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250 292 parts interchange #62812 Sun Jul 09 2006 09:50 PM
Joined: Dec 2001
Posts: 216
O
oldchevy46 Offline OP
Shop Shark
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
Joined: Nov 2002
Posts: 1,007
L
LGriffin Offline
Shop Shark
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
Joined: Oct 2005
Posts: 9
J
jra88 Offline
Junior Member
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
Joined: Mar 2006
Posts: 76
A
Arpee Offline
Wrench Fetcher
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
Joined: Mar 2004
Posts: 154
S
samwise68 Offline
Member
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
Joined: Mar 2005
Posts: 638
C
chevman32 Offline
Shop Shark
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
Joined: Jan 2001
Posts: 667
C
chuckthetruck Offline
Shop Shark

Re: 250 292 parts interchange #62819 Tue Jul 11 2006 02:58 PM
Joined: Jul 2005
Posts: 2,044
C
carolines truck Offline
Shop Shark
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 ...
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Spread On Thin
Above the Collar

BURMA-SHAVE
Re: 250 292 parts interchange #62820 Tue Jul 11 2006 05:02 PM
Joined: Feb 2000
Posts: 3,971
J
Joe H Offline
Shop Shark
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
Joined: Dec 2001
Posts: 216
O
oldchevy46 Offline OP
Shop Shark
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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