macca2042 Donating Members 150 Member For: 15y 6m 9d Gender: Male Location: Yarrawonga Posted 28/01/12 01:32 AM Share Posted 28/01/12 01:32 AM so I am putting together a set of mods for my car and one of them is doing the turbo flapper/housing mod, what I am seeking info on is the general operation of them, for instance I have read that the standard actuator can handle about 12psi steady, what does it mean if I put a new actuator on there at 8psi? is that the minumum the actuator will hold boost wise? so if I was to get it tuned the minimum boost would be 8psi?any help is greatly appreciated Link to comment Share on other sites More sharing options...
ratter Member 6,793 Member For: 18y 9m 1d Gender: Male Location: @ my laptop Posted 28/01/12 02:35 AM Share Posted 28/01/12 02:35 AM some standard ones will hold 12 psi but not all, exhaust system choice, actual actuator tension etc can all have a small affect on the pressure, in theory a 8 lb actuator will only allow 8 psi as a minimum once the turbo starts making boost, it will drop boost though if the turbo is too small for the car which on a BF is not a problem Link to comment Share on other sites More sharing options...
macca2042 Donating Members 150 Member For: 15y 6m 9d Gender: Male Location: Yarrawonga Posted 28/01/12 02:53 AM Author Share Posted 28/01/12 02:53 AM so how much boost would an 8psi actuator hold before it starts having problems with holding boost Link to comment Share on other sites More sharing options...
MiKa Donating Members 4,243 Member For: 18y 6m 7d Gender: Male Location: Melbourne, VIC Posted 28/01/12 03:53 AM Share Posted 28/01/12 03:53 AM I don't think there is a definite answer mate.. but most ppl put in a 12psi who want to run 300+rwkw, but I suppose a 8 would be fine?... How much boost/power do you want to run should determine what actuator you get.. I think std actuator is 3psi? Link to comment Share on other sites More sharing options...
Paulie2256 Donating Members 7,441 Member For: 16y 3m 6d Gender: Male Location: SE Melbourne Posted 28/01/12 04:12 AM Share Posted 28/01/12 04:12 AM (edited) Size of actuator will also help with tuning. For example, if you want boost to come on slower and give you a better take off and linear power you can get the 8, works well in the street. But if you want a big kick in the guts and fry tyres on the road then get the 12. Probably get semis to helpBoth are good for over 300.Ratter, what do you usually recommend when getting the turbo done? Or is it up to the customer? Edited 28/01/12 04:13 AM by Paulie2256 Link to comment Share on other sites More sharing options...
Dillz Three pedals are better then two.. Donating Members 15,637 Member For: 17y 9m 2d Gender: Male Location: Melbourne Posted 28/01/12 04:18 AM Share Posted 28/01/12 04:18 AM Can you get an actuator with out the need to port it? Link to comment Share on other sites More sharing options...
macca2042 Donating Members 150 Member For: 15y 6m 9d Gender: Male Location: Yarrawonga Posted 28/01/12 04:57 AM Author Share Posted 28/01/12 04:57 AM hmm im thinkin more for streetable driving hence I was thinkin 8 but I spose askin around what the guys runnin the 12psi on the street recommend might be a good idea or even talkin to a tuner, im lookin for mainly a good mix between eye burstin torque and nice daily driver friendly if that helps define haha Link to comment Share on other sites More sharing options...
Henz Tampon inserted, Auto Acquired, next purchase a new handbag Donating Members 9,946 Member For: 16y 11m 8d Gender: Male Location: Vic Posted 28/01/12 05:19 AM Share Posted 28/01/12 05:19 AM Macca is yours manual? Go all out with the power and then just regulate it with ya right foot! 1 Link to comment Share on other sites More sharing options...
ratter Member 6,793 Member For: 18y 9m 1d Gender: Male Location: @ my laptop Posted 28/01/12 06:31 AM Share Posted 28/01/12 06:31 AM Size of actuator will also help with tuning. For example, if you want boost to come on slower and give you a better take off and linear power you can get the 8, works well in the street.But if you want a big kick in the guts and fry tyres on the road then get the 12. Probably get semis to helpBoth are good for over 300.Ratter, what do you usually recommend when getting the turbo done? Or is it up to the customer?most people are better off going with the 12 for most our requests, the only 8 I have used recently was on Bels G6ET Link to comment Share on other sites More sharing options...
ratter Member 6,793 Member For: 18y 9m 1d Gender: Male Location: @ my laptop Posted 28/01/12 06:32 AM Share Posted 28/01/12 06:32 AM Can you get an actuator with out the need to port it?Not if you've got a good exhaust and want to control boost Link to comment Share on other sites More sharing options...
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