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Just wondering what a 307 motor can be stroked out to, i know its originaaly stroked froma 283 so im guessing not much , i was hoping it could be stroked to a 350 spec so you could use those internals.thanks
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can anybody tell me how you tell between a308 and a304 in black motors and what is the differece? cheers nick
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Most aussie 307s can be bored to 327 and then stroked to 350 or 377. They are not a stroked 283 as all 283s had small journal cranks and all 307s are large journal. You can stroke a 1963 or later 283 to a 307 using a small journal 327 crank, but its not a |
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Most aussie 307's can be bored to 327 and then stroked to 350 or 377. They are not a stroked 283 as all 283's had small journal cranks and all 307's are large journal. You can stroke a 1963 or later 283 to a 307 using a small journal 327 crank, but it's n |
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Byron does aVL come with a 308 or 304 it has LV2 on compliance? nick
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Hi SANDMN. All VL V8s are 304ci. The 304 began midway thru VK production. The easy way to ID them is to get the engine number prefix. Dr Terry. Edited by user Thursday, 10 April 2008 7:14:41 PM(UTC)
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I thought the 283 and 307 had the same bore 3.750. and the stroke is 3.00 for the 283. and the 307 has 3.25 stroke the same as the 327. the HK 327 had the 2.00 small journal,as with the 307 and 283. then the last batch of HK got the 2.10 large journal.as
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Hi rosie.
You are correct about the stroke, but not about the journal size. AFAIK all Holden Chevs have large journal cranks.
I think you misunderstood Byron's post. He meant that a 307 was not 'just' a stroked 283. It has the large journal crank & |
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Hi rosie.
You are correct about the stroke, but not about the journal size. AFAIK all Holden Chevs have large journal cranks.
I think you misunderstood Byrons post. He meant that a 307 was not just a stroked 283. It has the large journal crank & thi |
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Most 283's can also go to 4", but as Terry clarified all 307's are large journal. Not just Holden fitted ones, but ALL. Same with the 327 in HK - they were all large journal.
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Most 283s can also go to 4", but as Terry clarified all 307s are large journal. Not just Holden fitted ones, but ALL. Same with the 327 in HK - they were all large journal.
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i think the changeover from small journal to large was about mid / late 1967
the 307 was 1968 to 1973
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HK 327 8.75:1 250 HP in 1968 models.
HK 327 8.50:1 235 HP in 1969 models, i thought this one was big journal, it had alloy covers to? i thought holden sold more 327 then it first had planed. so had to get more but from a different factory from the 1st.
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type in "series 1 HK" or "HK models" in the search engine to the left.
This was discussed in Feb 08.
cheers
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Sounds about right.
"Type 1" HK 327 engine is a short type water pump, oil filler in valley cover, Tonnawanda NY built engine. Large journal, small valve. Basically a truck engine.
"Type 1" HK 327 engine has long nose water pump, oil filler in alloy roc |
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Dr Terry eng no vj 53737 . Is the vl and vn 304 block exactly the same?
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VJ prefix is VL. Different blocks. VN is TH block, VL is trimatic.
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