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TOPIC: INTERNATIONAL 345V8 IGNITION DWELL ANGLE

INTERNATIONAL 345V8 IGNITION DWELL ANGLE 29 Jun 2020 16:05 #211979

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Hi guys I am doing a tuning check up my ACCO 510A 345V8 and if anyone knows the dwell angle for that engine it would be very appreciated.
Thanks in advance .Abbuss

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INTERNATIONAL 345V8 IGNITION DWELL ANGLE 29 Jun 2020 17:07 #211980

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Timing is set at T.D.C., spark plug gap is .030" and dwell is 28-32 degrees.
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INTERNATIONAL 345V8 IGNITION DWELL ANGLE 29 Jun 2020 17:25 #211981

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Thanks very much Lang we will see how she goes now.Abbuss

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INTERNATIONAL 345V8 IGNITION DWELL ANGLE 29 Jun 2020 19:13 #211988

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Lang are you sure ignition timing is set at TDC?
Many useful things fall off trucks

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INTERNATIONAL 345V8 IGNITION DWELL ANGLE 29 Jun 2020 19:39 #211990

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That is from a 1973 American International 1110 workshop manual.

There is a bit of discussion on the International site saying if the 345 is pushed to 3 deg BTDC they are prone to overheat before any detonation is evident. Like all discussions there are people for and against.

Here is a bloke showing how to time a 345. He suggests maximum 5 deg BTDC.


This bloke says 8 deg BTDC but it is on a Scout which consistently runs higher revs than a truck.


Lang

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INTERNATIONAL 345V8 IGNITION DWELL ANGLE 29 Jun 2020 22:02 #211996

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When available I always set the points by dwell, just seems to be a better result.
Cheers Cobba & Cobbarette
Coopernook, The Centre of our Universe.

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INTERNATIONAL 345V8 IGNITION DWELL ANGLE 30 Jun 2020 07:52 #212014

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These came out of my international workshop manual , these should be relevant specs for a 345 Just remember that when you time the engine with a timing light the pickup must be on cyl 8 , cheers , jim.
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INTERNATIONAL 345V8 IGNITION DWELL ANGLE 30 Jun 2020 22:32 #212062

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Why on #8 Rattail? I've not heard of that before and on the car V8's I've had I always did it on #1 with no issues.
Cheers Cobba & Cobbarette
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INTERNATIONAL 345V8 IGNITION DWELL ANGLE 30 Jun 2020 22:49 #212067

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Yep, Inter V8's are definitely timed on No.8
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INTERNATIONAL 345V8 IGNITION DWELL ANGLE 01 Jul 2020 07:54 #212075

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cobbadog wrote: Why on #8 Rattail? I've not heard of that before and on the car V8's I've had I always did it on #1 with no issues.

Yes the correct cylinder is number 8 not number 1 like every other V8 in the world , remember I have one too , I timed mine on number 8 the other day and it’s running perfect, Here is just one example below cobba
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