Changes to Boundary Oil Pump Line
Hello Everyone,
I have a couple of changes to the Miata Oil Pump Line that are coming VERY SOON! 1.) We will be discontinuing the sale of the standalone oil pump gears. This is for a couple of reasons.
With a discontinuing of a product line, we're giving life to new one. News item 2.) The introduction of the stock replacement billet oil pump! I have not set a price point for this yet, but I'm shooting for mid to low 200. These pumps will be blue print assembled in the same way as the higher end oil pumps, but they will be a value option to those who simply want a stock replacement on their reasonably well built road racer. You can expect the change to occur before the end of the month. Thank you all for your continued support of Boundary and have a great day! Travis Rosenbarger Boundary Engineering |
So the new billet pump comes with your spiffy billet gears already matched?
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for 225-250?
nice. i just bought an oem pump for like...135. it would have been nice if this was available. |
Originally Posted by viperormiata
(Post 826689)
So the new billet pump comes with your spiffy billet gears already matched?
for 225-250? nice. i just bought an oem pump for like...135. it would have been nice if this was available. |
Travis, I've ben in contact with you about the gears I recently ordered and wanted to upgrade to the ful pump. Do I have this option or will I have to wait?
Thanks |
:drool: This will go nice with my summer build.:x:
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Love the full pump option!!
I haven't regretted the decision buying mine once at all! |
This fits my needs perfectly. THANK YOU!
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Sounds like a win win for all....at a reasonable price.
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Group buy introduction pricing? *Hint*
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Originally Posted by Miater
(Post 826773)
Group buy introduction pricing? *Hint*
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Glad I saw this thread. I was going to buy gears this week, but I can definitely wait for next month. Sign me up!
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Originally Posted by miater
(Post 826773)
group buy introduction pricing? *hint*
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I'm about to order all engine parts soon as well.... I will get these 100%, hopefully I can get in on the first run of them or whatever.
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Great news you wont be selling just the gears anymore!
At least if/when the next customer purchases one of these new complete pumps and it fails in a brand new built engine, you wont be able to worm your way out of any responsibility. Or at least not as easily lol |
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I'm not really sure what your referring to here...
On the website it states this:
I don't know how I could be any more careful with telling people they are responsible for making sure their oil pump assemblies are going to actually pump oil. The reason we charge more for the oilpump assemblies we make is because we put the extra labor into them and control everything, there is no guess work. When you put on any of our built pump assemblies it functions, there are no extra steps. My apologies if you or a friend had problems, but this is my ultimate solution. No more gear sets sold mean that there can be no liability or error. |
Sounds Great
Do you expect to see pressure and flow increases in this blueprinted design over an oem stock one? If so, how much? How does this new pump compare to the upgrade options that you also offer? Thanks |
Originally Posted by bitrusty
(Post 827089)
Great news you wont be selling just the gears anymore!
At least if/when the next customer purchases one of these new complete pumps and it fails in a brand new built engine, you wont be able to worm your way out of any responsibility. Or at least not as easily lol |
Will the same pump work in VVT and non-VVT applications?
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Originally Posted by 2manyhobyz
(Post 827846)
Sounds Great
Do you expect to see pressure and flow increases in this blueprinted design over an oem stock one? If so, how much? How does this new pump compare to the upgrade options that you also offer? Thanks Will the same pump work in VVT and non-VVT applications? Thanks! |
Originally Posted by FatKao
(Post 828871)
Will the same pump work in VVT and non-VVT applications?
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Originally Posted by TravisR
(Post 826701)
Yup! No more questions about fitment or performance. You get a pump put together and ready to go with its own blueprinted sheet!
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Pump Chart!
2 Attachment(s)
(Chart attached)
Gear Size Differences: There are actually 3 different thicknesses of gears. (Street) 91.5-00, (Street/Strip) 01-05 thickness, and a custom boundary thickness (Race) that's even bigger. Labor Differences Porting/Honing/Machining/Shimming Every pump varies in the actual work we put into it. I don't have the conclusive list here, but the race pump gets the most, and the street is a blueprinted stock housing with our billet gears inside. The Street/Strip is in-between. Torque Guard I coined the race pump to have "torque guard" because it produces a lot of additional pressure in the low RPM range. So if you're running a turbo or super with lots of mid to low end torque this will really add some extra protection to the bearings. |
Originally Posted by blindboxx2334
(Post 828878)
im a little confused what is the difference between this new pump and the street/strip assembly... will the new gears be able to handle boost? 300-400hp? thanks. and sign me up when you get em rolling. i planned on buying one of your pumps anyways!
