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Phastek Performance


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Search took 0.01 seconds. Search: Posts Made By: Mark R
Forum: ZL1 Discussions 03-27-2024, 09:02 PM
Replies: 1,351
Views: 354,466
Posted By Mark R
I had a Katech put in at the dealer. My build...

I had a Katech put in at the dealer. My build date is 5/18, so I was worried. Make sure they check the cam chain tensioner spring. Some are slightly defective (cut too short) somehow.

I'm very...
Forum: ZL1 Discussions 08-15-2023, 06:55 PM
Replies: 1,351
Views: 354,466
Posted By Mark R
I swapped to a Katech oil pump at 14k miles, on a...

I swapped to a Katech oil pump at 14k miles, on a stock engine. I'm very happy with that choice.
Forum: ZL1 Discussions 08-15-2023, 10:38 AM
Replies: 1,351
Views: 354,466
Posted By Mark R
My thoughts? Can you afford to replace the engine...

My thoughts? Can you afford to replace the engine if it got destroyed by a bad oil pump? Can you afford $3500 to replace the oil pump before it breaks?

As far as I'm concerned, any 2017-2018...
Forum: ZL1 Discussions 08-08-2023, 12:32 PM
Replies: 1,351
Views: 354,466
Posted By Mark R
Not to beat a dead horse, but this is a long...

Not to beat a dead horse, but this is a long thread. I had my 2018 pump replaced with a Katech at 14,000 miles. No cam or other work. The peace of mind is worth it to me, since I never plan to sell.
Forum: ZL1 Discussions 06-28-2023, 02:58 PM
Replies: 1,351
Views: 354,466
Posted By Mark R
True, but if the pump is so weak that cold oil...

True, but if the pump is so weak that cold oil causes it to break, that's a shitty oil pump. Oil temp should be a non issue.
Forum: ZL1 Discussions 04-02-2023, 06:06 PM
Replies: 1,351
Views: 354,466
Posted By Mark R
I don't think that's the case. An oil pump should...

I don't think that's the case. An oil pump should never break, regardless of oil. There should be a huge margin of strength built into the stock oil pump. Katech did it. It's not rocket science.
Forum: ZL1 Discussions 02-25-2023, 08:57 AM
Replies: 1,351
Views: 354,466
Posted By Mark R
Or, you know, spend $70K on a ZL-1, and have it...

Or, you know, spend $70K on a ZL-1, and have it destroy itself while you drive it, 2000 miles from home while on vacation. #thatsucks. #gmpleasedobetter. #ifonlygmspentanextra25centsontheoilpumps.
Forum: ZL1 Discussions 02-01-2023, 06:15 PM
Replies: 1,351
Views: 354,466
Posted By Mark R
Dealers are often the worst with the slash and...

Dealers are often the worst with the slash and burn, one and done way of doing business.
Forum: ZL1 Discussions 02-01-2023, 01:37 PM
Replies: 1,351
Views: 354,466
Posted By Mark R
People will drop tons of money into their cars,...

People will drop tons of money into their cars, but balk at getting the oil pump fixed. $8K for wheels, $3K for exhaust, $6K for PPF, etc.

$3K to replace the pump with the Katech unit seems like...
Forum: ZL1 Discussions 01-31-2023, 03:15 PM
Replies: 1,351
Views: 354,466
Posted By Mark R
You can't sue for damages that have not happened....

You can't sue for damages that have not happened. So far, GM is fixing all that are breaking, per the experience of owners on this forum. That seems to be their strategy. Fix what breaks and run out...
Forum: ZL1 Discussions 01-30-2023, 02:44 PM
Replies: 1,351
Views: 354,466
Posted By Mark R
An oil pump should not be on the verge of failure...

An oil pump should not be on the verge of failure such that cold oil makes it break. This is a total fail by GM.
Forum: ZL1 Discussions 01-30-2023, 01:00 PM
Replies: 1,351
Views: 354,466
Posted By Mark R
It's hard to believe this continues year after...

It's hard to believe this continues year after year. That cutout is simply a crack waiting to happen. If they had machined a bulge into that ring, and a cut-out in the case where the pin goes, the...
Forum: ZL1 Discussions 01-28-2023, 01:50 PM
Replies: 1,351
Views: 354,466
Posted By Mark R
The Katech pump is strong enough that Katech is...

The Katech pump is strong enough that Katech is staking their reputation by building and selling it. No worries there. It's not going to break.

I think the hair-splitting on this oil pump issue is...
Forum: ZL1 Discussions 12-27-2022, 04:59 PM
Replies: 1,351
Views: 354,466
Posted By Mark R
There you go. A picture is worth a thousand words.

