Superchargin Civic

[honda_vti_jsy]

Hi, I am seriously thinkin about supercharging my 92 civic hatchback vti, does anyone think this is a good idea? what probs might I get when its done and is it worth the £3500 i've been quoted to have it done? Advice please!!!!

[stu]

It really depends on what you want out of the car. If you want it to be faster, then sure supercharge it. If you want it to be the fastest then don't even think about supercharging it.

[95GSRB18C]

i agree. If you want some serious power, turbo it.

[honda_vti_jsy]

I don't really want it to be the fastest, just fast! The charger is a jacksons racing one...will I get a turbo for the same price?

[stu]

You could do a junk yard turbo set-up for under $1,000 if you do enough research and know what you are doing. Here, check out www.homemadeturbo.com to see what I'm talking about.

[J_Smuggler]

I can get you a Drag Gen 3 Turbo kit for $3200 shipped. That comes with T3-T04e 63in 57ex stage 3 wheel polished housing, polished intercooler piping, Downpipe and dump tube, Blitz dd blow off valve, Tial 38mm wastegate, vortech fmu, missing link, bosch inline fuel pump, STR block guard, autometer boost and a/f gauge and dual pod, NGK plat. spark plugs, Action 6 puck clutch kit, short shifter and shift knob. comes with every thing you need to have a complete turbo kit

[2000SiVTEC]

Originally posted by J_Smuggler
I can get you a Drag Gen 3 Turbo kit for $3200 shipped. That comes with T3-T04e 63in 57ex stage 3 wheel polished housing, polished intercooler piping, Downpipe and dump tube, Blitz dd blow off valve, Tial 38mm wastegate, vortech fmu, missing link, bosch inline fuel pump, STR block guard, autometer boost and a/f gauge and dual pod, NGK plat. spark plugs, Action 6 puck clutch kit, short shifter and shift knob. comes with every thing you need to have a complete turbo kit

you may be able to do it for 3200 dolalrs, but that is like 6,000 pounds.

[forum]

doesn't the vti come with a b16? if so I see nothing wrong with that

[fodo]

3200 shipped to the fucking UK...should check address first, smuggler. just in case he goes for it and you fucking end up spending like 300 bucks shipping it

[SleeperZ]

Originally posted by 2000SiVTEC
you may be able to do it for 3200 dolalrs, but that is like 6,000 pounds.

Maybe you ought to re-check the exchange rates. $3200 is about 2000 pounds.

[J_Smuggler]

Originally posted by fodo
3200 shipped to the fucking UK...should check address first, smuggler. just in case he goes for it and you fucking end up spending like 300 bucks shipping it

oh yeah forot about that how about $3500 shipped

[fodo]

:D you're welcome

[2000SiVTEC]

Originally posted by SleeperZ
Maybe you ought to re-check the exchange rates. $3200 is about 2000 pounds.

Duh, I've been doing homework too long...........

[honda_vti_jsy]

quote:
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Originally posted by J_Smuggler
I can get you a Drag Gen 3 Turbo kit for $3200 shipped. That comes with T3-T04e 63in 57ex stage 3 wheel polished housing, polished intercooler piping, Downpipe and dump tube, Blitz dd blow off valve, Tial 38mm wastegate, vortech fmu, missing link, bosch inline fuel pump, STR block guard, autometer boost and a/f gauge and dual pod, NGK plat. spark plugs, Action 6 puck clutch kit, short shifter and shift knob. comes with every thing you need to have a complete turbo kit
--------------------------------------------------------------------------------
Thats a good price! Question is how much would it be to fit something like that! I know turbo's are a big job. thanks for your help.

[rmcdaniels]

Super vs. turbo is a big subject in itself, so I'll assume you've weighed the pros/cons and are going super for the right reasons. I use the JR kit and have been very happy with it, but there are some issues with it.

The fuel management supplied with the kit is completely inadequate (IMO). It uses a boost switch to a relay that puts a resistor in line with your IAT sensor to richen up your mixture and requires that you seriously retard your timing. The seriously retarded timing will cause some performance issues. I wouldn't recommend using it without at least getting the JR MAP controller unit (around $150US), which I use and it made a big difference for me.

Additionally I think you should also get a lower temp thermostat and cooler plugs because the SC will be heating up your intake air. JR sells a suitable thermostat (160 degree) for about $10US. I also e-mailed NGK tech support from their Web site, described what I was doing, and asked for a recommendation for a colder plug. They got back to me promptly with a part number that I picked up at my local auto parts store. I also got a cheap CAI off of ebay for about $30US.

With the MAP controller, plugs, thermostat, and a CAI, I was able to run my car at full stock timing with no detonation at 5-6 lbs of boost. The power comes on at very low RPMs and is very usable in daily driving (the main reason I selected super).

The install is not easy, but it is a very clean, relatively trouble free install if everything is done right. I hired a good professional to assist me with the install in his shop ($300US) and I'm very glad I did. I've subsequently removed and reinstalled it twice on my own for various reasons and after the initial install I can do it myself in my driveway in a few hours. It is very critical that all the belts line up correctly and be properly tensioned or it will have problems. I had the bottom belt too loose and it would lose boost at higher RPMs, but it never squealed. The top belt doesn't need to be very tight at all, because it goes almost all the way around both pulleys and has a lot of contact area. It's been over 7000 miles since I got the belts properly tensioned, and I haven't had to touch them in that time.

After you get boost, you may want to think about lowering your VTEC engagement point. Without boost you don't want it to engage much below 4700 RPM, but with boost you can get some good gains engaging it much lower. I got a used JR VPAC off of ebay pretty cheap and set mine at around 3000 RPM. This does a couple of good things. It makes more power and it switches your fuel map to VTEC mode (more fuel) lower in the RPM range, which further decreases your chances of detonation.

