jacob_xr6turbo Donating Members 433 Member For: 16y 7m 14d Location: Richmond, Melbourne Posted 20/09/18 03:36 AM Share Posted 20/09/18 03:36 AM Sorry if this has been asked before, but I have the following engine build in my car: - Cosworth Forged Pistons - Howard I-Beam Conrods - ARP Main Studs - ARP Head Studs - Cradle Gurdle - Billet Oil Pump Gears - Steel Head Gasket - Crow valve springs. Is there a recommended oil for this combination? I cant ring the engine builder as they dont exist anymore.. I bought some Penrite racing 15w-50 - 100% pao ester synthetic... Will this be OK? Engine would have like 15,000kms on it maximum. Cheers, Link to comment Share on other sites More sharing options...
arronm Dropping a turd Gold Donating Members 9,520 Member For: 16y 5m 29d Gender: Male Location: Perth Posted 20/09/18 03:59 AM Share Posted 20/09/18 03:59 AM Yep. That will be fine. I have the same combo and run edge 5/40. But 0/40 5/40 15/40 5/50. All OK. Just run FULL synthetic. With 15/50. Just make sure oil is up to temp before revving it up. Link to comment Share on other sites More sharing options...
k31th less WHY; more WOT Site Developer 28,303 Member For: 16y 15d Gender: Male Location: Melbourne Posted 20/09/18 04:01 AM Share Posted 20/09/18 04:01 AM obviously the best would be to call the engine builder and get their recommendation on what oil to use, but you obviously can't... do you have the clearance specifications etc so we can get an idea on viscosity requirements? most fully synthetic oils will be fine, as this chump said ^^ haha 1 Link to comment Share on other sites More sharing options...
Puffwagon Puff Gold Donating Members 15,128 Member For: 9y 2m 27d Gender: Male Location: South Australia Posted 20/09/18 04:05 AM Share Posted 20/09/18 04:05 AM If you don't know what the clearances are then you'd generally wanna check your oil pressure as a guide to what viscosity to choose. Lol Keith, are you reading what I type as I add and subtract from this post? For the most part pressure and oil temp are what to keep an eye on. Link to comment Share on other sites More sharing options...
jacob_xr6turbo Donating Members 433 Member For: 16y 7m 14d Location: Richmond, Melbourne Posted 20/09/18 04:06 AM Author Share Posted 20/09/18 04:06 AM Thanks guys, does anyone know what range the stock FPV oil pressure gauge shows? with the oil that I just dropped it would sit at 1/3 when idling and when I revved it it went to 2/3 under load. I will keep an eye on this new and see what it reads Link to comment Share on other sites More sharing options...
k31th less WHY; more WOT Site Developer 28,303 Member For: 16y 15d Gender: Male Location: Melbourne Posted 20/09/18 04:07 AM Share Posted 20/09/18 04:07 AM (edited) The stock oil pressure gauge is basically useless... install a proper pressure/temperature gauge and go from there. 5 minutes ago, Puffwagon said: Lol Keith, are you reading what I type as I add and subtract from this post? I try not to read minds... but sometimes it just happens Edited 20/09/18 04:10 AM by k31th Link to comment Share on other sites More sharing options...
jacob_xr6turbo Donating Members 433 Member For: 16y 7m 14d Location: Richmond, Melbourne Posted 20/09/18 04:08 AM Author Share Posted 20/09/18 04:08 AM 6 minutes ago, k31th said: obviously the best would be to call the engine builder and get their recommendation on what oil to use, but you obviously can't... do you have the clearance specifications etc so we can get an idea on viscosity requirements? most fully synthetic oils will be fine, as this chump said ^^ haha Thanks mate I have been told it was built by Duane Evans at hi torque performance when they were around.. no idea on the clearance specs or anything :( Link to comment Share on other sites More sharing options...
k31th less WHY; more WOT Site Developer 28,303 Member For: 16y 15d Gender: Male Location: Melbourne Posted 20/09/18 04:12 AM Share Posted 20/09/18 04:12 AM surely hi torque are still around... anyway, if it was him, try and find out some of the previously employed people at that business (Duane himself or otherwise) to see if you can get some historical data on how they build such engines. Link to comment Share on other sites More sharing options...
jacob_xr6turbo Donating Members 433 Member For: 16y 7m 14d Location: Richmond, Melbourne Posted 20/09/18 04:29 AM Author Share Posted 20/09/18 04:29 AM https://www.google.com/search?safe=off&source=hp&ei=HCGjW82ZKNv4wAO24ZG4Bw&q=Hi-Torque+Performance+in+Doveton&oq=Hi-Torque+Performance+in+Doveton&gs_l=psy-ab.3...445.445.0.630.2.1.0.0.0.0.0.0..0.0....0...1c.1.64.psy-ab..2.0.0.0...0.-qi4q3C-mwQ says they are permanently closed.. but there is a shop on the gold coast with the same name. but yeh this one in doveton was the shop that built it I believe. cant even seem to find much on duane himself on google ? Link to comment Share on other sites More sharing options...
k31th less WHY; more WOT Site Developer 28,303 Member For: 16y 15d Gender: Male Location: Melbourne Posted 20/09/18 04:45 AM Share Posted 20/09/18 04:45 AM hmm, yeah, the one in QLD is the one I was thinking of... probably should have guessed you meant a Melbourne workshop... Link to comment Share on other sites More sharing options...
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