Dorman Manifolds for '94 XLT 3.0

[MA Ranger]

Has anyone installed Dorman 674-361 (passenger side) and 674-410 (driver side) manifolds on a '94 3.0 XLT? I just bought these for my truck. Dorman, Rock Auto and AutoZone web sites all say these are the right parts for this truck. The studs mounting the old manifolds to the heads look like M8 1.25 (pretty worn and rusty, but a M8 1.25 nut will fit on the ones that are in better shape). The bolt holes on the new manifolds look more like M10 (maybe I should put metal sleeves or spacers in the bolt holes for a better fit?) . Has anybody run across the same issue with these manifolds and were you able to use them on your '94 3.0? Thanks!

 

[MA Ranger]

I sent an e-mail to Dorman Technical Support (techsupport@dormanproducts.com) and they replied back that the 10mm bolt holes on these manifolds are compatible with 8mm X 1.25 pitch bolts to mount them on the 3.0's heads. The manifold for the passenger side has been installed on my truck and is working fine. 8mm X 30mm bolts were used for the "short holes" and 8mm X 70mm were used for the "long holes". All bolts are grade 10.9, 1.25 pitch and I bought them at the local ACE Hardware. Also, Dorman's Tech Support phone number is 1-866-933-2911.