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Main : Members : SLAM1024 08. A12 Block

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08. A12 Block
08. A12 BlockPopular
SubmitterSLAM1024More Photos from SLAM1024   Last Update2005/7/29 4:12    Tell a friendTell a friend
Hits2164  Comments6    0.00 (0 votes)0.00 (0 votes)
Took apart the bottom end yesterday.

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Poster Thread
SLAM1024
Posted: 2005/7/29 4:24  Updated: 2005/7/29 4:24
Home away from home
Joined: 2002/8/8
From: Lethbridge, AB, Canada
Posts: 251
 Re: 08. A12 Block
Question about machining

Anyone know how much it costs to get a block bored out? I have no idea, also how much can you take out of an A12... I am assuming you can get it to at least 1.5l right? A12 and A14-A15 have a similar cast?
Just more meat between cylinders on an A12 or am I way off?

I think I might like to turbo EFI this motor, it will be cheap for me cuz I can fab it all up at work (I work in a machine shop as a welder).

I just want a solid bottom end to start with but I dont want to spend much money.

Any help would be appreciated, my knowlage about engines starts to dwindle when you get into machining and modifying.

Werd!

Poster Thread
ddgonzal
Posted: 2005/7/29 7:22  Updated: 2005/7/29 7:22
Moderator
Joined: 2001/5/3
From: 48 North
Posts: 31599
 Re: 08. A12 Block
Quote:
A12 and A14-A15 have a similar cast?
Totally different. The A14 & A15 are a bigger block, about 3/4 inch taller to help with the longer stroke. The bore is only a little bit bigger.

The A12 has a sold bottom end to start with.

Poster Thread
sunny
Posted: 2005/7/30 18:26  Updated: 2005/7/30 18:26
Home away from home
Joined: 2003/7/13
From: T'ville
Posts: 491
 Re: 08. A12 Block
thats right the bottom end is strong , the short crank supported by 5 main bearings gives little flex
put good rod bolts in it and the best pistons you can afford.

Poster Thread
SLAM1024
Posted: 2005/7/30 20:18  Updated: 2005/7/30 20:18
Home away from home
Joined: 2002/8/8
From: Lethbridge, AB, Canada
Posts: 251
 Re: 08. A12 Block
Any ideas on pistons.. what to get?
My idea is to eventually fuel inject and turbo the A12, but im only going for a little boost, not too much... I can end up bending my pushrods right

Poster Thread
ddgonzal
Posted: 2005/7/30 20:43  Updated: 2005/7/30 20:43
Moderator
Joined: 2001/5/3
From: 48 North
Posts: 31599
 Re: 08. A12 Block
You don't need to change the rods or pistons at all, for a little boost. It'll handle five pounds no worries.

Poster Thread
SLAM1024
Posted: 2005/7/31 1:38  Updated: 2005/7/31 1:38
Home away from home
Joined: 2002/8/8
From: Lethbridge, AB, Canada
Posts: 251
 Re: 08. A12 Block
how much boost do you think these engines can handle (as stock) 7-8psi safely?
Its always good to know.