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 The V8 Thread

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Mylesofsmyles

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PostSubject: The V8 Thread   Thu Jun 03, 2010 1:10 am

I really, really, REALLY like the idea of having a LSX V8 engine in a 240. Just wondering if there's anyone on the board with a V8 swapped 240, but any RWD Volvo will do. Please post pics and a run-down of your setups. I'm already inspired, I just need to see and read about some V8 Volvo Porn.

Ordering my JTR book next week, for a real page turner. lol.
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BrickBaller

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PostSubject: Re: The V8 Thread   Thu Jun 03, 2010 2:39 am

Be sure to order it for the VOLVO 240, not the Nissan 240 z car.

They sent me the wrong one three times in a row and I gave up.
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Shifted
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PostSubject: Re: The V8 Thread   Thu Jun 03, 2010 4:22 am

They only had it in LHD.

None of the thingies would fit.

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Mylesofsmyles

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PostSubject: Re: The V8 Thread   Fri Jun 04, 2010 1:15 am

So there's a 2000-ish Z28 at the JY...can't be picked till Saturday; debating whether or not I should try to get the morning off on Saturday...the front end is kinda smooshed though.
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s_r_c

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PostSubject: Re: The V8 Thread   Fri Jun 04, 2010 1:20 am

You want motors from the crashed ones.
But I'm compelled to persuade you not to add four cylinders to a good car.
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Mylesofsmyles

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PostSubject: Re: The V8 Thread   Fri Jun 04, 2010 1:33 am

s_r_c wrote:
You want motors from the crashed ones.

implying they were running well enough to get you into that wall?
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s_r_c

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PostSubject: Re: The V8 Thread   Fri Jun 04, 2010 1:37 am

Precisely.
Strike a balance between crashed enough to be totalled and too crashed to get the motor out.
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Mylesofsmyles

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PostSubject: Re: The V8 Thread   Fri Jun 04, 2010 1:39 am

gotcha...this one looked pretty clean. oh my, what to do.
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s_r_c

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PostSubject: Re: The V8 Thread   Fri Jun 04, 2010 1:49 am

Put it in a miata.
V8 in a Volvo was funny-cool in 1981.
Turbo your 242 right and there will be plenty of smiles, no custom crap and negligible smog issues.
And you retain the character of the car.

(No custom crap if you don't go T5 trans... Which is popularly synonymous with doing it right.)
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Mylesofsmyles

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PostSubject: Re: The V8 Thread   Fri Jun 04, 2010 1:55 am

s_r_c wrote:
Put it in a miata.

and have one engine for the two of them...that just won't work! Wink


s_r_c wrote:
(No custom crap if you don't go T5 trans... Which is popularly synonymous with doing it right.)

or a T56
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Shifted
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PostSubject: Re: The V8 Thread   Fri Jun 04, 2010 11:58 pm

I think a V-8 would ruin a Miata more than a Volvo, you'd lose the lightness and balance.

A brick has neither to start...

Why that particular engine, and how far would you go with it?

If I remember correctly the stock horsepower to displacement ratio on those Camaros is not real good, certainly well within what can be achieved with a nicely and very reasonably tuned totally reliable B230FT. You will have to do substantial work to the Chevy engine to get anything at all from it.

Lotsa custom goodies and big fuel bills, gonna take deep pockets...

OK, obviously I can't add much to answer your post, if you're looking for real solutions to doing it.

Just wondering why.

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Mylesofsmyles

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PostSubject: Re: The V8 Thread   Sat Jun 05, 2010 1:18 am

Shifted wrote:
Lotsa custom goodies and big fuel bills, gonna take deep pockets...

OK, obviously I can't add much to answer your post, if you're looking for real solutions to doing it.

Just wondering why.

takes big bux to build out any car...dunno if an "simple" v8 swap is much different, but more so worth one's while as a reasonable alternative. it struck me as a more cost effective solution. what would it take to build a miata with 300+ hp without forced induction? $12-15k...bore and stroke to 2.1L at 11:1 compression, 01+ vvt head with MS or HydraNemesis, custom cams...forged internals, etc, etc. or for under $10k, i could do something entirely out of the box with higher output. as far as lightness and balance is concerned...yes a miata with a LSX will under 200lbs heavier than stock, but weight distribution is actually better than stock...see some of the LSX swaps performed by Flyin Miata and V8-Roadsters...if a stock miata has 54/46 weight distribution, their v8 miatas are closer to 51/49. how much power is too much power for such a car...i dunno? but this is something i've always wanted to do.