I also got a deal on a JR boost timing controller off of ebay, but it wasn't really necessary at 5-6 lbs of boost, so I set it to no retard and kept it there for the day when I upgraded my SC pulley to 10 lbs.

Aside from the performance issues, I was impressed with the fit and finish of the JR kit. It had everything I needed to do the job right and all the pieces were of high quality and fit precisely. I did have to fabricate a spacer for the upper alternator mount in order to get the belts to line up right, but I'm still not sure if that was not my own fault for not lining up something else correctly. The setup is so clean that I've had people look at the engine bay and not notice that it is supercharged.

Two other things I did also helped. I got an Autometer boost gauge, which helped me with setting belt tension because I could see the boost drop off when the belts were slipping a little, but not enough to squeal. I also got an Autometer air/fuel mixture gauge, which gives more of a general indication that a precise reading of your mixture, but it will tell you if you are running lean at boost (a very bad thing). I use it to make sure I run a little rich under boost. If I run lean at boost, then I lay off the gas pedal until I can figure out why.

Good luck with it and please post how it goes when you get the SC running.

[honda_vti_jsy]

Thats the thing I haven't decided what to do turbo or SC! I am thinking of taking up smuglers offer for the turbo kit if I can find someone here to fit it for a good price.

[J_Smuggler]

I installed my kit myself. At my friends shop they charge $500-$800.

[rmcdaniels]

Turbos are fun, and I've owned turbocharged cars in the past, but like anything, it's a tradeoff. I'll generalize some here, but if you get a turbo with a big enough compressor to make big boost that outdoes a supercharger like the Eaton blower in the JR kit, then it takes a significant amount of time to spool up, giving you turbo lag. If you get a turbo with a small compressor that spools up very quickly, it may not have a sufficient volume output to make big boost at high RPMs. I've also owned a car with a dual sequential turbo setup that had the best of both worlds, a turbo that winds up quickly for instant boost and a turbo that winds up slowly but makes a lot of boost, with a switching mechanism to switch between the two at different RPM ranges. I also saw a kit for a M3 that had a variable vane turbo that was supposed to give you the best of both worlds, but I don't know that much about it. A supercharger will make consistent boost throughout the rev range, but the Eaton blower in the JR kit is not as efficient as a turbo and is not very efficient at all above 10 lbs of boost.
I think you really need to think about what you want to do with the car. If you want to drag race it, then get a turbo with a big compressor and just keep the RPMs up, although that may not be practical around town. If you want less overall power, but more usable power for daily driving, then get a turbo with a small compressor or a supercharger. It may not get as good a 1/4 mile time as a turbo, but I'm certainly not regretting it, although I do sometimes miss the massive rush of power from a big spooled-up turbo.

[honda_vti_jsy]

OK I'm going for the supercharger I think. They are going to charge me $5820 for the kit and fit it. But this company also offer me the choice of imported exhaust from the US, what system should I get to complement the JR supercharger? I want performance but also a good sound. They said they will also replace my ECU for one they set up for the charger for the best performance. I just don't know how much I should be paying for the actual charger.

[exciv2002]

$5820 sounds high. you should be able to get the sc for about $2400 US. hondata for another $400-$1000 US. spend about $600-$1000 US on install and tuning together(get it tuned on a dyno with a wideband O2 sensor for best results). then some shipping costs. I'm the SC mod at superhonda.com and had some really great stickies up there but the site has been down for a few weeks now.

[rmcdaniels]

$5820 does sound a little high, but maybe that's the going rate in the UK. OF course there are probably some fuel injectors and some kind of MAP sensor change to accomodate the new ecu as well as the other parts, but I think it really boils down to getting the job done right. I'll pay a little extra if I am confident I won't have any problems due to amateur installers. I got almost everything I have off of ebay and had it installed at a friend's shop, so I don't have a basis for comparison. You may want to shop that around to make sure you don't get gouged.

exciv2002, where do you buy your JR stuff, I've been thinking about getting an extra intake manifold for an intercooler project and would like to know where to get the best discount.

[Skeptron99]

$5820 wow! thats a lot... how much hp can you gain with a JR supercharger anyways?... is it worth the price?...just curious, cuz im planning to get one too.

thanks**

[J_Smuggler]

Originally posted by Skeptron99
$5820 wow! thats a lot... how much hp can you gain with a JR supercharger anyways?... is it worth the price?...just curious, cuz im planning to get one too.

thanks**

That is alot and its not worth it i have friend that has JR charger and doesnt make nothin for power. Honestly I would build that engine for all motor alot better then JR or I would go with a good size turbo

[exciv2000]

I got my charger at www.modacar.com. www.mossmotors.com is the distributor for JR so you could probably order a manifold from them.

[94civic]

95gsrb18 is full of crap he doesnt know s**t about cars

[djet820]

Originally posted by 94civic
95gsrb18 is full of crap he doesnt know s**t about cars

lol, all he said is to turbo it if you want serious power.


speaking of trolls...:D

[exciv2000]

Originally posted by 94civic
95gsrb18 is full of crap he doesnt know s**t about cars

Tell us something we don't know newbie :D

[forum]

Originally posted by 94civic
95gsrb18 is full of crap he doesnt know s**t about cars

If that wasn't so true I would probably be laughing at this guy right about now, but I have to agree here.

[AgressivMX3]

oh, cool, have we got a new troll?...BTW it's spelled "SHIT"

[David]

Originally posted by 94civic
95gsrb18 is full of crap he doesnt know s**t about cars

you can say shit, its not like anybody gives a s**t

[Thrash-it]

If you need a 160 thermostat I'll send you one for postage... that is if I can find it.