Quote:
Originally Posted by jt20
"The 261 vs 265 comes down to which engine (specifically which head) you have. Any engine with an aluminum head needs the 265. If you have the older iron head, OM61X engine, you really would not notice any difference between the two. Both are big emission improvements over the 240. The exception is if you have a 617 with modifications, like bigger turbo, intercooler and IP putting out more fuel and governed to turn faster than stock.
Where you will see a difference is above 4000 RPM. The 265 is able to feed a ~17% smaller cylinder but at a faster rate. BUT overall, there is little difference in the two. "
this is the quote from Sean.
I bought 261's
from the threads I read, the 265's sounded more desireable. But I totally trust Mr. Watts
ps..I just edited the previous post.
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Thank you. BTW, I got this from the Monark factory. Also, greater performance improvements are gained by increasing injector pump output. Most injectors will allow for more fuel than most IPs can deliver, in factory setting parameters.
10-30-2008, 11:32 AM
Linear Mode
