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77 ltd 351 gas help 

 

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 Post subject: 77 ltd 351 gas help
Posted: Mon Jul 17, 2006 9:36 pm 
Tyre Shredder
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hello to all I have a ltd on gas bottom end is still good with new heads. dizzy has no vacume advance so thinking of new one, just wondering if any one has tried the HEI dizzy's ? also thinking of replacing the cam and putting in timing gears if anyone has got any ideas. heads have 130lbs valve spings and running C4 stage 2 shift not to familuar with brand or tech stuff as this is my first real v8. thanks any info greatly appreciated
cheers lou

    Last edited by mrghia on Sun Jul 23, 2006 2:29 pm, edited 1 time in total.

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    Posted: Tue Jul 18, 2006 12:08 pm 
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    What block have you got mrghia?

    Pete.
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    Posted: Sun Jul 23, 2006 2:28 pm 
    Tyre Shredder
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    the block is the original 351 and is stock as far as i know or did you mean some thing different?
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    Posted: Tue Jul 25, 2006 5:21 pm 
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    If you can post the engine stamp on the block
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    Posted: Tue Jul 25, 2006 5:27 pm 
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    If it's original it will be a blue motor.
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    Posted: Tue Jul 25, 2006 6:20 pm 
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    blue block or black block?
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    Posted: Wed Jul 26, 2006 1:36 am 
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    I wanted to know the block type because of the distributor pilot size. Late XD-XE blocks have a smaller pilot hole(the hole in the block below the distributor gear) therefore you can't use a late electronic distributor from the XD-XE engine in your early block.
    In your case you would need to go with an aftermarket electronic unit with vacuum advance type...Crane,Accell,MSD, Scorcher etc etc.
    Don't touch cheap rubbish like procomp.

    Pete.
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    Posted: Wed Jul 26, 2006 1:20 pm 
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    I ran a blue block in my XD with XD dizzy, but i got an electronic dizzy (Remote module type) from an XC and got the shaft fitted to the XD dizzy to stop it floating.

    Although i did run the std XD shaft in the blue block for a cpl of years without any probs.

    Black block shaft is 500 thou, Blue is 530 thou.
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    Posted: Wed Jul 26, 2006 8:56 pm 
    Tyre Shredder
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    the motor is a blue block with electronic ingnition
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    Posted: Thu Jul 27, 2006 12:17 pm 
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    What sort of electronic ignition?
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    Posted: Thu Jul 27, 2006 9:53 pm 
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    dunno its my dads car will find out. but think its the basic one
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    Posted: Thu Jul 27, 2006 11:42 pm 
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    mrghia wrote:
    dunno its my dads car will find out. but think its the basic one


    ahhh riiight the basic one.
    Does it have a remote module mounted in the engine bay with cooling fins and a transistor? If so this in the XC type electronic ignition...it's like the XD-E one but with a remote module. These are good so I wouldn't bother buying anything else unless you wanted multiple spark. A Crane Hi-6 or MSD brand multi-spark unit will work with the stock electronic dizzy.
    You should be able to find another stock dizzy with vac advance on it and either fit it to yours or use it complete.

    Pete.
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