One for Toyota Turbo Gurus (gurii?)

Submitted: Saturday, Jan 06, 2007 at 16:28
ThreadID: 40934 Views:2024 Replies:1 FollowUps:1
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Hi all,

I'm not right up my Toyota engines so, when I just looked at a 78 series Troopy with a N/A 4.2 diesel (1HZ), I was surprised to see a diaphragm chamber on the top of the VE-type injection pump. The chamber has no hose connection to the top of the diaphragm.

So, you Toyota technical gurus out there, do you know:

a ) Is it an unused manifold pressure compensator (and do Toyota therefore use the same pump on the 1HD-T and 1HD-FT factory turbo engines and simply fit a different diaphragm cover?

or b) Is it just an aneroid diaphragm for high altitude fuel correction?

If a) is true, do some/all aftermarket turbo kits provide a new diaphragm cover with a boost pressure connection?
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Reply By: Member - DOZER- Saturday, Jan 06, 2007 at 17:20

Saturday, Jan 06, 2007 at 17:20
B high altitude correction for emmissions...
AnswerID: 213663

Follow Up By: Ian from Thermoguard Instruments - Saturday, Jan 06, 2007 at 17:29

Saturday, Jan 06, 2007 at 17:29
Ta muchly, Dozer.
FollowupID: 474003

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