 7afe JDM vs USDM, specifications |
 Jul 14, 2005 - 9:16 AM
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 Enthusiast  Joined May 22, '03 From NOVA Currently Offline Reputation: 16 (100%)  |
ok on the topend of the 7afe
the jdm/euro spec is different then the USDM mostly in valve train but what exactly makes it different and more benificial |
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Jul 15, 2005 - 8:27 AM
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 Enthusiast Joined Dec 21, '02 From Italy Currently Offline Reputation: 0 (0%) |
well just thinkin that an engine as 7AFE have in US market a 4-1 header which gives his better at high RPMS instead the use of a 4-2-1 which help in low-medium RPMS is a silly fact cuz of fuel cut at 6.2 and cuz of max power around 5k.
The intake cam difference, dear Kwanza, has been measured from a machine shop. well maybe the USDM one I got, since it is used, lost few cents of lift but the difference measured was 0.8 mm (asked yesterday) so don't say if u don't try in 1st person. The ECU is different also in years: I mean: my 94ST has different maps than Doggy's ST which is 96 if I'm right. Just think my fuel cut is 6300RPMs, his fuel cut is around 7K!!!!! Than the EGR think maybe let USDM engine lose a little bit cuz of rejoon of non-burnable gas into combustion chamber=less efficiency. That's it I think.... |
Posts in this topic
playr158 7afe JDM vs USDM Jul 14, 2005 - 9:16 AM
doGGy NO EGR at first place.
Second - camshafts
Third ... Jul 14, 2005 - 10:08 AM
Illyont QUOTE(doGGy @ Jul 14, 2005 - 10:08 AM)NO EGR ... Jul 15, 2005 - 7:14 AM FallenHero better intake manifold also. Jul 14, 2005 - 12:14 PM Kwanza26 QUOTE(FallenHero @ Jul 14, 2005 - 5:14 PM)bet... Jul 14, 2005 - 1:19 PM doGGy They are compleatly the same from Exterior... Even... Jul 15, 2005 - 5:42 AM FallenHero you think the lack of EGR is the defining factor i... Jul 14, 2005 - 1:29 PM Kwanza26 QUOTE(FallenHero @ Jul 14, 2005 - 6:29 PM)you... Jul 14, 2005 - 5:47 PM playr158 hey fallen see if you can find out how big the jdm... Jul 14, 2005 - 11:00 PM playr158 illyont you don't have a cat on your header an... Jul 15, 2005 - 7:44 AM playr158 so the cam has a difference of .8mm
what would be ... Jul 15, 2005 - 8:29 AM edo17982 QUOTE(playr158 @ Jul 15, 2005 - 3:29 PM)so th... Jul 15, 2005 - 8:35 AM playr158 thanks edo Jul 15, 2005 - 8:37 AM playr158 edo what injectors are you using? Jul 15, 2005 - 8:39 AM edo17982 while keeping NA I'm using stock. They can pro... Jul 15, 2005 - 11:28 AM Kwanza26 Lol... true that I've never driven a a JDM or ... Jul 15, 2005 - 12:31 PM doGGy Lol.....
Nothing more to add....
But still, i ai... Jul 17, 2005 - 2:23 PM normality78 i've bought a 7AFE engine alone. How do i tell... Oct 29, 2005 - 12:19 AM playr158 you have USDM there really is no big difference Oct 29, 2005 - 1:53 AM FallenHero JDM head has eight individual ports with the injec... Oct 29, 2005 - 12:53 PM normality78 yeah, mine has eight individual ports with the inj... Oct 29, 2005 - 11:26 PM FallenHero yup, that's the euro or "JDM" head. ... Oct 30, 2005 - 1:11 AM Hanyo now the question is, will you still pass smog with... Oct 30, 2005 - 3:05 AM FallenHero Yep, looks completely stock and all the EGR work c... Oct 30, 2005 - 10:46 PM normality78 yeah, its in total stock base. GE head is going in... Oct 31, 2005 - 9:12 PM FallenHero what are you asking? Nov 2, 2005 - 11:19 PM 94ST2 I think hes asking if he swaps on the ge head will... Nov 3, 2005 - 2:19 AM Kwanza26 QUOTE(94ST2 @ Nov 3, 2005 - 7:19 AM)I think h... Nov 3, 2005 - 2:22 AM normality78 94ST2,
tks for the clarification.
Kwanza,
point ... Nov 3, 2005 - 10:58 PM |
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