PCM Diagnostics & Tuning HP Tuners | Holley | Diablo

timing question

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Old Jul 5, 2014 | 01:58 PM
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Ok, so like an idiot I got into a hurry changing my timing chain to a double roller and by mistake set the crank key to -8 degrees on the timing but had the cam gear degreed correctly. I took it to get tuned last weekend and my tuner mentioned numerous times the car wanted way more air and fuel than it needed. And mentioned it kept wanting 8 degrees more timing and he could never really dial it in correctly. Well after an hour or so of messing with it he told me I needed to check the timing on the cam gear because I was missing at least 180hp being I have a 408 and still made 330hp as it was at the time. After I tore into it I found that I set it up wrong. Could this be all that is contributing to my power loss or should I check else ware? I did a compression test just to be safe and all eight cylinders came out perfect. I just want to make sure I dont need to look else ware before it goes back to him next weekend.
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Old Jul 5, 2014 | 03:46 PM
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Ya, with the cam off, nothing flows right.
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Old Jul 5, 2014 | 04:03 PM
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Thanks, I hate tearing back into my work for dumb mistakes. Really just wanted to make sure I shouldnt look any where else being its a two hour trip to the dyno.

Originally Posted by Iam Broke
Ya, with the cam off, nothing flows right.

Last edited by D01ss; Jul 6, 2014 at 09:15 AM.
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Old Jul 5, 2014 | 05:51 PM
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You are lucky it ran ok that far off. Most sputter & cough one tooth out.
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