370 / 371 Exhaust Manifolds

bulky · 07-18-2006, 08:08 AM

Is anyone familiar with the 370 / 371 Olds engine? We have a 370 in the Water Buffalo (Old GMC water truck). The existing manifolds are very thin and I would like to replace them. Does anyone know of a resource to find a decent set of used ones? Or is there a chance they interchange with another Olds engine? Thanks

Brian

Oldsfan · 07-19-2006, 06:38 AM

Here's what my parts book sez:

'49 thru '53 (303) are the same.

'54 thru '56 (324) are the same.

'57 & '58 (371) are the same.

'59 & '60 (371 & 394) are the same.

'61 & '62 (394) are the same.

'63 (394) is by itself, but I only have a '63 book, so '64 may be the same.

'63 is the first year they have a different LH manifold for dual exhaust.

Paul

bulky · 07-20-2006, 12:56 PM

Thanks for the info.... Hopefully that will increase my chances of gettting a set!

07-18-2006, 08:08 AM	#1 (permalink)
bulky Junior Member Join Date: Jul 2006 Posts: 3	370 / 371 Exhaust Manifolds Is anyone familiar with the 370 / 371 Olds engine? We have a 370 in the Water Buffalo (Old GMC water truck). The existing manifolds are very thin and I would like to replace them. Does anyone know of a resource to find a decent set of used ones? Or is there a chance they interchange with another Olds engine? Thanks Brian

07-20-2006, 12:56 PM	#3 (permalink)
bulky Junior Member Join Date: Jul 2006 Posts: 3	Thanks!!!! Thanks for the info.... Hopefully that will increase my chances of gettting a set!

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07-19-2006, 06:38 AM	#2 (permalink)
Oldsfan Senior Member Join Date: Jul 2006 Posts: 470	Here's what my parts book sez: '49 thru '53 (303) are the same. '54 thru '56 (324) are the same. '57 & '58 (371) are the same. '59 & '60 (371 & 394) are the same. '61 & '62 (394) are the same. '63 (394) is by itself, but I only have a '63 book, so '64 may be the same. '63 is the first year they have a different LH manifold for dual exhaust. Paul