Honda Accord (1990 - 2002) Includes 1997 - 1999 Acura CL

anyone ever supercharge an h22a7

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Old Aug 10, 2009 | 05:10 AM
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Default supercharging an h22a7- now going with Jun cam's

long time lurker first time poster...


for the last three years i have been driving an accord type R (98-02)...... it runs a h22a7, 220hp standard.....

i know a few people custom fit the a7 (also available in the accord euroo R 99-02) into other chassis etc,

i was just wondering has onyone SC the a7, as i have just recently purchased another accord type R for track and reckon a s\c would be a nice addition.......

here's a pic of my car, i'm sure people on here know it




Last edited by obriener2054; Oct 25, 2009 at 12:29 PM.
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Old Aug 10, 2009 | 05:23 AM
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Default Re: anyone ever supercharge an h22a7

There is a S/C for sale for the H22 Prelude. It's a Jackson Racing S/C.



I have seen one on an Accord previously. It required a bit of fabrication to the fire wall. That is with a N/A CB7, CD5 chassis. i'm not sure if the Euro R has a longer engine bay or not. As well there is a bit of fabrication needed for the belt and pulley bracket to fit between teh engine and the drivers side (LHD)/passenger side (RHD) strut tower. from what I remember seeing.

I thought about doing this same mod but ended up going a different direction. I may still end up going forced induction after a few yeras running my current build. It will be FI but it won't be S/C'd though

Nice Type-R
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Old Aug 10, 2009 | 05:34 AM
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Default Re: anyone ever supercharge an h22a7

there isn't a huge amount of room at the back of the CH1 engine bay unfortunately... couple of pics




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Old Aug 10, 2009 | 05:52 AM
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Default Re: anyone ever supercharge an h22a7

CH1 is the same deal as the CB7 and CD5/7. You are goign to have to hammer in the fire wall a few inches and cut the right strut tower back. In order to fit a Jackson S/C in that bay. I think a roots style S/C or a turbo setup would be much easier.
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Old Aug 10, 2009 | 03:31 PM
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Default Re: anyone ever supercharge an h22a7

Originally Posted by GhostAccord
CH1 is the same deal as the CB7 and CD5/7. You are goign to have to hammer in the fire wall a few inches and cut the right strut tower back. In order to fit a Jackson S/C in that bay. I think a roots style S/C or a turbo setup would be much easier.
i won't even contemplate a turbo set up at all...... i'm not a fan of turbo'dcars in all honesty...... i'll have a search for the roots style s\c.....

thanks
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Old Aug 10, 2009 | 05:09 PM
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Default Re: anyone ever supercharge an h22a7



I'm a N/A fan myself. The only way I will go turbo is if I can custom make a boost setup to work with my ITB's. That won't be for quite a few years though.

Good luck with the research
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Old Aug 10, 2009 | 06:08 PM
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Default Re: anyone ever supercharge an h22a7

N/A fan here too! Is 11.0 to 1 comp ratio too high for boost? Have you considered using a Rotrex supercharger? Its a smaller unit.
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Old Aug 10, 2009 | 06:52 PM
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Default Re: anyone ever supercharge an h22a7

Wow, I love the ATR. Looks real sharp. Wish I can cruise in one of those over here in the U.S. People would go nutz seeing one cruising down the road.
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Old Aug 10, 2009 | 06:59 PM
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Default Re: anyone ever supercharge an h22a7

Originally Posted by obriener2054
i won't even contemplate a turbo set up at all...... i'm not a fan of turbo'dcars in all honesty...... i'll have a search for the roots style s\c.....

thanks

Kinda seems odd. You want forced induction but don't want forced induction? The supercharger and turbo will both put more strain on your motor. So long as you take the precautionary steps (building up the motor) prior to turbo'ing you can get decent power from it even at lower boost on a larger turbo or higher boost on a smaller turbo.
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Old Aug 10, 2009 | 08:16 PM
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Default Re: anyone ever supercharge an h22a7

Originally Posted by 92civlude
N/A fan here too! Is 11.0 to 1 comp ratio too high for boost? Have you considered using a Rotrex supercharger? Its a smaller unit.
Besides, The jackson supercharger wont fit the Euro-R manifold.
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Old Aug 11, 2009 | 02:01 AM
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Default Re: anyone ever supercharge an h22a7

Originally Posted by 92civlude
Besides, The jackson supercharger wont fit the Euro-R manifold.
That is correct, would you care to state why? Rather than just say it won't fit.