[You must be registered and logged in to see this link.]

same goes for my 242...i could waste a lot of time finding a donor turbo car and do a b230ft and go to town on that too...i just think it'd be about as much work and money, and for all that I'd just rather have an LSX.
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Shifted
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PostSubject: Re: The V8 Thread   Sat Jun 05, 2010 1:27 am

I agree that Miata V-8 looks like fun, good info. You are certainly more of an expert on them than me, I just flog the wife's occasionally... Embarassed

Over here a swap like that would be next to impossible...

I think you could come up with a real nice B230FT for a lot less than $10k, but it sounds like you've got your mind made up and are willing and able to go all the way both mechanically and financially. Hopefully someone can chime in soon with some practical advice.

Just in case you can be swayed take a look at SAM Steffansson and KG Trimming (click 'Katalog', left menu bar), many interesting and beautiful things to influence a Volvo-based build.

The guys who are regularly blowing up their stuff are not doing it right, easy to see why it could leave a bad taste for the idea of using a b230 if that's all you have been influenced by. Like watching someone who has never held a hammer try to build a doghouse. Painful just to see, much less try to study. A visit to those sites will offer some insight as to how and why the master craftsmen have a much higher rate of success. Far more interesting and easier to learn from.

Good luck with whatever you decide to do.

cheers

Edit: Had to pause the post before I was done, kid was showing up. Came back to finish properly.

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s_r_c

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PostSubject: Re: The V8 Thread   Thu Jun 17, 2010 7:17 pm

So...
... What kind of intellectual progress have you made thus far?
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Mylesofsmyles

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PostSubject: Re: The V8 Thread   Thu Jun 17, 2010 7:34 pm

s_r_c wrote:
So...
... What kind of intellectual progress have you made thus far?

all my progress has been intellectual as opposed to material. i know i need to beef up the rear end...but redwood has me thinking it'll be fun to blow up my stock one first, haha.

LSX FTW...not sure what I'll end up with, but probably an LS1 or LS2 to start with , and a T56. JTR doesn't want to make their bracket anymore, which means I've got to get creative and make something cool. i really, really wanna see a tubular chro-moly front k-frame that accepts lsx motors. I'll needz a big radiator and some duct tape.

that is all so far.

oh, and i want a hydro clutch assembly...don't need anything beyond the pedal assembly with master cylinder and resivour...don't worry about the line or slave.
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s_r_c

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PostSubject: Re: The V8 Thread   Thu Jun 17, 2010 7:51 pm

Right, I'll PM you with what I expect to get out the JY with.
A bike basket for the motor & front is nice. After your cf threads I see you're not just whistlin' dixie with an idle yen for horsepower.

Summit will have a new best friend.

Blow the pumpkin, give the kids something to omg & lol about, but have the next thing ready to wrestle in.

Now what about exhaust manifolds?
Unless you've got an address in clear lake you'll still have to smog this thing.
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manbeard
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PostSubject: Re: The V8 Thread   Fri Jun 18, 2010 7:44 am

i'm seriously thinking getting a 5.0/t-5 for the 740. i'd love an ls/t-56, but thats way too much money.
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swiftjustice44

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PostSubject: Re: The V8 Thread   Mon Jun 21, 2010 6:07 am

Well, I've done both. I have a 347/T5 in my 740 and a B230FT in my 89 245. Going turbo, even built from the ground up...is WAY cheaper. They are both extremely fast...but like night and day. The cost of swapping in a second hand 5.0 is essentially the same as a built motor...so I dropped a bunch on the V8. The T5 is built too. I'm not really a big fan of the T56...they're quite a bit heavier than a T5 and unless you get one custom geared you have dual overdrives. To my thinking it's wasted except on an oval track. The bottem 4 gears are pretty tall for my liking. I'm still running a Volvo rear end. I have the 8.8 Ford rear end waiting in the wings...but the car's been built for almost exactly 3 years and the 3.31/G80 is holding up nicely. I could post pics if anyone has an interest. The hardest portion of the swap is hybridizing the engine harness. I threw down the dollars for a Converse kit and have lukewarm feelings about it. The photos were the best part of the kit but hardly worth the price of admission. Running extremely modded GT40P heads and Mac headers. The motor has about 10k on it now and is tuned to a T.
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