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Plunger stroke question

benjaminf

New Member
Joined
Apr 15, 2016
Messages
21
Country Flag
finland
Engine swap . 1HD-T out and rebuilt 1HD-FT in .( egr removed)
I use 1hd-t fuelpump .
Plunger stroke :
1 hd-t 1,29 - 1,35
1 hd - ft 1,52 - 1,58 (euro)
1 hd - ft 1,37 - 1,43 (aus)
Do i use 1 hd-t specs or 1 hd-ft specs ?
 
will the dt pump work with the ft injectors? the ft has a 2 stage injector, isn't the injector on the dt single stage like the hz?
 
There isn't an official figure. I would take an average. They are all pretty close in the scheme of the timing. Those engines were designed years ago and I would think fuel has altered so much that the timing figures are a bit irrelevant. I checked my 1HD-FT engine timing and it was 0.30 retarded but when I advanced it to the official figure I did not notice much difference.

The pump may not be correct in other areas however but if it runs OK, does not black smoke and returns at least 25 mpg on a run I would think that's OK. If you get a lot of white smoke when engine running cold but then clears on getting hot you may be a bit retarded.
 
"You may be a bit retarded"?...that's not very nice lol
 
will the dt pump work with the ft injectors? the ft has a 2 stage injector, isn't the injector on the dt single stage like the hz?
Has been used and its work.
The reason why I use T pump is egr (removed) .
Without EGR is difficult to get the ft pump to work ok .
 
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