening a component. The process eliminates stress risers, such as burrs, from edges and surfaces where a crack can occur. Extrude Hone routinely processes gears and brake rotors to provide a uniform edge that significantly improves the dependability and life of highly stressed components.

And for those who will ask for dyno results:

"I have been a longtime Ford enthusiast who constantly strives to improve the performance of my vehicles. I have owned several Mustangs in the past, and first heard about the Extrude Hone process several years back. I had one of my old stock 5.0 upper intakes Extrude Honed and was impressed with the seat of the pants improvement. When I purchased my 2001 Ford Lightning, I immediately sought to improve its performance also. A number of modifications were performed to include pulley, computer chip upgrades, exhaust, etc. After each modification was made, I verified the changes via chassis dyno. One of the more recent changes was to have the upper intake of the Lightning Extrude Honed. After the EXTRUDE HONE modification, I noticed an improvement of 11 RWHP and 10 RWTQ (SAE) on a dyno. More importantly, I went from a best ET of 12.46 down to 12.36 seconds and improved from 109 to 110 MPH with this being the only change. I highly recommend EXTRUDE HONE, especially for higher boost applications."

We should be completely set up and ready to go within 2-3 weeks! :banana:

it would very cool if there were some dyno #s for extrude honed subaru parts .. any idea on prices for the service?

what parts would benefit from extrude honing? I remember Ford brought this out for the SVT Contour...I think they did the intake runners and said something to the effect of "it's so cheap and the gains are so good that we'd be stupid to NOT do this".....I think. Is there more discussion somewhere on the technical forums?

-wYlie

http://www.extrudehone.com/powerflow.html
http://www.extrudehone.com/oem.html

intake and exhaust manifolds, and cylinder heads are mentioned as the most common parts

Extrude honing your exhaust manifolds along with turbo housing should give very nice results.:eek:

Alex...

Working on getting prices on Subie stuff, we should have prices within a week, maybe two. They have some 4 cylinder stuff listed, however, as most of us know, Subie parts are not built the same as the rest, for example, compare a regular 4-cylinder exhaust manifold to a Subaru one and you have a big difference, lots more area to work on for the Subaru manifold.

I've always wondered about this, having seen the ad in Grassroots Motorsports.

It seems to me that a company like this could easily put up more information on flow improvements by doing a few sets of manifolds with before/after flow testing.

Originally posted by jblaine
I've always wondered about this, having seen the ad in Grassroots Motorsports.

It seems to me that a company like this could easily put up more information on flow improvements by doing a few sets of manifolds with before/after flow testing.

Well, there is the dyno comparison from the Lightning pickup on the site they saw a good improvement.

I am not suggesting it doesn't work.

I'm saying one dude with a Lightning, which coincidentally reads like it was written by the head of marketing, doesn't cut it for me.

Time to patrol the Corvette and Mustang forums.

ive seen lots of good press on extrude hone in magazines-i think it was a honda they did some major work on and got some nice numbers ..

if the prices are good maybe some non marketing type real-world people can get it done and post some dyno #s .. i will have to see if i can find that issue - i think it was in HondaTuning about 6 monhts ago..

We are planning on sending them an exhaust manifold (stock WRX) that we will put onto a car that we already have dyno info on (or rather we will have dyno info on by the time the manifold gets honed) that way we can get an accurate comparison, which on an exhaust manifold, I would not really expect a dramatic improvement, but this will be one way to get an idea whether our cars can benefit from it.

intake manifold too?

Originally posted by ronaldwrx
intake manifold too?

We will also get a quote on the intake manifolds as well. Talked with them today, nice people, should have everything up and running by next week! :banana:

With all due respect to Deadbolt I am going to chime in here with my dealings with Extrude Honing. I sent my intake plentum/ runner out to be done over the winter. These are my thoughts.

1) runner was returned to me and it looked as though they dropped it and kicked it around the floor. The gasket surface for the TGV was gouged and dented on one of the mounting lugs. It took me several hours filing the lug and wet sanding the gasket surface for a smooth surface.

2) They mounted a fixture to the TB inlet to attach it to the extrude machine. Well when they mounted this plate on my runner they must have used an impact as they pulled the threads. I had to drill the holes out as the tap bottomed out in the hole. Unfortunately to get enough room to tap the threads I had to drill into the runner itself, now these holes are exposed to boost preasure :mad:

3) There is an emissions port that is on both the STI runner and the WRX runner that plumbs gas vapor into the runner. There is a pipe in the plentum that is exposed to the hone material and what happens is that they force the hone material through the runner and it comes out any hole it can find! Well yup you guessed it the hone material was packed into the emmisions galley. :furious: I spent 6 hours with the compressor and two cans of brake cleaner trying to get the hone compound out of the port. Did I mention the compound is formutated ROCKS, SAND, and some kind of petloleum binder? Not a good thing if I didn't get it all out.


In all fairness they did offer to have me ship back the runner to them. They offered to fix it at no cost. But I am sorry if you do not have enough respect for my parts in the first place why would I give you the opportunity to screw it up again.

As a former customer of Deadbolt I would say this to you. Deadbolt provides wonderful service both in communication and the work they do. Please be careful who you side yourself with as I wouldn't want their sub-standard work to effect your reputation.

Matt

Matt,

Thanks for the heads-up. We have a meeting scheduled with them and I will print off your experience and bring it with us to the meeting.

Again, I appreciate you looking out for us, we pride ourselves on the highest possible level of customer satisfaction and customer service. If there is even the slightest chance that our customers will not be satisfied with this service, we will not pursue a partnership.

Have a good day! ;)

Originally posted by DeadBolt Enterprises
Matt,

Thanks for the heads-up. We have a meeting scheduled with them and I will print off your experience and bring it with us to the meeting.

Again, I appreciate you looking out for us, we pride ourselves on the highest possible level of customer satisfaction and customer service. If there is even the slightest chance that our customers will not be satisfied with this service, we will not pursue a partnership.

Have a good day! ;)

Yes please do, if you would like additional info I will gladly provide it to you off site.

No problem that is why I wanted to chime in so you don't have problems that you can't contol and inturn tarnish your image.

Matt

Originally posted by bikerboy
Yes please do, if you would like additional info I will gladly provide it to you off site.

No problem that is why I wanted to chime in so you don't have problems that you can't contol and inturn tarnish your image.

Matt

If possible, send me an email with any more particulars you have. I do not want this to be a repeat occurance for us.

Thanks!