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Elmer Racing

Etusivu
Suomi
Kirkkonummi
Elmer Racing

Soita Reittiohjeet Verkkosivusto Ota yhteyttä: Yritys

OEM performance engines tailored for your super car, race car, or marine use case! https://elmerracing.com

Custom race cars, custom billet engine parts, custom suspension parts and composites are our game! Advanced CFD work, FEM, CAD, weight optimization, vehicle simulations, 5 axis CNC milling & 3D printing is what we use to design and produce the very best parts!

01/10/2026

One valve shim (0.05mm outside of our stocked thicknesses) and some assembly work away from having the first two Hel engines ready to ship! One engine at 98% and other one at 80%.
Not celebrating just yet, but this journey hasn't been easy with so many wrong paths taken during the design and manufacturing process.
Designing for a true 4000hp output, and the component spec needed for it, takes a lot of effort and finding suppliers that are really on their game! And making parts yourself that you didn't want to spend time to figure out how to make.

25/09/2026

Oiling system on all our racing engines are full drysump designs from the start. Our Hel engine imaged here as a example.
We use oil extraction slots in the crank case as close to the cylinder as possible in the design, considering the crankshaft rotation direction. Crank case shape is also important for maximizing oil flow towards the suction slot. This allows us to minimize the amount of oil slosh going up into the cylinders and loading the piston rings.
Oil return from the cylinder head(s) does not go into the crank case, but is internally ducted directly to the drysump pump scavenge stages. Similar situation with the turbo oil returns.
When space allows, we also typically add a screen mesh in front of the scavenge stages, to reduce oil pump damage risk in the event of a engine failure.
Depending on the packaging needs, we either integrate the oil ducting (as in this case), or use a 'external' oil duct piece. No converted wetsumps here.

14/09/2026

First two customer 4000hp billet 5-axis CNC engines in final assembly!
Valve clearances in spec with custom cams, cam drive setup ok, covers have all o-rings correct, water pump, dry sump oil pump mounting and drive, custom vibration damper mount, custom billet crank with bearing clearances to spec, custom billet titanium connecting rods with clearances and piston pin in check, and many more details!
Everything takes 10x as long to assemble the first time when we double check what needs to be measured, what our measurement accuracy is, document everything correctly, and mark the custom tooling correctly and make instructions for how to use them.
Hopefully in the final stretch now!
Soon to go into a couple of absolutely mental r35 GT-R's, in place of the nissan vr38dett engines.
And we will see how close to the designed 4000hp they will get! (Or exceed!)

15/06/2026

What funny and stupid fails have you done on your engine builds?
Getting the drysump pump drive chain length spec correct shouldn't be a hard problem. But sometimes it's too short. Then it's too long. And only on the third try is it just right!😆
Length does matter! Who knew?
Especially when it's a custom (non-industry standard) chain that you don't have any local suppliers for. Not a expensive mistake, but does take a long to iterate.
Finally set now. Might need to ad a chain guide on the tension side. But having a little room to wiggle around might actually be beneficial in reducing the oil pump shaft torque spikes. So don't want to add it in unnecessarily.

09/06/2026

4000hp Hel engine test assembly done!
Moving to customer engine assembly next. First engines going out in a few weeks!
Prices will increase once that happens. (due to higher than expected amount of custom parts needed, such as making our own billet titanium connecting rods)
Current pricing still available on our webshop till 30.6.2026.

23/05/2026

4000hp Hel short block test assembly ready
with correct clearances!
Our custom billet titanium connecting rods ended up
having to be a little beefier than our initial placeholder.
So we have to manually clearance the block to give at
least 2mm clearance. Batch 2 blocks will have this
detail fixed.
Doesn't look perfect, but it's structurally ok to
manually clearance here, passes customer use
approval.
Long block getting ready to go together also, first head
fully assembled in spec!
https://shop.elmerracing.com/14-racing-engines

17/05/2026

Introducing our Billet Merge Collector 'What could go wrong?' durability guarantee!
1 free replacement, regardless of how it broke. Just send us the pictures/videos and permission to use them. Full terms on the TOS page on our webshop.
So what happened in this customers case?
Based off the images it looks like a combination of factors. Vibrations and thermal expansion loads from the wastegate exit pipe transmitting though the wastegate to the wastegate mounting. High temperatures due to thermal insulation and likely closed floor (time attack car) with minimal airflow around the exhaust. Sharp edge on the *inside* of the wastegate duct to the runners/turbo area. Lots of heat cycles and use.
Due to customer time constraints to get the car ready for the next event, we sent out a replacement collector of the same dimensions, but updated model with filleted wastegate exit (yellow highlight in picture, all our newer models have this update). Other option was to make a custom one from 316 or 321 stainless material, but this would have taken a few more days for raw material lead time.
We also recommended changing out the slip-over fitting for a flex piece. And incorporate a external support clamp between the wastegate and main exhaust pipe.
And if possible, any slight increase in airflow around the header pipe would help reduce peak temps and thermal cycle load.
We think our 5 axis Billet CNC Merge Collectors are the most durable parts available. But sometimes things can happen. If it does, we have your back. And will try to help you avoid another failure.
https://shop.elmerracing.com/10-merge-collectors
https://shop.elmerracing.com/content/1-TOS

10/05/2026

F1 engine rules are changing for 2031.
Elmer Racing F1 engines incoming?

05/05/2026

4000hp v6 first engine assembly progress.
Rods, bushings, pins, clips, pistons, piston rings. All looking good. Tested for rotation clearance in the crank case earlier.
Custom tool to mount piston pin clips in the bottom left of the picute. Crazy stiff clips, hence the need for a tool, but should stay in there even at max rpm (well above 11,000rpm)!

30/04/2026

CNC toolpath update for the 4000hp Hel billet tool steel crank looking mint!
No more small corners left over here and there. And much more reasonable tool wear.
Bearing surface polishing/grinding should be much faster and easier also.
The surface shape around the highest loaded areas is especially critical for longevity in a crankshaft being pushed as hard as this.
Peak stress needs to be kept in check, but for longevity it's even more important that the stress levels don't change too rapidly, as that aids crack propagation/fatigue.
This is why our crank designs have a almost organic shape. With the power density we push for in our designs there is no other way to make this work. Design time is crazy high (compared to basic cranks), but absolutely needed.
And the CNC machining side then needs to be able to effectively make these crazy shapes. This also takes a lot of skill and dedication to achieve.
The up side is that at least design criteria wise, we can push these crazy high power densities that are unheard of from other OEM's.
The only reason we even attempted this was how well our Thor crank has performed. Giving us confidence in that we at least know a little about what we're doing.
There are no guarantees in racing or when pushing boundaries. But it's what we love, and what we're good at.

Osoite

Luomankuja 28
Kirkkonummi
02440

Aukioloajat

Maanantai	00:00 - 20:00
Tiistai	11:00 - 20:00
Keskiviikko	11:00 - 20:00
Torstai	11:00 - 20:00
Perjantai	11:00 - 20:00

Puhelin

+358404497910

Verkkosivusto

https://elmerracing.com/

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