need information about mods - Nissan Frontier Forum
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post #1 of 6 (permalink) Old 12-13-2013, 06:30 AM Thread Starter
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need information about mods

hi to all.i want to make some mods so i have more hp and torque.
my navara d40 is 174hp according to manufacter.propably 155hp in dyno, who knows?
anyway i decide to take my 4x4 for remapping tha put chip but before do that
i will change the air filter for a k&n hi flow
but also i am thinking for
1) intercooler ?
2) euxhaust mods maybe remove cat or a straigt throu barrel with the same pipes?
3) blank egr?
so people who made these mods any info or advise are welcome
specialy for a member bluenavara

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post #2 of 6 (permalink) Old 03-04-2014, 10:25 AM
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Blanking the EGR is a good idea anyway. It will stop soot getting back to inlet therefor into combustion chamber and than to oil. So blanking Your EGR will keep Your oil cleaner. Also there are other things like better boost control and no hotspots in the inlet.

A bigger cooler might be useful if You can control the increased volume.

A bigger flow air filter will let more particles in Your engine on the other side You won't get that significant HP, the only gain is better gas reaction. I would stay with the OE filter that is actually MAHLE or other highly regarded brands like MANN altough I don't know what is available at Your location. I presume You are from Greece that must be quite dusty right?

Removing the catalityc converter is not legal in most countries of course You can risk on Your own. I would rather buy a pro built full exhaust system which can be very expensive but will definately worth the money.

What I would advise if going for more power is to replace the lower timing chain to duplex to keep the engine reliable. Use only OE Nissan parts from the pre 2005 YD, they are still available from the dealers. Aftermarket sprockets and chains do not worth a penny.

Also regulary clean the MAF.

Last edited by Steve S; 03-04-2014 at 10:28 AM.
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post #3 of 6 (permalink) Old 07-10-2016, 06:10 PM
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There's a company in UK called billcar that make a custom duplex lower timing chain conversion for the 2.5 diesel d40 navara/frontier
Very high quality and I know of many that have been converted and none have had any problems
They will mail order parts and detailed instructions if you can't get to them
There quite pricey but we'll worth it
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post #4 of 6 (permalink) Old 08-15-2016, 12:34 AM
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If you drive your 4x4 Nissan off road throw the K&N away fast as you can. Its Ok to use on highway.

[SIGPIC][/SIGPIC]2014 D22 frontier Diesel.
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post #5 of 6 (permalink) Old 08-15-2016, 01:22 AM
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I agree about the K&N.There is a dedicated website store for Dodge diesels and they refuse to sell them.
They don't make programmers ?
My Bullydog increases the h.p. 90 the rear wheel(stock 325 h.p.,625 lbs) middle setting.120 h.p. at the highest.
Main reason I have not gone to Uprev on the Nissan.
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post #6 of 6 (permalink) Old 08-22-2016, 01:11 PM
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Anyone selling you a K&N air cleaner. Knowing you go off road is not your friend.

[SIGPIC][/SIGPIC]2014 D22 frontier Diesel.
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  Nissan Frontier Forum > Mods and Technical Discussions > Diesel Mods

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