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eNgine swaps
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Went for a ride in a friend's QR25DE-powered Datsun 510? Now you can have the same in your Datsun 1200

$799 QR25 02-06 QR25DE 2.5L LOW MILES! JAPAN IMPORT
* swap info: QR25DE Engine
* Use $400 MegaSquirt and a Frontier 5-speed


Need something with less HP? How about a bulletproof SR20?
$1250 S14 SR20DE 2.0L NON-TURBO W/5SPD MT, ECU WIRING
* Includes 5-speed, wiring and ECU

Attach file:



jpg  QR25DE.jpg (53.65 KB)
174_5876c4330cde5.jpg 600X400 px

jpg  SR20DE.jpg (51.51 KB)
174_5876c5f0dadbb.jpg 600X400 px

Posted on: 1/11 23:55
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Re: eNgine swaps
No life (a.k.a. DattoMaster)
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Sounds good Dave but what are the gear ratios on the truck box and what does the trans and motor weigh? Granted the stock package in a 1200 would make it go really well. For me the big 1200 addiction is that snap turn in on corner entry.........I'd hate to give that up. Now granted if I start using my Formula car for vintage racing (it's an 87). I could free up the 1200 as a track day only car this would be a great package, 150-180hp on pump gas and not have to rev the nuts off the motor all the time.


Tom

Posted on: 1/12 5:04
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Re: eNgine swaps
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A12 + 4spd = light weight. 69 HP
QR25DE + 5spd = medium weight. 175 HP factory stock

QR25DE weighs less than an SR20

Posted on: 1/12 5:22
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Re: eNgine swaps
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A12: 192 lbs
QR: 267 lbs
SR: 306 lbs

Posted on: 1/12 6:34
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Re: eNgine swaps
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56 4-speed (for A12): 38 lbs
71 5-speed (for SR): 96 lbs
R30A 5-speed (for QR): 119+ lbs, rated for 210 ft. lb.
R31A 6-speed (for QR): 130+ lbs, rated for 322 ft. lb.

Posted on: 1/12 7:02
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Re: eNgine swaps
No life (a.k.a. DattoMaster)
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There is a 2ltr version of the qr25de = 267lbs
It has shorter stroke crank around 80mm and is
supposedly due to crankshaft 12lbs lighter
30% shorter engines than the sr20 and 13% lighter
which if an sr20 bare is 100kg the qr25 is 13kg less.
However post 08 QR25de update is full counter crank
so would be a little heavier again 5lbs?
There a Jim Wolfe twin balancer delete removes 8lbs
No power steering pump -16lbs
No catalic converter aftermarket headers -16lbs?
lightweight flywheel and clutch JW 12lbs
UR underdrive crank pulley -3lbs
FWD engine mounting brackets and other brackets -8lbs

around 85-90kg dressed which is nothing

175hp + jim wolfe headers +12hp, balance delete +6-8hp
some s1 cams just under 200hp without much sweat
the stage 2 or 3 cams add another ???hp

Pity QR25DE dont suit the 1200 coupe retro lines ;(
if I had to choose Id save up for an sr20ve

Posted on: 1/12 11:56

Edited by D on 2017/1/12 12:14:37
Edited by D on 2017/1/12 12:18:04
_________________
https://www.youtube.com/watch?v=FEheU28ea3c
Give me control of a nations money supply and I care not who makes the laws - Mayer Amschel Rothschild

Politics not the oldest profession yet same result http://www.anarchistmedia.org/pdf/The-Anzac-Myth.pdf
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Re: eNgine swaps
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Or you could get a Spec V QR25DE which is already 200hp factory warranteed (a lot more HP than the SR20DE Spec V). The 2007-2012 version is the bulletproof one. Earlier engines from 2000-2006 had various problems

Posted on: 1/13 0:18
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Re: eNgine swaps
No life (a.k.a. DattoMaster)
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cant deny the cost torque power per $ of the late qr25de spec V
super cheap recoed as well
http://esengines.com/2002-nissan-sent ... 5de-2-5-liter-engine.html

itbs custom setup
http://www.b15u.com/threads/13896-Qr-25-ITBs/page10

595usd for the QR20DE
https://www.jspecauto.com/engine_detai ... ement-qr20-motor-save-gas


front style sump bonus for the qr20de!
Open in new window

lower mani can be made to fit ITBs
Open in new window

Posted on: 1/13 3:40

Edited by D on 2017/1/13 4:33:39
Edited by D on 2017/1/13 4:37:06
_________________
https://www.youtube.com/watch?v=FEheU28ea3c
Give me control of a nations money supply and I care not who makes the laws - Mayer Amschel Rothschild

Politics not the oldest profession yet same result http://www.anarchistmedia.org/pdf/The-Anzac-Myth.pdf
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Re: eNgine swaps
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How hard is it to find a 5spd tranny for one of these?

Posted on: 1/14 3:48
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Re: eNgine swaps
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Very easy to find. Any USA Nissan pickup 2005-up 4-cylinder 2WD has it

Posted on: 1/14 4:04
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