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Coco_Lev
Joined: 04 May 2020
Posts: 21
Location: France
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 Posted: Wed Jun 03, 2020 1:23 am Post subject: Forged conrods manufacturing |
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Hi everyone,
A member of the club had asked me if it would be possible to make forged conrods.
Of course, I can provide you a set of real 4340 steel, shot peened conrods for 390€ incl. shipping to UK (but without the bolts ~80€ of ARP). To launch a production we need to order 10 sets, as the forging matrix is quiet expansive to build.
This can seem really cheap parts, but there is no marketing on the product, neither intermediate reseller. Here is the only difference of price with a 1000$ set.
Is there anyone interested?
Infos there : https://www.mespiecesauto.com/en/bielle-origine-ou-bielle-forgee-avantage-comment-les-choisir-a-quoi-faire-attention/
Last edited by Coco_Lev on Tue Jun 09, 2020 12:48 am; edited 2 times in total |
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gegge
Joined: 27 Jul 2007
Posts: 1084
Location: Sweden
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| Posted: Wed Jun 03, 2020 3:53 am Post subject: |
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I´m interested.
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Carl Fredrik Torkildsen
924 turbo -81 Carrera GT RESTOMOD
924 turbo -80 Dolomite De Luxe
924 -85 DP kit, BBS RS, M030 and tuned engine
924s -86 Black on black turbo with Fuchs |
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safe
Joined: 18 Mar 2017
Posts: 171
Location: Sweden
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| Posted: Wed Jun 03, 2020 4:50 pm Post subject: |
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| I'm in! |
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Juho
Joined: 03 Oct 2018
Posts: 125
Location: Finland
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| Posted: Thu Jun 04, 2020 12:26 am Post subject: |
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| intrested..... |
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vonmoogen
Joined: 12 Feb 2013
Posts: 7
Location: UK
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| Posted: Fri Jun 05, 2020 12:06 am Post subject: |
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Id be interested too
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Rob |
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Coco_Lev
Joined: 04 May 2020
Posts: 21
Location: France
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| Posted: Sat Jun 06, 2020 2:30 am Post subject: |
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I've got a fifth person interested. We need 5 more now.  |
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Coco_Lev
Joined: 04 May 2020
Posts: 21
Location: France
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| Posted: Wed Jun 10, 2020 4:57 pm Post subject: |
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The conrods has been designed, and ordered to the factory this morning 
The weight should be near 570g without the bolts. It corresponds to 600-610 g with the ARP bolts. This is an estimation. We hope the parts to be available within 2 months. |
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safe
Joined: 18 Mar 2017
Posts: 171
Location: Sweden
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| Posted: Wed Jun 10, 2020 5:05 pm Post subject: |
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| Coco_Lev wrote: | The conrods has been designed, and ordered to the factory this morning
The weight should be near 570g without the bolts. It corresponds to 600-610 g with the ARP bolts. This is an estimation. We hope the parts to be available within 2 months. |
Cool, that is light!
Original is 877g and the Aliexpress H-rods I have are 707g (all with bolt I think, 99% certain it were).
What kind of power levels have you designed them for? |
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Coco_Lev
Joined: 04 May 2020
Posts: 21
Location: France
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| Posted: Wed Jun 10, 2020 8:12 pm Post subject: |
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| safe wrote: |
Cool, that is light!
Original is 877g and the Aliexpress H-rods I have are 707g (all with bolt I think, 99% certain it were).
What kind of power levels have you designed them for? |
Previous conrods manufactured has often been set up on >400hp 2L 4cylinders engines without any concern.
Some of these engines have reached 600hp without bending the conrods.
I could give more precise informations if you desire to reach such levels of power!  |
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safe
Joined: 18 Mar 2017
Posts: 171
Location: Sweden
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| Posted: Wed Jun 10, 2020 8:43 pm Post subject: |
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| Coco_Lev wrote: | | safe wrote: |
Cool, that is light!
Original is 877g and the Aliexpress H-rods I have are 707g (all with bolt I think, 99% certain it were).
What kind of power levels have you designed them for? |
Previous conrods manufactured has often been set up on >400hp 2L 4cylinders engines without any concern.
Some of these engines have reached 600hp without bending the conrods.
I could give more precise informations if you desire to reach such levels of power! |
400 is my target! |
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Kenodog
Joined: 25 Jun 2003
Posts: 2584
Location: Vancouver,B.C.
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| Posted: Thu Jul 02, 2020 4:30 am Post subject: |
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Well NOW I see this, right when my motor is nearing completion, lol.
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1979 Euro 931, Olive
1981 931, Sabine
2014 Mazda CX-5 (Kinderwagon)
2008 GS500
2016 DR650
2019 KTM 790 Adventure |
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safe
Joined: 18 Mar 2017
Posts: 171
Location: Sweden
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| Posted: Thu Jul 02, 2020 4:36 am Post subject: |
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Coco, valves looks hard to find, for the NA 924 (I need exhaust valves right now).
You don't have connections that can make some nice stainless inlet and exhaust valves, maybe even 1 or 2 mm oversize?
I would by at least 2 sets. |
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Cédric
Joined: 27 Aug 2004
Posts: 1994
Location: Sweden
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| Posted: Thu Jul 02, 2020 5:03 am Post subject: |
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How have you done with the piston cooling oil squirter hole? Are there any sets extra available?
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´80 924 Turbo |
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MikeJinCO
Joined: 08 Jun 2010
Posts: 929
Location: Maysville, Colorado
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| Posted: Sun Jul 05, 2020 10:32 pm Post subject: |
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Safe-- SI valves have both 924 and 931 valves in their catalog.
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Mike
Poco a Poco, #033 '78 Vintage racer, SCCA Dp-81
'77 924
cricketdesigns.com |
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safe
Joined: 18 Mar 2017
Posts: 171
Location: Sweden
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| Posted: Sun Jul 05, 2020 10:56 pm Post subject: |
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| MikeJinCO wrote: | | Safe-- SI valves have both 924 and 931 valves in their catalog. |
Not anymore... They cant do 9mm stems.
Edit: They have no 9mm blanks was their specific answer. |
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