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Forced Induction Turbo, Supercharger, Methanol, Nitrous


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Old 12-15-2015, 02:35 PM   #127
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Good to have you here Matt. So what's Cosworth SC Stage 2.5?

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Old 12-15-2015, 03:57 PM   #128
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Wondered if anyone would spot that
I'm trialling a slightly smaller pulley on our dev car spins about 10% faster so boost is up to 0.6Bar up from 0.5Bar
not had it on the dyno but scaling power off the increase in measured airfllow it should be about 300 +Bhp
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Old 12-16-2015, 07:05 AM   #129
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Some pics on my oil cooler setup.









I special ordered a mocal sandwich plate with a 99C (210F) thermostat to try to prevent overcooling of the oil.

Oil stabilised at about 97C (207F) measured at the oil switch point, after a decent hoon and 14C (57F) ambient. So i'd say that's not being overcooled too much.

Hopefully track temps in the summer will stay suitably low, otherwise I may need to rethink the air guide.
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Old 12-16-2015, 11:43 AM   #130
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Very nice bracket @ajc209! Are you planning to modify the fender liner at all? I'm trying to figure out how modify mine to allow for some flow (ie cut outs, louvers, etc.)
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Old 12-16-2015, 11:50 AM   #131
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Very nice bracket @ajc209! Are you planning to modify the fender liner at all? I'm trying to figure out how modify mine to allow for some flow (ie cut outs, louvers, etc.)
I dont have any plans at the moment. There is fairly decent sized hole/section on the inner side of the Fender wing (im british LOL) liner next to the oil cooler where air can escape.

I'll see what track temperatures look like and if I need to drop oil temps a bit more I will look at improving airflow.

Cirtainly the hoon I went on today on an NA car would have exceeded 120C (248F), so with the supercharger I was quite suprised it stayed so low.
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Old 12-16-2015, 04:33 PM   #132
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Some pics on my oil cooler setup.









I special ordered a mocal sandwich plate with a 99C (210F) thermostat to try to prevent overcooling of the oil.

Oil stabilised at about 97C (207F) measured at the oil switch point, after a decent hoon and 14C (57F) ambient. So i'd say that's not being overcooled too much.

Hopefully track temps in the summer will stay suitably low, otherwise I may need to rethink the air guide.
This is tempting to do, but I don't think the hosing from my perrin kit would work. Your setup is similar to the AVO and Greddy oil coolers. Of course, since I don't track my car, I assume it would be fine to leave mine front and center.
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Old 12-16-2015, 04:44 PM   #133
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It will be fine. It's a small radiator (setrab 611 or 613 iirc?) so it won't obstruct too much. I've gone for a 619 which is a fair bit taller and would really obstruct flow through the radiator. I kinda need it as ive seen insane oil temps in NA form. I like long track sessions :-)

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Old 12-16-2015, 04:47 PM   #134
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P.s. yes the hoses from the perrin wouldn't be long enough so you'd need new hoses and possibly fittings at each end if you damage or stuggle to get them off.

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Old 12-16-2015, 05:20 PM   #135
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Yeah, I'm not gonna bother moving the cooler. Though, it would be nice to get some gauges to monitor temps and such. But... I've got other priorities right now.
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Old 12-17-2015, 08:32 AM   #136
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P0171 is lean on bank 1. Check all in take pipes including the breathers. Make sure the manifold is torqued down properly - if one side is tight and the other looser it can cause an air leak.

Next thing is to check the exhaust manifold. I replaced the gaskets on my stock manifold because one cyclinder, I forget which one, was showing signs of exhaust gas creepage.

C1201 shows as an ABS related fault. Makes no sense to me that one, but hopefully Cosoworth might be able to help.

I'd speak directly with Matt Feasey rather than Cosworth USA.
I have also had the p0171 CEL It is very unpredictable so I have not been able to log it. However I have not had it come on at the track/autocross only at moderate to slow cruising speed. Will be replacing my exhaust to day a so I will check everything on the bottom end. I will be replacing the supercharger unit do to a leaky nose seal. can't wait for her to be back up and running.
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Old 12-17-2015, 10:07 AM   #137
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You havent had much luck have you Jerry.

What exhaust are you fitting?
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Old 12-17-2015, 02:44 PM   #138
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seems to always be something cosworth sent me a new exhaust, resonator back, a long with a new supercharger.just got the exhaust on and it sounds great again. now on to the supercharger.
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Old 12-17-2015, 06:36 PM   #139
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Ok so like I said I put the new exhaust on with no issue. Started to look at the manifold and noticed small cracks by the welds that hold the pipes together. This has been one thing after another starting to ? the whole thing spending this kind of money we should not have these issues.
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Old 12-17-2015, 06:40 PM   #140
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Ok so like I said I put the new exhaust on with no issue. Started to look at the manifold and noticed small cracks by the welds that hold the pipes together. This has been one thing after another starting to ? the whole thing spending this kind of money we should not have these issues.
You should post some pictures so we can see. Are they serious looking?
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