Turboing a 1997? honda SIR Vtec

[Octan3]

hi, new to this forum, and such the honda cars, but to the point, my brother has a i believe 1997 Honda SIR with a vtec, Now i have been searching google, havent found much info, this site seems good for asking about honda cars as its dedicated to them

what we do know is it has a cold air intake, AEM, its got some manifolds, and that ricer (lol) cherry bomb tip

so heres where we stand, Engine burns oil, and lots of it, and i rebuild engines and love to fiddle with a turbo, snowmobiles, trucks, etc, its all fun, ive rebuilt them too, so its time to tear this engine apart

so, i want to know what do i need to turbo this car?

i do see on ebay "turbo kits" but i see no fuel controller, and thats a biggy, you obviously need a fuel controller for fuel injection when you add boost....

now i dont know how well these engines handle a turbo, so i may just choose how much boost or how to build the engine depending on that

some engines i know you can slap a turbo on them stock and pump 8 psi fine? some you have to reduce compression, increase the head gasket or shim, w/e you want to call it to increase your "squish" and lower some compression...

gas wise, i know gas quality is important, we got chevron here which offers up to 94 octane, also the only place to offer 94 octane, and i can get av gas but av gas would be very impractical to run in a car any how... i run it in my snowmobile but i only need to fuel it once a week if that

so what would be the best thing to do? where do i get a fuel controller? anybody know any turbo kits? or what not, how should i want to build this engine? i plan to do new pistons,rings and valve seals atleast since those cause oil burning, but while i have it apart i can get stock pistons or lower comp ones, and all that good stuff, so thats why i ask

any how thanks for any info in advanced!

 

[2slo4u]

Some low compression pistons would be a great install if pairing it with boost. I'd say away from the its you see on eBay. Save up money and piece together your own kit. It'll cost more but will be worth it in the end. You can safely run up to about 300 or more HP on a stock fuel pressure regulator but an aftermarket one will never hurt. Fuel will be managed by the tuning you'll bet once the kit is installed and ready go.

 

[Octan3]

Some low compression pistons would be a great install if pairing it with boost. I'd say away from the its you see on eBay. Save up money and piece together your own kit. It'll cost more but will be worth it in the end. You can safely run up to about 300 or more HP on a stock fuel pressure regulator but an aftermarket one will never hurt. Fuel will be managed by the tuning you'll bet once the kit is installed and ready go.

well i would try to piece it all together but i figure a kit saves alot of itme, not just that but the exhaust manifolds and stuff.... thats my concern, i could make some crappy downpipe down and out the back but the exhaust manifolds for the turbo right htere is my problem,

and the tuning/fuel controller, all those kits do not show any controller, one kit showed a fuel pressure regulator with 1:1 but that would be more for a carb'd motor as to efi, ??

Thanks!

 

[2slo4u]

For the turbo manifold all you need to worry about is the flange type, making sure its the right line for the motor, and how long you want your tubing. Most of the manifolds that come on the kits you see on eBay will break its welds unless its a cast iron one. But cast iron ones are ugly and although people say they don't break I've seen them crack many times. Also depending on the waste gate you use it might hit your hood because most cast iron manifolds place the flange on the top of the manifold

As for the fpr, go with a SARD one. They are a very good brand IMO. There are things you can get off eBay or low name branded parts, but when it comes to a turbo kit you'll want to stay reputable name branded.

 

[Octan3]

well as ive said the exhaust manifold is my biggest problem beccause i just dont have the tools to do that stuff, it would be ideal for me ot just buy a "kit" but i see that probably wont happen?, how do i find the exact engine model number? maybe that may help in searching

 

[2slo4u]

what about the exhaust manifold is worrying you?
if you have a SIR you have the b16 motor and for the exhaust/turbo manifold as long as its for a b-series you should be ok

 