There you go. A picture is worth a thousand words.
Forum: ZL1 Discussions 12-26-2022, 11:14 AM
Replies: 1,351
Views: 354,466
Posted By Mark R
Well, increase the stress enough on any component...

Well, increase the stress enough on any component and you will break it.
Forum: ZL1 Discussions 12-25-2022, 10:37 AM
Replies: 1,351
Views: 354,466
Posted By Mark R
Pump failure is not complicated. The pivoting...

Pump failure is not complicated. The pivoting ring inside the pump, the part that bears against the pump vanes, will crack. Once that does, it is a matter of a few seconds or a few hours until the...
Forum: ZL1 Discussions 08-31-2022, 03:43 PM
Replies: 1,351
Views: 354,466
Posted By Mark R
My dealer installed a Katech pump, which I...

My dealer installed a Katech pump, which I supplied,for $3,200 labor.
Forum: ZL1 Discussions 08-02-2022, 11:26 AM
Replies: 1,351
Views: 354,466
Posted By Mark R
Paint correction, full PPF, and ceramic coating...

Paint correction, full PPF, and ceramic coating was definitely expensive, but there is only 1 guy in Albuquerque who has the skill set to do this work. I also checked online, and that is a fair price...
Forum: ZL1 Discussions 08-02-2022, 10:04 AM
Replies: 1,351
Views: 354,466
Posted By Mark R
It was $500 for the pump and $3200 for labor. It...

It was $500 for the pump and $3200 for labor. It was at the dealer, so labor is more expensive, but the technician is the very best in town. His work is perfect, so I am happy.
Forum: ZL1 Discussions 08-01-2022, 05:28 PM
Replies: 1,351
Views: 354,466
Posted By Mark R
Very true. But every vehicle has some sort of...

Very true. But every vehicle has some sort of weakness. I've been on forums for years now, as I've bought and sold various motorcycles and cars, and seemingly every vehicle has some sort of serious...
Forum: ZL1 Discussions 08-01-2022, 02:16 PM
Replies: 1,351
Views: 354,466
Posted By Mark R
I'm assuming your pumps pass the test, right?

I'm assuming your pumps pass the test, right?
Forum: ZL1 Discussions 08-01-2022, 01:52 PM
Replies: 1,351
Views: 354,466
Posted By Mark R
The SS cars also have oil pump issues, but I'm...

The SS cars also have oil pump issues, but I'm not sure how they compare to the ZL-1 failure rate. The best way to prevent problems is to put in a Katech pump and stop worrying about it going...
Forum: ZL1 Discussions 07-01-2022, 11:07 AM
Replies: 1,351
Views: 354,466
Posted By Mark R
The problem is your dealer. Their service techs...

The problem is your dealer. Their service techs are clearly not competent enough to do that job properly.
Forum: ZL1 Discussions 06-29-2022, 09:08 PM
Replies: 1,351
Views: 354,466
Posted By Mark R
The way I see it, the inner ring cracks at that...

The way I see it, the inner ring cracks at that relief cut, and the PSI drops. That might be for 4 seconds or it might be a couple hours. But eventually one of those vanes snags the crack, and all...
Forum: ZL1 Discussions 04-29-2022, 07:35 PM
Replies: 1,351
Views: 354,466
Posted By Mark R
I think you are the only one talking about the...

I think you are the only one talking about the cam chain tensioner here. All the failures I remember on this thread were just the pump internals cracking and causing subsequent chaos.
Forum: ZL1 Discussions 04-29-2022, 03:07 PM
Replies: 1,351
Views: 354,466
Posted By Mark R
I can't speak authoritatively to that, but the...

I can't speak authoritatively to that, but the gear is really thick.
Forum: ZL1 Discussions 04-29-2022, 12:27 PM
Replies: 1,351
Views: 354,466
Posted By Mark R
It's the outer ring that cracks. Look at...

It's the outer ring that cracks. Look at post#1071, at the7 o'clock position. The outer ring cracks at that indexing pin cutout, besides also cracking in other places.
Forum: ZL1 Discussions 03-28-2022, 02:04 PM
Replies: 1,351
Views: 354,466
Posted By Mark R
I got a Katech pump, and had it installed last...

I got a Katech pump, and had it installed last fall.
Forum: ZL1 Discussions 03-15-2022, 11:20 AM
Replies: 1,351
Views: 354,466
Posted By Mark R
I agree. Why wait for disaster if you have the...

I agree. Why wait for disaster if you have the pump in hand?
Forum: ZL1 Discussions 03-11-2022, 09:32 AM
Replies: 1,351
Views: 354,466
Posted By Mark R
I agree. For those who have the tools and skills...

I agree. For those who have the tools and skills - more power to them.
Showing results 1 to 30 of 66
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