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Old 05-01-2002, 02:03 PM
Registered User
Join Date: Jan 2002
Posts: 177
RPMS when correctly tuned?


I've just tuned the engine on my 72 350 sl. and I think I've solved my hot start problem.
The tune up specs for the 72 450 litre engine rpms is 700-800.
The needle on the tach that I use to tune the engine fluctuates within this range, 700-750 and occasionally up to 800.
Is this acceptable?
I haven't checked the CO at the tail pipe yet, but the tail pipe drips water at idle.
Is this an indication of anything significant, i.e. within specified CO
Also, Hill, my rpms at 60 mph is around 2,800.

Thanks for any and all responses.

72 350SL #69
73 450SL Parts Car?
78 450sl Parts Car
79 450SLC - Sold
1985 280sl
87 190E 2.6 - Donated
90 300E-Junked
97 E420
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