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Username Post: 5.7 MFI spider injectors        (Topic#360611)
Texasslim 
Newbie
Posts: 3

Reg: 04-19-20
04-21-20 11:55 AM - Post#2791704    

Can someone PLEASE tell me the difference between these 2 ac delco injectors? Besides the price difference.

Part # 2173029
# 19210687

Heres a link to rockauto.com catalog but I'm not sure I'm doing it right

rockauto.com



 




paulo57509 
Senior Member
Posts: 462

Loc: Tracy, CA
Reg: 07-18-00
05-26-20 07:46 AM - Post#2794874    
    In response to Texasslim

  • Texasslim Said:
Can someone PLEASE tell me the difference between these 2 ac delco injectors? Besides the price difference.

Part # 2173029
# 19210687

Heres a link to rockauto.com catalog but I'm not sure I'm doing it right

rockauto.com



Probably no help at this point, but I think they're identical. I have a feeling that P/N 2173029 has been superseded by P/N 19210687.

The 3029 number is probably left over stock.


1987 IROC-Z 5.0L
1992 Lumina Euro 3.1L
2003 GMC Safari


Edited by paulo57509 on 05-26-20 07:48 AM. Reason for edit: No reason given.

 
gchemist 
Member #271 Senior Chevytalk Moderator
Posts: 25197
gchemist
Loc: Austin, TX 78748
Reg: 05-09-00
06-01-20 01:56 PM - Post#2795409    
    In response to paulo57509

Looks like one has the bolt down saddle included. You need a 5.5 mm socket to get it off.

'83 Silverardo XST - ZZ4 powered
'95 Jimmy SLT (Bought @131,814)
'96 GMC Jimmy LS Ret. @236651 miles
'08 GMC Acadia 3.6L SLE


 
1983G20Van 
Super Senior Member
Posts: 3824

Loc: Bedford, Texas, USA
Reg: 11-13-02
06-07-20 10:59 AM - Post#2795825    
    In response to gchemist

  • gchemist Said:
Looks like one has the bolt down saddle included. You need a 5.5 mm socket to get it off.



The bolt down saddle on my 97 Express van was either a T50 or T55.

1983 G20 Van, 350 TPI, Ported 906 Vortecs, Edelbrock 3817 Base, ASM oversize runners. Reed Custom Roller cam, 700r4, 12 bolt with 3.08 gears, Doug Thorley Tri-Y headers, true duals


 
someotherguy 
Senior Moderator
Posts: 29204
someotherguy
Age: 50
Loc: Texas
Reg: 08-01-03
06-16-20 12:25 PM - Post#2796500    
    In response to 1983G20Van

  • 1983G20Van Said:
  • gchemist Said:
Looks like one has the bolt down saddle included. You need a 5.5 mm socket to get it off.



The bolt down saddle on my 97 Express van was either a T50 or T55.


T50/T55? That's a monster; are you sure? That's the size for the seat belt bolts..

Richard

06 Silverado ISS / 06 Silverado SS / 06 300C SRT8


 
1983G20Van 
Super Senior Member
Posts: 3824

Loc: Bedford, Texas, USA
Reg: 11-13-02
07-03-20 06:03 PM - Post#2797827    
    In response to someotherguy

Yep I am sure. It was a monster of a head with a small actual thread.

1983 G20 Van, 350 TPI, Ported 906 Vortecs, Edelbrock 3817 Base, ASM oversize runners. Reed Custom Roller cam, 700r4, 12 bolt with 3.08 gears, Doug Thorley Tri-Y headers, true duals


 




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