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Old 14-04-2005, 11:12 PM   #1
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Supercharger

Hi all, I have a question about getting a supercharger.
I have a BA 1.8L auto, with 2.5 inches exhaust system.
What would be the things to be done for setting it up with a supercharger?
Some of the people are saying bigger fuel pump and things like that. It seems like a huge project.
What if I just bolt on a supercharger and leave the rest as stock?
Thanks all.
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Old 15-04-2005, 03:24 AM   #2
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http://www.astinagt.com/forums/showthread.php?t=3539
You cant just thow one on and forget about it. If you could do you think it wouldnt have been done before, this is a complex world we live in and we have to get used to that. There are 'bolt on' supercharger kits on the market for certain engines and they still manage to get quite exxy.
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Old 15-04-2005, 07:43 AM   #3
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Thats a question I've been menaing to ask

can you use the normal extractors if you supercharge?
Of you can't with a Turbo, but superchargered

And batman what are you planning on Pre cat?
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Old 15-04-2005, 09:12 AM   #4
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Super or turbo charging results in the same internal added strain on an engine. The difference is that the turbo is powered by exhaust gasses and the supercharger runs mechanicly of the engine.
So yes Skippy you can use extractors with a supercharger if you wish and you will get the same benefit as NA.
WIA you need to do all the same work as a turbo conversion if you want a supercharger. That includes ignition retard on boost, ensuring the engine gets enough fuel, intercooling and strenthening the internals etc... Good news is that the supercharger delivers power in a way that better suits an auto.
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Old 15-04-2005, 10:01 AM   #5
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I like that last line, about superchargers better suiting auto, I've always wanted to SC the Hardtop. It'd be a change from all these turbos going around...

Pity I don't have the $$$ to do it.
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Old 15-04-2005, 03:16 PM   #6
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It sounds like fuel pumps and things are needed to replace.
But then, if I run a supercharger with stock pumps and pistons at low boost like 5 to 6 psi, the stock internals should be able to take the pressure. My mechanic told me that any engines are designed for taking 50 to 70% extra power comparing to what it original is. so, low boost like 5 to 6 psi should have been fine tho.
Well, I do think the computer needed to be replaced tho.
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Old 15-04-2005, 04:00 PM   #7
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Yeah the engines can handle it, just the air and fuel mixtures have to be right.
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Old 15-04-2005, 06:04 PM   #8
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Bolt on Supercharger, I WISH! I think the supercharger that Batman is getting uses a transfer rod to get the S/C across the engine bay so it fits. I don't know why people don't employ this method for the BJs... Anyway, apparently you lose power by going through this extra element, and perhaps there are other complications as a result, but if you've seen the other option of trying to wedge a s/c between the engine and radiator it's bloody rediculous!
There is a supercharger for the Miata/MX-5 at www.flyinmiata.com that could possibly be easily adapted to the BP 1.8? Worth asking the question anyway... I'm sure there will be some RWD vs FWD configuration hassles, but sure they couldn't be too bad?

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Old 15-04-2005, 06:57 PM   #9
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The flyin' Miata S/C kit does look well engineered. The question is is there enough room between the engine and the firewall, I'm sure there is but I'd like to measure everything first. It's also a good read to help understand that it's not just a case of bolting a S/C to the block and slinging a drive belt to it.

And cost...... Not cheaper than a BPT swap.
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Old 16-04-2005, 04:02 AM   #10
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Vaughn, I will be getting SSAutochrome headers off Ebay especially as they have *stolen* the hotshot design. You will find them for about $230USD and they appear to be well built and the guys on probetalk seem to like them. I am not expecting that they will be a perfect fit but I am going to get a custom stainless 2 1/2" ststem built to match up to them and get them reshaped to fit properly while the exhaust is sorted.


Quote:
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Old 16-04-2005, 11:40 AM   #11
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guys, so, if i am really looking at getting a supercharger kit, what things should i be getting? i have no idea what should be done as there are too many stories going around. also, what kinda budget should i be looking at?
thanks for the help people.
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Old 16-04-2005, 12:03 PM   #12
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check out here for some info if you like:

www.capa.com.au
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Old 16-04-2005, 08:53 PM   #13
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Guys, thanks for all the help. I think I have just dropped the idea of the supercharger. haha... it is just too much to be replaced, too big a project, and too much to spend. Thinking I might just as well keep my little ride as a NA car now. Sports cams sounds good to me.
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Old 18-04-2005, 02:00 PM   #14
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Pretty dam cheap to what I have been seeing,

Hmmmmmm tempting,

Very tempting,


That price 230 USD is purchase only not shipping yeah,
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Old 18-04-2005, 05:46 PM   #15
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That's a lot of shiny metal for $230usd! I reckon even if they are ordinary they'd still be better than what you've got...
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Old 18-04-2005, 07:30 PM   #16
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230 includes what again?
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Old 19-04-2005, 03:32 AM   #17
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The shipping is US$90 to oz and thats still cheaper than the purchase price of the Hotshots
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Old 19-04-2005, 09:52 AM   #18
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Thatís like half the price I have ever seen
230+90

$320 USD = $425 AUD ( if 1AUD = .75 USD)

Best I have heard is a rough quote to make some custom ones for $600, but I have reservations about them building them from the ground up, tried and tested doubles the value in my eyes,

But yeah other than that couldnít find a way to get them under $1000 landed,
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Old 12-06-2005, 07:22 PM   #19
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shippin is damm expensive for something that big n heavy from the us pitty becuase the $$ is good
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