L20 series engines exhaust changability

Discuss (and cuss) the Nissan LD-series OHC Six diesel engine, popularly available in the US in 1981-83 Datsun/Nissan Maxima Sedans & Wagons.

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Jonesboy2
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L20 series engines exhaust changability

#1

Post by Jonesboy2 » 5 years ago

I have a 1982 Datsun maxima ld28. I just bought it and don't know all too much about yet. I was wondering if I could put an aftermarket header on it that is actually for a 240zx. I think if I have read things correctly the L20 series engines all have the same block? I didn't know if I could buy one and it'd bolt right up to my maxima block? And how much back pressure if much at all do the ld28's require? I'd greatly appreciate any feeedback. Thanks in advance and God bless

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asavage
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Re: L20 series engines exhaust changability

#2

Post by asavage » 5 years ago

The L28ET exhaust manifold is not quite a bolt-on, but only a little trimming is required at the mounting flanges. For that reason, I suspect that headers designed for the L28 will more-or-less bolt to the head.

Whether the downtubes will clear the steering box, alternator, etc. I do not know.
Regards,
Al S.

1982 Maxima diesel wagon, 2nd & 4th owner, 165k miles, rusty & burgundy/grey. Purchased 1996, SOLD 16Feb10
1983 Maxima diesel wagon, 199k miles, rusty, light yellow/light brown. SOLD 14Jul07
1981 720 SD22 (scrapped 04Sep07)
1983 Sentra CD17, 255k, bought 06Jul08, gave it away 22Jun10.

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