michael-s70 Posted August 3, 2010 Report Share Posted August 3, 2010 i have been thinking about making an n/a into a nasty little turbo car. i know its not exactly the best idea but i have the parts lying around so why not use them since its a project car? plan is to swap in turbo harness, use a 13 g, white or blue injectors, t5 ecu, stock boost levels, stock boost pipes, stock intercooler, basic all stock look... only performance thing would be obx 3" no cat dumped before rear end. heres my questions on it so far.... can i just run oil lines to a oem 13g or should i run coolant lines as well? should i swap in a turbo trans or is the n/a trans just as strong? should i add a oil cooler or swap to a oem oil cooler design or leave it un-cooled? any input is welcome thanks, michael Link to comment Share on other sites More sharing options...
johnloves850's Posted August 3, 2010 Report Share Posted August 3, 2010 Basically everything depends on the amount of money you want to spend. I too was planning on doing the +T but the deal fell through on the n/a I was getting The only thing you will need to worry about is the compression ratio. You'll need to run pretty significantly retarded timing, and always run premium. So either become friends with someone who can tune, or drop some ching on a dyno tune. You won't be able to buy an off the shelf +T tune. Run coolant and oil. I can't really think of a reason not to. If it is a project car, run the trans until it blows up. Then manual swap. I would add an oil cooler. And possibly a trans cooler, just because. And don't forget about all of the gauges to monitor everything. And report back once you get this beasty running :tup: Link to comment Share on other sites More sharing options...
magicaljake Posted August 3, 2010 Report Share Posted August 3, 2010 go for it... i want to see what happens Link to comment Share on other sites More sharing options...
Mesoam Posted August 3, 2010 Report Share Posted August 3, 2010 orange injectors off the stock turbo cars will be fine... Link to comment Share on other sites More sharing options...
Pops Racer Posted August 3, 2010 Report Share Posted August 3, 2010 not again... Link to comment Share on other sites More sharing options...
michael-s70 Posted August 3, 2010 Author Report Share Posted August 3, 2010 I was thinking before I get a tune I would see how well it ran with a stock tune. Speaking of manual swap I'm going to pick up a brand new m56h this weekend . So ill do an oil cooler now should I swap in a stock oil line output and input (I don't know its proper name)? Where might be a good place to tap in for oil feed to the turbo? if I remember correctly there's no where on the n/a block to get an oil line out like the OE. Design? Link to comment Share on other sites More sharing options...
Ipd Posted August 3, 2010 Report Share Posted August 3, 2010 You'll def want to water cool that turbo, it won't last very long without it. Oil cooler is recommended but not required, if you run more than 5 psi then I'd probably add one. Tuning is easier than you think. A basic piggy back will do the job, or swap to a GLT turbo ECU if you do a complete harness. I personally didn't swap the harness on my last one. Just set the wastegate to 7 psi and use an SMT6 to add a bit of fuel and pull a few degrees of timing. If you've got the parts and don't mind investing the time it's not a bad swap. Now whether or not it's worth it is up to you... Link to comment Share on other sites More sharing options...
850newb Posted August 3, 2010 Report Share Posted August 3, 2010 not again... Come on, you guys are doing so well don't ruin it now. Link to comment Share on other sites More sharing options...
michael-s70 Posted August 3, 2010 Author Report Share Posted August 3, 2010 You'll def want to water cool that turbo, it won't last very long without it. Oil cooler is recommended but not required, if you run more than 5 psi then I'd probably add one. Tuning is easier than you think. A basic piggy back will do the job, or swap to a GLT turbo ECU if you do a complete harness. I personally didn't swap the harness on my last one. Just set the wastegate to 7 psi and use an SMT6 to add a bit of fuel and pull a few degrees of timing. If you've got the parts and don't mind investing the time it's not a bad swap. Now whether or not it's worth it is up to you... I was thinking of using a aem fic 6 for a piggy back. I have 60 days for the project and believe its worth it. Thanks for the input about the turbo lucky! Link to comment Share on other sites More sharing options...
ozzimark Posted August 3, 2010 Report Share Posted August 3, 2010 Definitely put in the oil squirters for cooling the pistons! Link to comment Share on other sites More sharing options...
