Rx7 ??
What percentage water to fuel are people using for a twin turbo application twin rotary. atm im using 5.9gph with 36gph of fuel. I am gonna be increasing my fueling to 44gph. What do you think my water percentage should be.
Scott |
We normally go for between 10-15% of water/fuel by mass, minmise any blow-by to the sump.
Fuel has a density of 80% of water, but it is OK to go by volume, it is useful to compensate the pressure offset in the manifold. Richard Could we have more details of the set uip - pictures will be useful. |
Cool thanks. What details would you need.
Scott |
I think the Rx7 have primary and secondary injectors, what are their sizes?
|
Im am going to have 2 x 850cc primary injectors and 2 x secondary injectors
Scott |
YOu are capable of deliverying 3400cc of fiel per min. a 1mm just will about giving to 10% of w/f ratio. If you add a priming pump - you can stretch the ratio to 15%+.
How stressful is your tune (engine wise)? |
Cool. That was what i was thinking.
My engine is not mapped yet. still waiting for bits to turn up at the mo. Gonna tune for the water and try and gain a few ponies tho the timing. How does the ratio alter when adding alch if at all. Scott |
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