When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
I'm considering getting the AJE tubular k-member for my '99 Z28. The one I'm looking at is part #040-CF-40UM. It says it's a universal mount. Is that meaning the motor mounts? If so what would need to be done to install it in my Z with the factory LS1?
I'm considering getting the AJE tubular k-member for my '99 Z28. The one I'm looking at is part #040-CF-40UM. It says it's a universal mount. Is that meaning the motor mounts? If so what would need to be done to install it in my Z with the factory LS1?
I did a quick search and couldn't come up with a lot. Based on one picture I found it looks like that k-member may bolt an LSX engine in or a small block Chevy?
AJE is a good bunch of people and good products. Any particular reason you are looking at that k-member? Price only, or?
I did a quick search and couldn't come up with a lot. Based on one picture I found it looks like that k-member may bolt an LSX engine in or a small block Chevy?
AJE is a good bunch of people and good products. Any particular reason you are looking at that k-member? Price only, or?
The research I did it seems to be a good piece for the price.
I do not like the look of that piece, held together by
critical welds. I've had me some trouble there. I think
you should have a look at road race K-members and
think about how the load that wants to pull your
wheels apart, is taken from frame to frame. T-welds
in tension are a fatigue failure waiting to happen.
If you're not planning on going home on a trailer you
want as continuous a tube and as well-gusseted a
transition to the mount pads as can be had. If I were
you I'd have a look at the high end pieces and what
they say about why the construction is different, and
make up your mind about construction style and life
expectancy.
Good people they may be, but plenty of fine folks
seem to not have a clue about metallurgy and how
things fail. Hard knocks aren't out to sell you anything.
According to anybody selling these kind of parts, it's
all good. Only you don't get anything like a lifetime
warranty against breakage, just disclaimers, even if
they talk "street duty" out one side of their mouth.
That's just the way it is in the automotive performance
aftermarket. 3-card Monty all the way.
I went for price too. And then paid the other price.
Which came in low since it broke backing up on the
driveway, just scrap steel and a couple of afternoons
fitting, cutting, grinding and welding. All good fun.
Unless your wake-up happens to be at speed. Cheap
is not top of my list on safety critical speed parts.
Not that expensive guarantees you anything in
particular. But built right and -therefore- expensive,
is not necessarily a worse bargain.
That first design bmr was known to fail, and they corrected it. No more failures since as far as I know. You're using a unicorn for horse examples. I street drive my PA Racing chromoly and have hit some unfavorable bumps and I'm still alive contrary to what the internet says I shoula been dead long ago.
New BMR K has gusseting where mine failed. The AJE
appears to not. What your PA Racing piece has going
for it, couldn't say. Mine lasted 5 years on the street
but fatigued eventually at those critical welds. If I
see a similar constructed piece I'm still going to call it.
Jmmyblue makes some very valid points, and this is mostly because he has been through a failure.
Again the AJE guys are good people and make nice stuff, I don't really see failures and have nothing bad to say.
What I can say is UMI has dedicated a lot of time into the development of our 4th gen products. Street use, autocross and road race. We have 15 events this year our 4th gen will be at that includes autocross or road course, the car features our off the shelf suspension items. We are thrashing the parts and showing they can handle it.
I know we are bit more expensive than the other guys but we put time into this item, it's built strong and it's built tough. I am confident in saying I feel we build the strongest k-member on the market. If you have any interest in talking about ours please ask, call or e-mail. Or any in general k-member questions unrelated to us we are here to help.
This MWC K-member has been going strong behind this 6-speed nitrous combination all way back to '08 if I recall and done multiple bumper stands with out issue's.
He has also put our crash bars to the test the past couple of years.
01-03-2016, 09:27 PM
AJE k-member in 99 Z28 question 
