dr_jekyll Posted September 18, 2010 Share Posted September 18, 2010 just a quick one for the engine guys. im arguing with a guy i know at the moment that thinks he can run 9psi of boost on an engine that has a comp ratio of 11.0 i think hes nuts it will pre det like made and destroy a verry expensive engine . how much boost could you run on an engine with that compression if any, he is adiment he wants to turbo it . thaughts? Quote Link to comment Share on other sites More sharing options...
JustGav Posted September 18, 2010 Share Posted September 18, 2010 Depends on the engine..... There is no single answer.. Quote Link to comment Share on other sites More sharing options...
dr_jekyll Posted September 18, 2010 Author Share Posted September 18, 2010 i thaught that would be the case. its an all alloy . 3.6 90 degree v8 5 valves per cylinder. 40 in total . 8500 redline if that helps Quote Link to comment Share on other sites More sharing options...
JustGav Posted September 18, 2010 Share Posted September 18, 2010 i thaught that would be the case. its an all alloy . 3.6 90 degree v8 5 valves per cylinder. 40 in total . 8500 redline if that helps Nope.... not at all Quote Link to comment Share on other sites More sharing options...
dr_jekyll Posted September 18, 2010 Author Share Posted September 18, 2010 ok, so ill tell him to try and see. its not my moneys anyway Quote Link to comment Share on other sites More sharing options...
Kirk Posted September 18, 2010 Share Posted September 18, 2010 Ive seen 11:5.1 CR turbo motors boosted at 26lbs but that was on race fuel for ovious reasons. It isnt an uncommon thing and it probly is possible but only using good fuel. Quote Link to comment Share on other sites More sharing options...
Andy Blyth Posted September 18, 2010 Share Posted September 18, 2010 The SEAT Leon 2.0 TFSI will happily run 22psi boost at 10.5:1 compression ratio (REVO stage 1) with V-power. Sorry. Quote Link to comment Share on other sites More sharing options...
dude Posted September 18, 2010 Share Posted September 18, 2010 Depends on lots of things, rally cars are running hi comp turbo engines now. With loads of overlap on the cams will prob be fine Quote Link to comment Share on other sites More sharing options...
Suprab1 Posted September 19, 2010 Share Posted September 19, 2010 just a quick one for the engine guys. im arguing with a guy i know at the moment that thinks he can run 9psi of boost on an engine that has a comp ratio of 11.0 i think hes nuts it will pre det like made and destroy a verry expensive engine . how much boost could you run on an engine with that compression if any, he is adiment he wants to turbo it . thaughts? Not that i have a clue but just interested what kind of car/engine this is? Quote Link to comment Share on other sites More sharing options...
dr_jekyll Posted September 19, 2010 Author Share Posted September 19, 2010 well the car is a ferrari f360 modena . so i didnt think it would be a good idea as the engine is built for power while n/a. he dosent want to open the engine Quote Link to comment Share on other sites More sharing options...
sams Posted September 19, 2010 Share Posted September 19, 2010 well the car is a ferrari f360 modena . so i didnt think it would be a good idea as the engine is built for power while n/a. he dosent want to open the engine rotex have one of those for a demo car, twin supercharger 700bhp, but being ferrari im sure there over engineered aproach would mean they could handle that small amount of boost Quote Link to comment Share on other sites More sharing options...
dr_jekyll Posted September 19, 2010 Author Share Posted September 19, 2010 rotex have one of those for a demo car, twin supercharger 700bhp, but being ferrari im sure there over engineered aproach would mean they could handle that small amount of boost interesting. do you know if it on standard interanls? Quote Link to comment Share on other sites More sharing options...
sams Posted September 19, 2010 Share Posted September 19, 2010 interesting. do you know if it on standard interanls? yeah standard internals running 14psi boost Quote Link to comment Share on other sites More sharing options...
dr_jekyll Posted September 19, 2010 Author Share Posted September 19, 2010 cool , i hope he dose it now , that would be great to see. i shal encourage Quote Link to comment Share on other sites More sharing options...
sams Posted September 19, 2010 Share Posted September 19, 2010 but not a 360 engine. sorry they have put the v8 out of a 430 scuderia in the 360 but they are the same 136E V8 engine, bar the size difference Quote Link to comment Share on other sites More sharing options...
dr_jekyll Posted September 19, 2010 Author Share Posted September 19, 2010 i wont tell him that Quote Link to comment Share on other sites More sharing options...
jagman Posted September 19, 2010 Share Posted September 19, 2010 Direct injection cars run this all the time , the high CR helps off boost performance , but on non DI head , read major bucks to convert !! DI is the future !! Quote Link to comment Share on other sites More sharing options...
sams Posted September 19, 2010 Share Posted September 19, 2010 i wont tell him that suppose it best not to, at 9psi i would thought the engine would hold up, they have put twin intercooler and extra coolers to keep temps down preventing pre det Quote Link to comment Share on other sites More sharing options...
Kirk Posted September 19, 2010 Share Posted September 19, 2010 Direct injection cars run this all the time , the high CR helps off boost performance , but on non DI head , read major bucks to convert !! DI is the future !! This would be a good start http://jmimports.mine.nu:10100/yahoo/trans_parts.php?code=Jmo5Mjc4MjIxMiZodHRwOi8vZjYuYXVjdGlvbnMuYy55aW1nLmpwL2YwMmJhdGNoaW1nLmF1Y3Rpb25zLnlhaG9vLmNvLmpwL3VzZXJzLzcvNy83LzAvc3l1dG9fMDMxOS10aHVtYi0xMjg0MDEwMzM2Nzg1NjkxLmpwZw== Quote Link to comment Share on other sites More sharing options...
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