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Old 04-12-2017, 03:01 PM   #1
bearman683
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Default b234f stroker kit

does anybody make a kit for this engine? would it come with turbo pistons available as an option? any help appreciated.thx
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Old 04-12-2017, 03:50 PM   #2
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They did. For bayliner.
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Old 04-12-2017, 04:37 PM   #3
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found a penta AQ 171 C stroker crankshaft. what rods and pistons will I need? (there is no replacement for displacement)
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Old 04-12-2017, 04:37 PM   #4
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Originally Posted by bearman683 View Post
found a penta AQ 171 C stroker crankshaft. what rods and pistons will I need? (there is no replacement for displacement)
Does it match your block?
Rear thrust or Center thrust?
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Old 04-12-2017, 04:43 PM   #5
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it says it fits b230f/b234f block but will check thx
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Old 04-12-2017, 04:46 PM   #6
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Stock rods. pistons different.
http://www.ebay.com/itm/like/1524799...&ul_noapp=true

Try google. It finds stuff for you.
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Old 04-12-2017, 04:56 PM   #7
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it says it fits b230f/b234f block but will check thx
Yeah, there's 2-different types of b230f blocks. Different sized main bearings, and different type of thrust bearing.
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Old 04-12-2017, 05:13 PM   #8
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he also has rods and pistons for it and says it is supposed to fit b230 block. the b234f is a dry sumped duel cammed b230 so it should work. I wonder how much hp it will make the pistons are dished and valve relieved cut already for b234f head already and is 10:1 compression do you think rods would hold up to turbo app?
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Old 04-12-2017, 05:15 PM   #9
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will check bearing size and thrust bearing size.it is a rear thrust bearing type
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Old 04-12-2017, 05:23 PM   #10
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just got off with seller he builds volvo motors all the time and sell parts to car guys all the time for this same swap and is 100% sure of fitment
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Old 04-12-2017, 05:31 PM   #11
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Quote:
Originally Posted by bearman683 View Post
found a penta AQ 171 C stroker crankshaft. what rods and pistons will I need? (there is no replacement for displacement)
Don't spout tired worn out clichés without thinking..

Of course there is a replacement for displacement silly bastid.
Its called BOOST..mechanically pumping in more what?

Cubic feet of air, otherwise know as volume. Displacmemt..
The Volvo 86mm stroke cranks return about 7% increase in engine volume..

For most people its easier top just turn up the boost so that much more are gets shoved in..

Do you own a set of cheezy electronic calipers? You should.
Measure main journal..is it 55mm..then its the small journal B230..Not bad really just ALL the professional engine builders here, and everybody is, sneer at those..
So what block and what main journal dia?
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Old 04-12-2017, 05:35 PM   #12
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just got off with seller he builds volvo motors all the time and sell parts to car guys all the time for this same swap and is 100% sure of fitment
The crank fits either in a '85-'88 b230 or in a '89+ engine. Or it must be an elastic crank.
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Old 04-12-2017, 05:55 PM   #13
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that year has what size main journals 85-88 then 89+ let me know thx
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Old 04-12-2017, 06:17 PM   #14
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it fits a 87 block I'm out of luck I guess if I understand the info correctly am I right?
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Old 04-12-2017, 06:21 PM   #15
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more room for more air equals more hp that's the truth, you can only fit so much air in a certain amount of space so add more space=more potential power output!
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Old 04-12-2017, 06:32 PM   #16
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the b234f is a dry sumped duel cammed b230
Not so much
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Old 04-12-2017, 06:35 PM   #17
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found a 1990 AQ171 C just back from machine shop turned .20 under. back in the running. also has pistons and rod for it all stock sizes.

Last edited by bearman683; 04-12-2017 at 06:53 PM..
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Old 04-12-2017, 07:00 PM   #18
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Not so much
This guy is giving me a headache...
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Old 04-12-2017, 07:12 PM   #19
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so what's the difference between the b230ft and the b234f excluding turbo/16v head respectively? one is wet sump one is a dry sump, one has external drive oil pump,one internal, one has balance shafts the other doesn't one has as interference head one doesn't each has it's pro's & cons both can be modified for power. That's why there is different options for an engine build. I have a b234f so I choose to build it if I had another engine I would build that.
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Old 04-12-2017, 07:15 PM   #20
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The blocks are not the same. Also, the 16v car engines had a windage tray, not a dry sump. Look at dry sumps. Very different.
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Old 04-12-2017, 07:18 PM   #21
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ya thats a better set up
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Old 04-12-2017, 07:20 PM   #22
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they share the same crankshaft though
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Old 04-12-2017, 07:22 PM   #23
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they share the same crankshaft don't they?
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Old 04-12-2017, 08:02 PM   #24
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Old 04-12-2017, 09:16 PM   #25
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Quote:
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one is wet sump one is a dry sump.
What do you actually think wet and dry sump mean? Do you know the differences?
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