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Username Post: Will a HEI fit in a 55        (Topic#360663)
rusty62 
Contributor
Posts: 120

Reg: 03-11-13
04-25-20 06:53 AM - Post#2792033    

My 55 Nomad has a SBC 327 with the orig points type dist.
I would like to change to a HEI.
Will it fit with any mods to firewall??



 


Shepherd 
Frequent Contributor
Posts: 2154

Loc: Lake George, NY
Reg: 11-11-15
04-25-20 09:52 AM - Post#2792045    
    In response to rusty62

Should work with a divorced coil.



 
rusty62 
Contributor
Posts: 120

Reg: 03-11-13
04-25-20 01:42 PM - Post#2792057    
    In response to Shepherd

I dont know any divorced coils.
Would like to use large cap HEI
with coil in the unit



 
Shepherd 
Frequent Contributor
Posts: 2154

Loc: Lake George, NY
Reg: 11-11-15
04-25-20 03:33 PM - Post#2792066    
    In response to rusty62

Hei distributors are made with seperate coils, hold on maybe someone has a direct answer, but' from the cars I've seen, they had seperate coils.












 
Bad56Sedan 
"14th Year" Gold Supporting Member
Posts: 1276
Bad56Sedan
Loc: Pasadena, Texas
Reg: 04-29-04
04-26-20 06:09 AM - Post#2792114    
    In response to rusty62

pre '84 HEI cap will not clear the firewall
if the block is in the stock position


VC56S 2 door Sedan, 40 Years

[image]https://www.chevytalk.org/fusionbb/fbbavatars/a v-3564-1354211547.jpg[/image]


 
toms57 
Senior Member
Posts: 529

Loc: Caney, Ks, USA
Reg: 10-28-01
04-26-20 11:04 AM - Post#2792142    
    In response to Bad56Sedan

A small cap HEI will work. MSD or other Manufacturers will clear the stock firewall.




 
Bad56Sedan 
"14th Year" Gold Supporting Member
Posts: 1276
Bad56Sedan
Loc: Pasadena, Texas
Reg: 04-29-04
04-26-20 06:05 PM - Post#2792176    
    In response to toms57



MSD8570 is the small diameter distrib

VC56S 2 door Sedan, 40 Years

[image]https://www.chevytalk.org/fusionbb/fbbavatars/a v-3564-1354211547.jpg[/image]


 
acardon 
Ultra Senior Member
Posts: 11420
acardon
Loc: DFW TEXAS
Reg: 03-25-05
04-27-20 11:32 AM - Post#2792241    
    In response to Bad56Sedan

A MSD8570 requires a ignition box. It is not a stand-alone distributor.

I have heard of coil in cap distributors fitting in some tri5's but it won't fit in most cars.

Pertronix, MSD, and others make small cap external coil electronic distributors that don't need an ignition box.

Don
66 Corvair (driving)
57 2dr HT (driving)
56 2dr HT (waiting to be restored)


 
rusty62 
Contributor
Posts: 120

Reg: 03-11-13
04-27-20 11:45 AM - Post#2792242    
    In response to acardon

I think for right now, due to cost and extra equipment, that I will stay with the
old school points. At least I know how
to change them, check dwell, etc.
thanks
jack



 
55MAS 
Senior Member
Posts: 1538

Loc: North Coast, USA
Reg: 12-19-01
04-28-20 03:07 PM - Post#2792308    
    In response to rusty62

  • rusty62 Said:
I think for right now, due to cost and extra equipment, that I will stay with the
old school points. At least I know how
to change them, check dwell, etc.
thanks
jack



Consider one of the many available no-points electronic conversion kits that installs in your present distributor.



 
pauldian 
Contributor
Posts: 335
pauldian
Loc: seligman,arizona
Reg: 05-14-09
04-29-20 10:45 AM - Post#2792366    
    In response to 55MAS

I Agree !



 
rod 
Member #248 Senior Member
Posts: 1713

Loc: kingman,az
Reg: 04-29-00
05-17-20 12:03 PM - Post#2794028    
    In response to pauldian

the big cap [coil in cap] dist. will fit some cars. depends on the condition of the motor mounts [mostly] and to some extent how the body is positioned in relation to the frame [front to back]
several guys told me they would not fit. so I never tried. a friend gave me a small body MSD, with the 'cap-a-dapt' which uses the big Ford cap. it went right in [with just a bit of clearance]. then I tried an HEI, and it went right in, with even more clearance. so...try it a see.
Rod in AZ



 


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