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06-29-2022, 09:23 PM
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#1 |
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Board Member
Join Date: Aug 2014
Location: Vancouver, wa
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CAM advance
I have a question about CAM advancing.
I am running round tooth oil squirter block in my 92 740. Upgrades i have done. IPD turbo cam. Chipped. DO88 intercooler. TD04H-15G. MBC 10psi max boost. So my question is i found a sweet spot with 5° CAM advance, is there any harm going that far? I got a far bit of torque at the bottom end, turbo spools really fast. There is no turbo lag i can feel, infact i hear a lot more tubro spool whine when I get on it. I am at fill 10psi boost by 2500rpm when I step on it. Should I be worried about extra heat or anything like that? |
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06-30-2022, 08:35 PM
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#2 |
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Old and boxy but good.
Join Date: Jun 2002
Location: S NJ, a suburb of Phila.
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If you are running premium and haven't heard any bad noises. You will be fine. I run 2 advanced on my turbo and 6 advanced on my n/a car.
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Dave, 1982 242 turbo. 338k miles. MVP coilovers and 3" exhaust. Flowed 405 with a V15. Cossie turbine housing with upgraded compressor housing. 90+, IPD remote oil filter. Some other goodness, too. Been lots of fun over 25 years. Restored in 2k. Now ready for a 2nd restoration. 1993 245 Classic, 440k miles, enem V15. IPD bars and chassis braces. Simons sport exhaust from Scandix. sbabbs ezk chip. Been a good road warrior. Genuine Volvo rebuilt leaky M47. 
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07-01-2022, 03:59 PM
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#3 |
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I.M. Weasel
Join Date: Sep 2011
Location: Driving the No Malarkey Bus
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Went the opposite on the autocross car, 3° retarded it's a tiny bit laggy but it's a monster mid and upper rpm range.
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Living life one day at a time. Stopping to smell the oil slick beneath my Volvos. |
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07-04-2022, 11:41 AM
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#4 | |
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Board Member
Join Date: Aug 2014
Location: Vancouver, wa
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Quote:
The car is so much fun to drive with that low to mid-range power and I still have enough top end to pass people. If I were racing I would pull back on the cam timing because at 0 I would hit about 3500 RPM and it would just launch. since this is my DD I like having the low to mid-range power. I have a feeling if the exhaust was upgraded from stock that would help out the top end. |
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