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GenII is very different. HQ sump is no good - it's a rear hump.
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Hi Guys.
AFAIK the stumbling block to fitting a SBC to any Commodore is not just the sump, it's the oil pump. The reason you don't see many SBCs in street Commodores is the fact that the oil pump sits exactly where the steering rack exists. The few con |
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thanks dr terry,i was only trying to get across to boom about how a gen3,may look dearer to you on outset,but is not when,has sump hump in the right spot,no grinding,welding for mounts(cae mounts fit perfect)use v8 crossmember etc.carby gen3 with cam/valv
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O.K well, i see your point, but it's just too expensive for a gen III conversion, considering i'll pull it out later, however tempting it is. It looks like the easiest way to do do things is to buy a 308 and stroker crank. I read in a column in street mac Edited by user Wednesday, 23 May 2007 3:27:24 AM(UTC)
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Just buy a complete COME kit. They are cheap considering all stuff is new, whole setup is balanced ready to go. With Keith Black pistons, new rods etc.
But FYI, a 304/308 with a 3.48" stroke crank and Chev 350 5.7" rods actually uses Chev 377 (STD bore) |
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a 377 piston? WTF is a 377, is that some sort of chev variation, or is it like a 383?
Cheers
Alex
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A 377 Chev is a 4" bore block (eg 327LJ, 350 or 302) with a 400's stroke (3.75"). A 383 Chev is the same thing but with a 0.030" oversize bore. Just like a 350 is a standard bore motor, but if you go to a 0.030" oversize bore you get 355 cubes - still cal |
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so a will a 383 piston go with a 5.7 inch rod in a 30over block?
Cheers
Alex
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If it's pin height is so that it suits the 5.7" rod. You can also buy them with a pin height for a 5.565" rod.
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o.k so that would be acceptable. What compression ratio would this combo create with a) std chamber heads and b)VN heads?Thanks for all your help so far it's really been great Cheers Alex
If it doesn’t burn fossil fuels, it’s Edited by user Thursday, 24 May 2007 2:22:02 AM(UTC)
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I was talking Chev, but it sort of transfers to a 308 except pin heights are different. I don't know about compression ratios, but I know you need dished pistons. Have a look at the ACL race series website for more info. http://www.aclperformance.com.au/ |
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just a quick question, is the engine bay packaging for the VL exactly the same as the VK? just thought it would be easier to put a chev into a VK rather than a VL as i've seen it done before. But ATM i'm looking at the 355
Cheers
Alex
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VB-VL are the "same", basically. Just like HQ-WB. Some differences, but not much.
And again, I think you mean 5.7L (350) not 355 - I know it's being pedantic, but if you rebuild a 308 you don't call it a 313, or a 316 or whatever. A stroked 304/308 or a |
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Hi Guys.
I agree with what you're getting at Byron, but it would be easier if people simply referred to them as either Small Block Chevs, Holden V8 (EFI or carby) & Gen3 V8s. The actual cubic capacity is irrelavent for the purpose of conversions.
Bo |
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hmmm.. yes dr. i thought so, but i've seen a VK that's inspired me. It's the 'its war' red VK of brad cavanagh that was featured in street machine in january, this runs a 400 chev and was dubbed queensland's toughest VK. Not sure whether this runs a dry s
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O.K, this is how it stands: I have sourced a new stroker crank and pistons. The pistons are to suit a 383. They are Hypatec Pistons. Supposedly good pistons.
The crank is all holden. by this i mean main journal, and con rod journal. This is my question:
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1.425" is the wrong compression height for a 350 cube 304/308 stroker with Holden V8 5.625" rods. You need 1.508" compression height pistons as per used in HSV engines (like ACL 8MKRY9570). The Chev 377 stroker pistons with the 1.425" compression height s Edited by user Friday, 25 May 2007 8:05:13 AM(UTC)
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OK! i think i've got it! 1) 1.508 compression/pin height 2) Non floating for the street 3) Rods - L34 -OR- Black Motor VK -OR- Pre A9L X rods -OR- A9L and after.
Doesn't that just mean every type of rod after the L34 types? and also what's wrong with flo
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L34 rod was a one off, and not used again until around VK apart from some possible odd applications that I don't know of. The VK X-rod looks basically identical to the L34 rod - the L34 rod X casting mark looks like an X drawn between the four corners of |
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hmmm... Byron, is there such thing as a 5.7" holden rod to suit the 308 journal? also, a stroker kit i found has the 5.625 rods in with the 1.425" pistons how can this be right if you said they were wrong? are you sure that they're wrong?
Cheers
Alex
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