Prezman26 Posted August 3, 2010 Report Share Posted August 3, 2010 hope it works out! i was going to the the money issue popped its head...would still like to do a manual swap though. If you go through take lots of pictures! Link to comment Share on other sites More sharing options...
dsm_owner Posted August 3, 2010 Report Share Posted August 3, 2010 I call shinanigans on all of you. Non turbo engines have 10.5:1 compression. It is possible to add a turbo but your car will no longer be reliable, for instance: you will probably need to run no thermostat, run the cooling fan all the time, run some kind of oil cooler and run 13:1 air fuel ratio to compensate for all that extra heat from the dynamic compression once the turbo kicks in. Since you'll be running a 13g your boost will happen very quickly. The non turbo engine has too much compression for adding a turbo to be a "good" idea and you will have to use a bunch of band aids like the few i mentioned just to keep yourself away from spark knock and detonation which will kill your engine. My advice would be just don't do it unless you're an expert on tuning. Link to comment Share on other sites More sharing options...
bigdaddylee82 Posted August 3, 2010 Report Share Posted August 3, 2010 I'm not real up on turbo Volvos since mine is not, but I have pondered this a few times. I've read through this thread a few times, and while it is a supercharger instead of a turbo he was running 13 psi on a high mileage NA engine, granted he was using a stand-alone ecm, but it convinced me to not be so quick to dismiss the idea of a forced induction B5254S, I just wish he hadn't given up on the project, but still proof of concept is there. This may not be doable/practical on the Volvo 5-cylinder, but I know a lot of Mitsu. guys stack 3+ head gaskets to lower their compression ratio. You're not going to drastically reduce compression, but it would help. Another, probably even less practical solution; I know that a lot of Jeep folks physically remove material from the combustion chamber of the head on the 4.0L when stroking in order to keep compression low enough for cheap gas. With 4 valves in the combustion chamber, and the head being Aluminum it's probably not the greatest idea for the Volvo, but an idea still. Now I'm rambling. I'll shut up. Back to regular scheduled Volvo geekery. - Lee Link to comment Share on other sites More sharing options...
Ipd Posted August 3, 2010 Report Share Posted August 3, 2010 From someone who has actually done a turbo conversion on a N/A Volvo. It is doable. You will hit some detonation without timing/fuel control of some kind. I ran the car without tuning for a month on 5psi and it did fine, minor det on warmer days. The comment that no thermostat will be needed or that the fans will have to be on all the time is not accurate. You will want to run 93 octane whenever possible and certainly utilize a factory intercooler. All in all it is easier to buy a stock turbo car and build it, but there is something to be said in just doing it for fun, after all that's what helped get me my job... Link to comment Share on other sites More sharing options...
Mesoam Posted August 4, 2010 Report Share Posted August 4, 2010 do not listen to this idiot...there have been a number of N/A +t conversions over the years including one not too far from me, can ran very good the main reason people don't do them is because its so cheap to just buy a turbo car or motor small turbo, low boost, lots of fun I call shinanigans on all of you. Non turbo engines have 10.5:1 compression. It is possible to add a turbo but your car will no longer be reliable, for instance: you will probably need to run no thermostat, run the cooling fan all the time, run some kind of oil cooler and run 13:1 air fuel ratio to compensate for all that extra heat from the dynamic compression once the turbo kicks in. Since you'll be running a 13g your boost will happen very quickly. The non turbo engine has too much compression for adding a turbo to be a "good" idea and you will have to use a bunch of band aids like the few i mentioned just to keep yourself away from spark knock and detonation which will kill your engine. My advice would be just don't do it unless you're an expert on tuning. Link to comment Share on other sites More sharing options...
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