Will 350 mag sparkplug wires work on 5.7l EFI of the same year?

[thumpar]

I found a good deal on plug wires for a 350 Mag of the same year as my EFI 5.7l motor. Will they work?

 

[stonyloam]

Boat wires need to go around the manifolds and stuff, so automotive wires may be too short.

 

[thumpar]

Boat wires need to go around the manifolds and stuff, so automotive wires may be too short.

I understand that difference. I am not looking at auto wires. The wires I am referring to are for the 350 mag MPI. I was wondering if they would work on a 5.7l EFI. It was a super deal. They are the same block but some different externals.

 

[Fun Times]

The 1996 5.7 and Mag 350 EFI's GM V8 305 / 350 CID engines with Delco HEI ignition are the same part number. New # 84-816608Q70 SPARK PLUG WIRE KIT Old # 84-816608A70.

http://www.mercruiserparts.com/Show_...ION+COMPONENTS

While the GM V-8 305/350 cid engines w/ Thunderbolt IV and V ignition use another part number.
Item number 17, 84-816761Q17 SPARK PLUG WIRE KIT 84-816761A17
Item number 18, 85-63709A1 --BOOT/TERMINAL KIT $4.70 $4.59
http://www.mercruiserparts.com/Show_...ION+COMPONENTS

If the other engine has T.B 4 or 5, then there not going to work due to a design difference between the Distributor cap posts/terminals.

Just saw your latest post. I believe there's going to be a length issue with the mag MPI. They are a different part number. http://www.mercruiserparts.com/Show...r=4&bdesc=DISTRIBUTOR+AND+IGNITION+COMPONENTS

 

[thumpar]

Ok. Thanks Fun Times. Trying to save a buck never works in marine parts but it was worth a try.