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The Terminator
Engine/Tuning
Degreeing my cams and my left intake is late 12*
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<blockquote data-quote="Happster" data-source="post: 16280013" data-attributes="member: 76076"><p>Hey all. Upgraded to mid-range comp cams for my 2004 Cobra DOHC heads and am dialing them in. Passenger side was right on the money at 114* for both cams with a 4* bump on the adjustable timing gear. Driver's side has me spinning. Exhaust cam is right at 114* with a 2* bump, but the intake was consistently showing a centerline of 123* or 124*. Cheated it down with the slag in the keyway to about 120, but would like to get it to spec. Given that it is driven by the exhaust cam, I'm not seeing a lot of options. I froze the primary tensioner with a hose clamp and always went clockwise anyway, so chain slag isn't impacting my readings. I'm getting consistent numbers, so the readings are on. Tried swapping out a couple of other secondary chains I had kicking around and either they are all stretched the same amount or none of them are, because the readings stayed the same. I'll go with the latter as more likely. Sprockets look fine and I swapped those out too with no changes. Tried skipping a tooth on the secondary sprocket and it was way to far. Spoke with Comp and they swear up and down the grind can't be off. I'm just about out of ideas. Before I pull out the die grinder to the keyway of a couple of old gears and tinker with that I thought I'd reach out. I don't think they sell adjustable secondary sprockets, do they? Any troubleshooting or fix ideas? Thanks.</p></blockquote><p></p>
[QUOTE="Happster, post: 16280013, member: 76076"] Hey all. Upgraded to mid-range comp cams for my 2004 Cobra DOHC heads and am dialing them in. Passenger side was right on the money at 114* for both cams with a 4* bump on the adjustable timing gear. Driver's side has me spinning. Exhaust cam is right at 114* with a 2* bump, but the intake was consistently showing a centerline of 123* or 124*. Cheated it down with the slag in the keyway to about 120, but would like to get it to spec. Given that it is driven by the exhaust cam, I'm not seeing a lot of options. I froze the primary tensioner with a hose clamp and always went clockwise anyway, so chain slag isn't impacting my readings. I'm getting consistent numbers, so the readings are on. Tried swapping out a couple of other secondary chains I had kicking around and either they are all stretched the same amount or none of them are, because the readings stayed the same. I'll go with the latter as more likely. Sprockets look fine and I swapped those out too with no changes. Tried skipping a tooth on the secondary sprocket and it was way to far. Spoke with Comp and they swear up and down the grind can't be off. I'm just about out of ideas. Before I pull out the die grinder to the keyway of a couple of old gears and tinker with that I thought I'd reach out. I don't think they sell adjustable secondary sprockets, do they? Any troubleshooting or fix ideas? Thanks. [/QUOTE]
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Engine/Tuning
Degreeing my cams and my left intake is late 12*
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