Cosmo Kramer

Anyone ever bought from this guy, autowerks?

His chips look like AA knockoffs and his feedback is decent and positive from other 928 owners. Or is it $50 of crap!!

928worldwide

Bought 3 pairs, no problems..... good work IMO

Cosmo Kramer

Thanks Mason

So gains are equivalent to the AA chips?

928worldwide

Hi,
I can't quantify that, never dyno run...but I will say my cars all ran great and made more power at the top, and lost some at the bottom for sure.

Mike Frye

Hey Cosmo,

Check out Porken's EZF'r chip before you do anything. He's dialed it in pretty well. I've got a set of Autothority chips as well as one of Ken's EZF'r chips and you can barely tell the difference (Ken's chip has different timing at idle, which is usually smoother).

I've also heard that the eBay clone chips are identical, can't vouch for them personally though.

porsche928guy

Cosmo...for sure check out Ken (www.liftbars.com) He is a great guy and all of his products are very reasonably priced. His are $49 including shipping and I don't think there is anybody around here with more knowledge of the 85-86 cars. No affiliation just a satisfied customer!

Cosmo Kramer

I was looking at Porken's chips, his is for the ignition only correct? Is this where most of the gain comes from? If so, then I may as well go with that for the same $$. On my car, I am looking on getting rid of the relatively poor off the line performance, higher rpm I have no issue!

928worldwide

Better to get fuel and ignition IMO. If you want to get something from Ken to make your bottom end stouter, try his timing jewel box and dial your cams in... What a great little trick- and no cam cover removal.

morganabowen

I had run the AA chips on my '91 S-4 for a couple of years and was very impressed with their performance. There is definately a noticable difference as opposed to the factory OEM chips. My neighbor bought chips from autowerks for his 951 and he is very satisified Good luck

jcorenman

The sure way to tell if they are Autothority clones is to look for the "COPYRIGHT 1991 AUTOTHORITY PERFORMANCE ENGINEERING" in the ROM code...

Edit: FWIW I did some comparisons with the stock chips, the AA LH chip raises the idle speed and rev-limiter (not necessarily a good idea) and adds fuel to the closed-loop map. (The S4 already runs too rich at the high end). The EZK map adds quite a bit of ignition advance-- 10 to 12 deg additional advance from 3400 to 4400 RPM at relatively high loads. That's where the favorable "butt-dyno" results come from, but that much advance without checking for knock counts makes me pretty nervous. A much better solution is to get some time with a Sharktuner.

Cheers,

RichS 1986928

I was actually going to post today to see if anyone has had bad luck with their 85-86 Ebay chips.

With Ebay chips, my car has a noticeable drag between about 2800 and 3100 RPM. This was not there
with the stock chips. Overall, I really have noticed no significant gain from the seat-o-meter.

Perhaps these chips work better with an AUTO? I'm going to put them back on ebay I think.

I'm not sure which ebay seller they came from originally back in 2006, there is no brand on them.

PorKen

On the EZF chip, there's no room for that copyright notice. (There's only 2K bytes, and it's packed full.)

The eBay LH chip is a stock xxx721 LH chip, except it has a b-i-g dump of fuel between 1600 and 3300 rpm at 3/4 load in the cruise map. (Rather crudely done.) All other maps, and the rev limit of 6400 is unchanged. I've always assumed the eBay chip is a clone of AA, but could be wrong. All the eBay types are the same, as far as I've seen.

Generally speaking, for max horsepower, the EZF ignition chip gives the most benefit. The fuel chip is more dependent on what mods you have, and mostly makes the tq/hp peaks wider, but without headers or a supercharger, not much higher.

RichS 1986928

Ken, your website states that your EZF chip works with the ebay LH chip.
What is the benifit of having this over a stock LH chip?

Also you recommend colder spark plugs, what is the benefit of that?

If all these questions and more have been answered in a thread somewhere I'd really
appreciate the link.

Thanks

PorKen

The benefit is I don't get as many questions about burning a stock fuel chip? On par, I think the stock fuel chip is better.

I'm still working on a X-pipe fuel chip for use with a higher pressure ('87) S4 regulator.

Colder plugs raise knock resistance somewhat.

Cosmo Kramer

So with stock plugs and premium fuel you would be OK or are colder plugs a necessity?