[Octan3]

what about the exhaust manifold is worrying you?
if you have a SIR you have the b16 motor and for the exhaust/turbo manifold as long as its for a b-series you should be ok

thanks, yeah searching ebay for B16 turbo kit ive found everything i could of asked for, searching for the cars engine as vtec does not help in any way ha ha,

manifold wise, to make one i couldnt, i dont have the proper tools to do it in any half decent manner, nor do i have the materials, this town certainly lacks that when it comes to that aspect, and i would know, doing a home made turbo kit for a snowmobile, even the simplest of thigns i had to order all online so that took for everrr

aside from that, do you have any idea on the engine, if i should leave it stock, slap a turbo on it, run 8 psi on 91 pump gas or 94 ? i would prefer 91, or im sure i would need to drop compression, do you have a idea of compression ratio? would work?, Thanks again, do appreciate your help so far

 

[2slo4u]

if you really want a full complete kit, look into a full race turbo kit or speedfactory turbo kit

this is how much most kits are that are good kids and reputable

http://honda-tech.com/showthread.php?t=2722530

you can certainly piece together a much cheaper kit, just can't stress enough about staying away from the turbo kits you find on eBay.

 

[Octan3]

ok thanks, i know garretts are a good turbo, but when it comes to a car im not so sure, it seems the chinese knockoffs work, my truck i just put on a turbo a cummins would have, its a chinese knockoff, cost me 300$, the real deal is 1800$+, so far it works and others who use it have put thousands of km's on them and make them work and 0 issues so far

so i could see saving a bunch on a kit by a cheaper turbo but, hmm okhh well, ill read around and ask around too

 

[2slo4u]

well its your money and your choice in the end, either pay now or pay later.
i've installed turbo kits that were bought on ebay and have seen them break down a few months down the road after all my hard work custom cutting and making the ugliest charge piping ever with the ones they give you..but if you wanna go for an eBay kit go for it

 

[mymmeryloss]

Holsett turbo. Get a good turbo manifold. Bigger injectors. Exhaust. Intercooler. Intercooler piping. Good non ebay blow off valve. Wastegate and tap for oil. Run vacuum lines and get a good tune.

Uts really pretty simple. Rebuild the engine to stock or upgrade to low comp pistons and a new top end and u will have a decent fast reliable car...


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[Octan3]

Uts really pretty simple. Rebuild the engine to stock or upgrade to low comp pistons and a new top end and u will have a decent fast reliable car...


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yeah, see you say rebuild to stock, well how much boost or power can i get from a turbo on stock compression at pump gas?, other wise if i needed to go lower comp pistons i will, but i dont know how low i would need, this would be just a every day driver for the hell of it


and you say a tune, well how does that work? do you get a chip for your stock computer and it its self can read boost or something and adjust on its own?, the off road vehicles world you get an addition fuel controller that supports boost and tune off it, it just modifies what the ecu wants the injectors to do

 

[mymmeryloss]

U can piggyback or standalone or chip.

Basically depends on how much u want to spend and how much hp u want...


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[Octan3]

U can piggyback or standalone or chip.

Basically depends on how much u want to spend and how much hp u want...


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not looking for alot of hp, like i said basically what ever i can do on pump gas, whether its 240 hp, its 220, i dont know, and it would be nice to just keep the cost on the down side too, but im not sure what efi solutions there are, i guess some flash their computers and it can sense boost and adjust accordingly im reading?

 

[2slo4u]

pump gas can go a long ways, my brothers integra made 400+ on pump gas

 

[mymmeryloss]

200+ is easy on stock internals...


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[Octan3]

pump gas can go a long ways, my brothers integra made 400+ on pump gas

yeah, but im sure he reduced compression and all that deal to make it happen, right?

i found this http://honda-tech.com/showthread.php?t=1263795

and i wonder, what can i make with STOCK injectors and stock system?, to make it as much of a bolt on and get up and running and go? i see now people say this or that, they say a ecu tuning works, but i dont know where to get any of that done, it seems like the infos out there just people dont want to share it....

another thing is again the compression, people know it but they wont say it, they tell me to search, well i search and search and find nothing of value, hmm :\