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your post kinda confused me travis, sorry im an idiot... im going boost. atleast 300hp
can i buy this one or do i need the street/strip one? i just want to make sure i buy the right one.. |
You need a better understanding of how oil pumps function, blind.
They will all handle 300hp quite nicely. |
i know how they work, except for the shimming part (just havent looked into it yet)... im just trying to understand the differnce between the "street" pump and the "street/track" one... if i can get away with spending 250 vs 450 for no sacrifice. im all for it...
butttt since i see that the street one isnt shimable, im assuming i need the street/track one....? |
Originally Posted by blindboxx2334
(Post 828970)
your post kinda confused me travis, sorry im an idiot... im going boost. atleast 300hp
can i buy this one or do i need the street/strip one? i just want to make sure i buy the right one.. |
Originally Posted by TravisR
(Post 829014)
I need to figure out a new naming convention for these... I think that is what is confusing people...
sounds good! please let me know when the street one is available! i will purchase! |
^I don't want to confuse this even more, but I think Travis was trying to say Street/strip for 01-05 and street for the non-vvt and earlier.
At least that's what he has said before and that's whats in the "chart" above. Look at it this way: Street- OEM pressure, but higher durability street/strip- Higher PSI Race - Even higher PSI and Torque Guard (higher low RPM PSI). Let me help Travis out with an embed: https://www.miataturbo.net/attachmen...7&d=1328044413 |
Street now = "Basic Flow" for high HP cars with standard oiling requirements
Strip now = "VVT Flow" for high HP cars with VVT or other high oiling requirements Race now = "Superflow" for cars needing more oil pressure at lower RPMs and excessive oiling requirements. BLAO! |
I don't wanna whine, but I'm going to build a vvt motor and don't want to spend $420 on a pump... Any chance you could sell a 'street' quality vvt sized pump?
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Originally Posted by blindboxx2334
(Post 829015)
nail on the head.
sounds good! please let me know when the street one is available! i will purchase! ^I don't want to confuse this even more, but I think Travis was trying to say Street/strip for 01-05 and street for the non-vvt and earlier. At least that's what he has said before and that's whats in the "chart" above. Look at it this way: Street- OEM pressure, but higher durability street/strip- Higher PSI Race - Even higher PSI and Torque Guard (higher low RPM PSI). Let me help Travis out with an embed: I don't wanna whine, but I'm going to build a vvt motor and don't want to spend $420 on a pump... Any chance you could sell a 'street' quality vvt sized pump? |
So...can we put together a group buy or at least can I get my name on a pre-order list?
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same for me. about to order engine parts soon
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in fo GB
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Still working on it, should have an answer by tomorrow or the day after on what I can do.
Thanks! |
Group buy posted, please see the group buy section!
https://www.miataturbo.net/showthrea...501#post830501 |
Left you message bossman. Call me. I building my radical 25-30 psi 2867 engine :) I need yo pump...
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Originally Posted by TravisR
(Post 829072)
Sounds good!
Thanks! Unfortunately we can't. We can only get the castings in the Non-VVT size. So both of the higher end pumps have to go on the CNC machine for pump pocketing. Once the machinist has to turn the CNC machine on the cost has to go up. |
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From what I've seen, you don't want to go over 250whp or 7500 rpm on the stock pump. I know that is not the absolute limit, and some people have gotten lucky.
The real difference between the stock units and a forged unit is the amount of porosity in the stock unit. I have uploaded the picture. The thing that looks like a sponge is sintered steel. So if that sponge has any deformities it will break easily. If you've managed to get one that is "well done" then it should hold up ok. If you look at the forged steel you'll notice the increase in density, no pores. If you weigh our gears and the stock gears ours are actually heavier despite being made out of materials that have the same density. This is one of the reasons the forged product is superior. I can't tell you where the line is, but you'll find out quickly if you exceed the limits of the stock pump. Travis |
metallurgy ftw! thats some good close up pr0n
and sorry i never got in on the gb, im saving up for my turbo... but i will still buy one when it comes time to start buyin shitz for the block |
http://boundaryengineering.com/drupal/node/7 <- Product line has been officially changed!
http://boundaryengineering.com/drupal/node/130 <- New 1991.5-00 Billet Oil Pump Assembly! |
Hi , do you have a group buy going at present on a 'stock replacement billit gear oil pump [1990.5 ] if yes can you sign me up . I can pay in advance if required !! and of course what is the price ? cheers max. maxspring@aapt.net.au
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