can you use a diesel turbo on a Unleaded fi car ?
08-09-2005, 05:30 PM
#1
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can you use a diesel turbo on a Unleaded fi car ?
im sure its been posted but i couldnt find it. is there a difference im getting a t28 from a dsm but the 4g63 motor was a diesel which is stamped 4g6N is this gonna work or am i gonna break something ?
08-09-2005, 11:36 PM
#4
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Re: can you use a diesel turbo on a Unleaded fi car ?
Diesel turbos work, BUT you have to make sure they are sized correctly.
How many revs does the 4G6N turn? Sleazy rule of thumb is that the turbo off a 10 liter diesel engine that turns 3000 rpms is a good fitment on a 5.0 liter gas engine turning 6000 rpms.
I have seen ONE turbo off of diesel farm equipment, a T3 chassis, with a COMPLETELY ALIEN turbine wheel and split tang turbine housing. I think it's an anomaly, but take a peek before you commit yourself - a turbine meant for pulsed flow (a la Hitachi in an RX7) might not be ideallized for a constant pressure manifold setup as found in regular gas applications.
How many revs does the 4G6N turn? Sleazy rule of thumb is that the turbo off a 10 liter diesel engine that turns 3000 rpms is a good fitment on a 5.0 liter gas engine turning 6000 rpms.
I have seen ONE turbo off of diesel farm equipment, a T3 chassis, with a COMPLETELY ALIEN turbine wheel and split tang turbine housing. I think it's an anomaly, but take a peek before you commit yourself - a turbine meant for pulsed flow (a la Hitachi in an RX7) might not be ideallized for a constant pressure manifold setup as found in regular gas applications.
08-10-2005, 05:22 PM
#5
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Re: can you use a diesel turbo on a Unleaded fi car ?
diesel turbo's tend to have a rather larger turbine to compressor ratio due to the fact that the diesel gasses expand a lot more than petrol gasses when exiting the combustion chamber.
Personally I wouldnt bother, there are plenty of good petrol turbo's out there to be had
Personally I wouldnt bother, there are plenty of good petrol turbo's out there to be had
08-11-2005, 08:12 AM
#8
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Re: can you use a diesel turbo on a Unleaded fi car ?
Originally Posted by surfer
diesel turbo's tend to have a rather larger turbine to compressor ratio due to the fact that the diesel gasses expand a lot more than petrol gasses when exiting the combustion chamber.
Power is derived from expansion of water vapor formed in the combustion reaction - that hot gas heat ---- doesn't fly with me.
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