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TOPIC: compression testing and timing tools needed for a 1963 Merc 450

compression testing and timing tools needed for a 1963 Merc 450 16 May 2018 08:25 #85018

I just ordered a Mercury Dial indicator gauge with all the different BTDC fittings.
The Mercury service manual for my Merc 450 says set BTDC at .235 The gentleman who I bought this tool from johnsmcintoshvintagemercuryoutboard.com/
told me to retard it a bit, about .210 is what he does. John told me gas from the 50's-60's had a little more kick back then. and doing this would help.

He also told me NO ETHANOL

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1958 Hawk II Mercury 450
Marc Donnelly

compression testing and timing tools needed for a 1963 Merc 450 16 May 2018 08:14 #85017

I think the tech over at TT thought that I was joking when I told him to go to the web site for some orders.
The following user(s) said Thank You: jabe

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1958 Hawk II Mercury 450
Marc Donnelly

compression testing and timing tools needed for a 1963 Merc 450 16 May 2018 08:12 #85016

Just ordered one yesterday TT 2CRXL also. Steve the Tech over at TT said to call him when I go to install the gauge and he would walk me thru installing it.

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1958 Hawk II Mercury 450
Marc Donnelly

compression testing and timing tools needed for a 1963 Merc 450 15 May 2018 16:57 #84999

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jabe wrote: if you call the guy tomorrow, ask him too sign on too the forum, he could double his sales for these with this group, having easy access too them direct.........cheers


Group Buy Discount!! :)

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compression testing and timing tools needed for a 1963 Merc 450 14 May 2018 22:21 #84992

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if you call the guy tomorrow, ask him too sign on too the forum, he could double his sales for these with this group, having easy access too them direct.........cheers

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compression testing and timing tools needed for a 1963 Merc 450 14 May 2018 21:35 #84989

John, Thanks for that info. The gentleman at tiny tach wanted to know what model you guy's were using, he wasn't sure on what one would work. I will call them back tomorrow.

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1958 Hawk II Mercury 450
Marc Donnelly

compression testing and timing tools needed for a 1963 Merc 450 14 May 2018 21:32 #84988

RickG. Thanks for wanting to help out. I just bought the down loaded version $5. Best 5 bucks I have spent in along time! 450 pages of info,sweet! I have not had a chance to get into it but I will.

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1958 Hawk II Mercury 450
Marc Donnelly

compression testing and timing tools needed for a 1963 Merc 450 14 May 2018 21:13 #84987

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Moe wrote: Not to highjack the thread, but I'm guessing setting timing once the mag has been removed isn't as easy as lining up the marks on the mag pulley and the ring gear ? I don't have my manual in front of me at the moment.


Yeah, there's several pages in the manual that cover this along with syncing the mag to the carbs. I'd bet that if the linkages haven't been disassembled and the points are set correctly, it's probably already pretty close. Hawk, if you shoot me your email in a PM I'll scan the relevant pages for you. Having the whole manual around is extremely helpful with Mercs though. ...unlike OMCs where most operations go more like "whack with hammer or pry with screwdriver until it works." :biggrin:

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'54 Vagabond / '55 Mark 55E
'59 Crestliner Jetstreak / '60 Merc 300
Etched panels and reproduction parts

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compression testing and timing tools needed for a 1963 Merc 450 14 May 2018 19:46 #84985

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I purchased a Tiny Tach last year for my 1957 Evinrude 35 and it works well. However I was told to order model TT 2 CRXL which I did. I think the XL may stand for extra long since I ordered mine with a 15 foot coax cable so I could mount it on my dash.

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John

1958 Vagabond II & 35 HP Evinrude
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compression testing and timing tools needed for a 1963 Merc 450 14 May 2018 18:44 #84983

This is all new to me. But I have lined up the marks on the mag pulley and the gear. But now don't I have to set the advanced timing to a certain degree?

Called tiny tach they recommend a TT 2 AM.

Anyone here have good luck with this model?

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1958 Hawk II Mercury 450
Marc Donnelly
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