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73-87 Chevy _ GMC Trucks => Engine/Drivetrain => Topic started by: Sberman1983 on November 10, 2012, 02:20:48 pm

Title: 1983 305 hei help
Post by: Sberman1983 on November 10, 2012, 02:20:48 pm
I have the one without vacuum advance on it can i replace it with one that does have it on it  being as i already have a new one
Thanks
Title: Re: 1983 305 hei help
Post by: 454Man on November 10, 2012, 06:02:24 pm
Yes but you need to limit the vac advance to 10°btc and get the mechanical advance to 20 to 24° and all in by 3000 rpm
Title: Re: 1983 305 hei help
Post by: Sberman1983 on November 10, 2012, 06:05:36 pm
Thanks. Is that hard to do. Or should i just get get a new one without the vacuum advance on it.  They are not cheap though
Title: Re: 1983 305 hei help
Post by: 454Man on November 10, 2012, 06:39:59 pm
Not hard I let my little girl 11year old do it last time
Title: Re: 1983 305 hei help
Post by: 454Man on November 10, 2012, 06:42:57 pm
Goggle limit vacuum advance and them mechanical advance. sounds like it isn't some thing you do often., so read up first then goggle 375/41hei center plate and weights
Title: Re: 1983 305 hei help
Post by: Sberman1983 on November 10, 2012, 07:13:40 pm
Ok thanks. Yep this would be my first. Im a virgin on this more familiar with harley motors 
Title: Re: 1983 305 hei help
Post by: 454Man on November 10, 2012, 09:13:45 pm
Great! read up. Take your time this is critical to the life of  your engine so take you're time and read the forum threads you find.and ask questions when needed. there are alot of good guys here with answers.
Title: Re: 1983 305 hei help
Post by: Sberman1983 on November 10, 2012, 11:51:00 pm
Seeing that.  :) thanks