If you were to end up going with the JR S/C you would need to buy the bottom half of a dual runner H22/23 manifold. The Euro R is a single runner one piece manifold whereas the USDM H22A1 is a dual runner 2 piece manifold.
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Old Aug 11, 2009 | 02:34 AM
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Default Re: anyone ever supercharge an h22a7

high compression engines are NOT boot friendly unless you spend a lot of $$ on reinforcements and stronger stuff
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Old Aug 11, 2009 | 03:21 AM
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Default Re: anyone ever supercharge an h22a7

Originally Posted by TheMuffinMan
Kinda seems odd. You want forced induction but don't want forced induction? The supercharger and turbo will both put more strain on your motor. So long as you take the precautionary steps (building up the motor) prior to turbo'ing you can get decent power from it even at lower boost on a larger turbo or higher boost on a smaller turbo.
as below you will see i never said i didn't want to go F\I, just not going to put a turbo on it, i don't want the hassle as the bottom end would need changing.....

i think the reason the h22a7 has issues with turboing, is the compression ratio of 11.00:1


Originally Posted by obriener2054
i won't even contemplate a turbo set up at all...... i'm not a fan of turbo'd cars in all honesty...... i'll have a search for the roots style s\c.....

thanks
Originally Posted by 92civlude
N/A fan here too! Is 11.0 to 1 comp ratio too high for boost? Have you considered using a Rotrex supercharger? Its a smaller unit.

i'll go have a look now... thanks for your input
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Old Aug 11, 2009 | 04:07 AM
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Default Re: anyone ever supercharge an h22a7

Originally Posted by obriener2054
as below you will see i never said i didn't want to go F\I, just not going to put a turbo on it, i don't want the hassle as the bottom end would need changing.....

i think the reason the h22a7 has issues with turboing, is the compression ratio of 11.00:1




i'll go have a look now... thanks for your input
No, I realize that, the way I worded it was you want forced induction (super charger) but don't want forced induction (turbo). If you're going to put in the amount of money for a supercharger and tuning and all that I'm sure you could equally price out sleeving the motor and all that.

Especially since those Rotrex kits are ~$4000-7000 depending on application. The supercharger alone is $2600.

Last edited by TheMuffinMan; Aug 11, 2009 at 04:15 AM.
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Old Aug 11, 2009 | 04:17 AM
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Default Re: anyone ever supercharge an h22a7

Originally Posted by TheMuffinMan
No, I realize that, the way I worded it was you want forced induction (super charger) but don't want forced induction (turbo). If you're going to put in the amount of money for a supercharger and tuning and all that I'm sure you could equally price out sleeving the motor and all that.
very true...... the money here isn't the issue....... i put simply don't want to turbo it...... it doesn't appeal to me the way a supercharger does.... i have no intention of changing the aesthetics of the exterior, to which a turbo would do too.... i have utmost respect for turbo cars, thinking of getting an evo 8 too for fun,

plus turbo also would involve me wasting a brand new custom hytech header which i have ready to go on lol


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Old Aug 11, 2009 | 05:20 AM
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Default Re: anyone ever supercharge an h22a7

Haha, point made

Hytech header is definitely a nice upgrade. Would suck to sell it
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Old Aug 11, 2009 | 07:10 AM
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Default Re: anyone ever supercharge an h22a7

nice car by the way, very clean engine

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Old Aug 11, 2009 | 07:14 AM
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Default Re: anyone ever supercharge an h22a7

Originally Posted by GhostAccord
That is correct, would you care to state why? Rather than just say it won't fit.

If you were to end up going with the JR S/C you would need to buy the bottom half of a dual runner H22/23 manifold. The Euro R is a single runner one piece manifold whereas the USDM H22A1 is a dual runner 2 piece manifold.
Ha Ha. I figured it was common knowledge.
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Old Aug 11, 2009 | 01:17 PM
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Default Re: anyone ever supercharge an h22a7

Originally Posted by honda1234567
nice car by the way, very clean engine
thanks mate...... hopefully the second will be just as clean, or i'll try get her that way.....
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Old Aug 11, 2009 | 03:06 PM
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Default Re: anyone ever supercharge an h22a7

Aren't you on ATR.ORG too? I think I saw you posted those engine bay on there before.
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Old Aug 11, 2009 | 03:20 PM
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Default Re: anyone ever supercharge an h22a7

Originally Posted by nus_dogg
Aren't you on ATR.ORG too? I think I saw you posted those engine bay on there before.
should reiterate i stole those pics from there from adam, i'd none of mine lol

...... logged in there now lol
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Old Aug 11, 2009 | 04:49 PM
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Default Re: anyone ever supercharge an h22a7

Originally Posted by obriener2054
should reiterate i stole those pics from there from adam, i'd none of mine lol

...... logged in there now lol
I knew those pics are from ATR.ORG. LOL Good to see a ATR member from that forum here. Nonetheless, All ATR are off the chain as always.
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Old Aug 15, 2009 | 06:36 PM
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Default Re: anyone ever supercharge an h22a7

It can be done. Do it.
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Old Aug 17, 2009 | 03:40 PM
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Default Re: anyone ever supercharge an h22a7

Originally Posted by Gnate
It can be done. Do it.
thanks for your help lol........ standard the car makes 220 bhp. what would i expect to get out of her with a proper tuned standalon and uprateed 2 1\2" exhaust.... reliable mind you too
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Old Aug 27, 2009 | 05:47 PM
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Default Re: anyone ever supercharge an h22a7

Originally Posted by obriener2054
thanks for your help lol........ standard the car makes 220 bhp. what would i expect to get out of her with a proper tuned standalon and uprateed 2 1\2" exhaust.... reliable mind you too
think i'll go with modifying the firewall and fitting a JRSC......... seems like a decent option, i have found a mini cooper s supercharger for a ridiculous price, but think it spins the wrong way ;(
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