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chevy heads
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WhiteW...@webtv.net
Aug 5, 1999, 3:00:00 AM8/5/99
to
friend of mine blew his street stock up and he gave me the heads off it.
the numbers are 3886889. been to mortex site but they didn,t have it in
there list . does anybody no what they come off?
the numbers are 3886889. been to mortex site but they didn,t have it in
there list . does anybody no what they come off?
Steve
Aug 7, 1999, 3:00:00 AM8/7/99
to
How about a physical description, like valve size, and any marks on
front edge of the casting, like, are they one point on top of a
rectangle, or double humps, etc. also, drilled for accessories, etc.
front edge of the casting, like, are they one point on top of a
rectangle, or double humps, etc. also, drilled for accessories, etc.
Steve
Terry Greene
Aug 7, 1999, 3:00:00 AM8/7/99
to
If I remember correctly, the 889s are what we called "triple step" heads
from the early seventies. Drilled for accessories, three "steps" on one
end, two on the other. 1.94 x 1.5, 76cc chambers. The chambers are
large, but the ports are of decent size and shape. They flow fairly well
actually. With a proper bowl blend these castings will make surprising
power for OEM smog heads.
from the early seventies. Drilled for accessories, three "steps" on one
end, two on the other. 1.94 x 1.5, 76cc chambers. The chambers are
large, but the ports are of decent size and shape. They flow fairly well
actually. With a proper bowl blend these castings will make surprising
power for OEM smog heads.
Terry
NOSPAM@netins.net asterix
Aug 7, 1999, 3:00:00 AM8/7/99
to
i ' d go back and re-read the numbers just one more time just to be shure.
<WhiteW...@webtv.net> wrote in message
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cdmhenry
Aug 12, 1999, 3:00:00 AM8/12/99
to
3886889 .... nice string of easily misread characters. Probably actually
3986339 '71 307 heads, 1.72/1.50 75cc. Not Go Fast Stuff.
CDM
3986339 '71 307 heads, 1.72/1.50 75cc. Not Go Fast Stuff.
CDM
Terry Greene
Aug 13, 1999, 3:00:00 AM8/13/99
to
There were castings ending in 889. They were common on early seventies
two barrel 350s.
two barrel 350s.
NOSPAM@netins.net asterix
Aug 13, 1999, 3:00:00 AM8/13/99
to
3998993 72/73
307/350 75cc head
Terry Greene <xr...@cstel.net> wrote in message
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307/350 75cc head
Terry Greene <xr...@cstel.net> wrote in message
news:37B4CAF0...@cstel.net...
Terry Greene
Aug 13, 1999, 3:00:00 AM8/13/99
to
I must be loosing my feeble little mind. I've been looking through my
casting number list, and I can't find any 889s either. I could have
sworn the OEM heads that came on my 71 Nova 2BBL 350 were 889s. I spent
many hours learning proper porting techniques grinding on that pair, so
I spent a good bit of time looking at them. Was it all just a dream?....
:-)
I'm beginning to wonder. Well, it WAS almost twenty years ago. :-)
casting number list, and I can't find any 889s either. I could have
sworn the OEM heads that came on my 71 Nova 2BBL 350 were 889s. I spent
many hours learning proper porting techniques grinding on that pair, so
I spent a good bit of time looking at them. Was it all just a dream?....
:-)
I'm beginning to wonder. Well, it WAS almost twenty years ago. :-)
Later,
Terry
Ricky Robinson
Aug 19, 1999, 3:00:00 AM8/19/99
to
no, it wasn't just a dream, I have a pair of 889's on my old truck,
cant tell you what vehicle they came off of, I had a hard time finding
the numbers too, but i did. and it seems like they came off of 307, and
350's. low power good gas mileage heads.
cant tell you what vehicle they came off of, I had a hard time finding
the numbers too, but i did. and it seems like they came off of 307, and
350's. low power good gas mileage heads.
Terry Greene
Aug 19, 1999, 3:00:00 AM8/19/99
to
Well, It's good to know that if I *AM* loosing my mind, I have company.
:-)
Thanks Ricky,
Terry
:-)
Thanks Ricky,
Terry
WhiteW...@webtv.net
Aug 20, 1999, 3:00:00 AM8/20/99
to
asterix was right! i read the numbers wrong . thanks to all that
answered.
answered.
NOSPAM@netins.net asterix
Aug 21, 1999, 3:00:00 AM8/21/99
to
Thank s for the accolade.
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