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250 292 parts interchange #62812
Sun Jul 09 2006 09:50 PM
Sun Jul 09 2006 09:50 PM
O
oldchevy46  Offline OP
Shop Shark
Joined: Dec 2001
Posts: 216
Moscow, ID. USA
will any of the manifolds interchange on the older 250 292s? from what I have seen every thing does not line up just right.


Luke Dahlin

1946 Chevy 2 ton
1966 Chevy 2 ton
1969 Chevy 3/4 ton 4wd
http://www.stovebolt.com/gallery/dahlin_luke_1969.html]1969 Chevy 3/4 ton 4x4
Re: 250 292 parts interchange #62813
Mon Jul 10 2006 01:32 AM
Mon Jul 10 2006 01:32 AM
L
LGriffin  Offline
Shop Shark
Joined: Nov 2002
Posts: 1,007
Oakdale, CA
There shouldn't be any problems swapping 194/230/250/292 manifolds. The exception is replacing a Integral head with and earlier head. Can you be a little specific as to what is not lining up?

Larry


I don't own a vehicle that isn't old enough to drink.
Re: 250 292 parts interchange #62814
Mon Jul 10 2006 04:28 AM
Mon Jul 10 2006 04:28 AM
J
jra88  Offline
Junior Member
Joined: Oct 2005
Posts: 9
North Alabama
250 head on a 292 is simply a power thief wont breath as good course i smoke n i dont breath as good ether and i also lack power at times


1961 c65 flat dump
1973 c50 flat bed
Re: 250 292 parts interchange #62815
Mon Jul 10 2006 05:03 PM
Mon Jul 10 2006 05:03 PM
A
Arpee  Offline
Wrench Fetcher
Joined: Mar 2006
Posts: 76
Box Elder, SD
Not sure why there should be any difference. The heads are interchangeable and have the same size valves etc. The manifolds will bolt from one to the other. I have mixed and matched them and haven't noticed a difference.

Re: 250 292 parts interchange #62816
Mon Jul 10 2006 09:25 PM
Mon Jul 10 2006 09:25 PM
S
samwise68  Offline
Member
Joined: Mar 2004
Posts: 154
Rhinelander, WI
most everything will interchange on these engines.

different between a 292 and 250 in the head is nothing. the only change was the 194 had a smaller cumbustion chamber, so it would up compression if used on a bigger doisplacement engine. other wise...the manifolds are exactley the same.


1969 K20 , with a '67 front clip. fleetside. 292, 3x1 offy, headers. sm465 4spd. getting put back together, almost ready for paint.
doing it all myself.
19 and lovin' it.

"proper" is so over-rated.

.later days.
.sam.
Re: 250 292 parts interchange #62817
Tue Jul 11 2006 06:18 AM
Tue Jul 11 2006 06:18 AM
C
chevman32  Offline
Shop Shark
Joined: Mar 2005
Posts: 638
Sanger, Ca.
Samwise has it right, the heads are all exactly identical for 230, 250, 292 engines. Just don't get one with integral manifolds, they are severly restricted on breathing. The 194 heads will bolt on but are higher compression and with smaller valves, not recommended for any performance increase. All manifolds will bolt up exactly, there is no difference in any of the 4 engine displacements.

Re: 250 292 parts interchange #62818
Tue Jul 11 2006 11:19 AM
Tue Jul 11 2006 11:19 AM
C
chuckthetruck  Offline
Shop Shark
Joined: Jan 2001
Posts: 667
usa

Re: 250 292 parts interchange #62819
Tue Jul 11 2006 02:58 PM
Tue Jul 11 2006 02:58 PM
C
carolines truck  Offline
Shop Shark
Joined: Jul 2005
Posts: 2,043
nor cal foothills
another queerie.........

please explain exactly what makes an Integral head?

I'm only familiar w/ later swappable heads.


Jim & Caroline

The highway is for gamblers
Better use your good sense."
Gooday
that's my 1ยข answer due to the lousy economy ~ cause I ain't got - no . mo . doe

Lucinda Otter-Purr our 51-3104 bolt
http://s67.photobucket.com/albums/h298/1951otter/?start=all
Inliner #4655

Every Shaver
Now Can Snore
Six More Minutes
Than Before ...
Half A Pound for
Half a Dollar
Spread On Thin
Above the Collar

BURMA-SHAVE
Re: 250 292 parts interchange #62820
Tue Jul 11 2006 05:02 PM
Tue Jul 11 2006 05:02 PM
J
Joe H  Offline
Shop Shark
Joined: Feb 2000
Posts: 3,933
Lee's Summit Mo. 64086
The integral head has the intake cast into the head, its all one piece. The intake runners are small and not well designed. The exhaust manifold comes off I think??? not 100% sure of that, but it to is a piece of smog crap. Its a very poor design for any kind of performance use. There is no headers or manifolds that work with this head. I threw mine away, never even looked at it!

The early heads with smog tubes are just the same as those with out. They simply drilled holes in the outer part of the exhaust port so the could inject fresh air in to the exhaust flow. The fresh air would help burn out some of the emissions. You can plug them very easy.

All of the other heads are so close in CC's except the 194, that they can be swapped with no problem. Intakes are all the same design as well as the exhaust manifolds. The later 292's might of had a different flange at the pipe outlet, but port design was the same.


The real difference in 230/250 and the 292 is the bore, stroke, block height, and camshaft. All the other parts will interchange. The cams will interchange as well if you use a electric fuel pump. Joe

Re: 250 292 parts interchange #62821
Thu Jul 13 2006 06:44 AM
Thu Jul 13 2006 06:44 AM
O
oldchevy46  Offline OP
Shop Shark
Joined: Dec 2001
Posts: 216
Moscow, ID. USA
The problem is that I have aqired a good manifold set from a "supposedly 292" for free to replace the broken one on my Brothers 292.
But the center ports and bolts on the replacement manifold do not line up with cylender head when the outer bolts are installed

(so that was why I thought mabe it was a 250 part)


Luke Dahlin

1946 Chevy 2 ton
1966 Chevy 2 ton
1969 Chevy 3/4 ton 4wd
http://www.stovebolt.com/gallery/dahlin_luke_1969.html]1969 Chevy 3/4 ton 4x4
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