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Go Back   SR20 Forum > Main Forums > SR20VE / SR16VE



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Old 07-28-2005, 10:49 PM   #1 (permalink)
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who came 1st??

I was talking to my boss and he is a honda freak... he says that nissan copied honda/accura with the variable timing thing.. What do u guys think?? And another question.. Out of the vtech,vvl,and vvti, wich one makes more power stock??
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Old 07-28-2005, 11:03 PM   #2 (permalink)
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First of all vtec, vvl, and vvti are all different from each other. Also, you can not compare which one makes more power stock, because they have different compression ratios and some have better flowing heads etc. etc.
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Old 07-28-2005, 11:15 PM   #3 (permalink)
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VTEC first

Honda was the first to come out with VTEC. It was developed in 1990 in the CRX. It wasnt called Vtec then. But it was out then!
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Old 07-28-2005, 11:22 PM   #4 (permalink)
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Quote:
Originally Posted by nissansr20nx
Honda was the first to come out with VTEC. It was developed in 1990 in the CRX. It wasnt called Vtec then. But it was out then!
Not in the US CRX. I think the NSX was the first to have VTEC, but I'm not 100% sure about that.
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Old 07-28-2005, 11:34 PM   #5 (permalink)
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yea and there is the rumor that says that nissan patented variable valve stuff ** honda, dunno how true it is though
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Old 07-28-2005, 11:40 PM   #6 (permalink)
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I thought I remembered BMW being the first but I have many fuzzy memories.
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Old 07-29-2005, 12:03 AM   #7 (permalink)
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In 1989, Honda indroduced the first VTEC-equiped production engines in the Japanese market Honda Integra. Honda was certainly not the first company to implement variable valve timing in a production engine. Variable valve timing was pioneered by GM several decades earlier.

What Honda was the first to do do was implement variable valve timing and variable valve lift on a production engine. Their variable valve lift system also pioneered the concept of multiple cam profiles side by side on the same cam shaft.

Since then many other auto companies have followed Honda with systems that let the engine vary both valve timing and valve lift including Nissan, Mitsibishi, Toyota(well, using Yamaha engines...) Porsche, and BMW.

In the US, the first Honda products available were the Acura NSX in 1990, followed by the 1992 Acura Integra GS-R (with its odball 1.7l VTEC engine). The first Honda-branded product in the US to get a VTEC engine was the 1993 Honda Prelude "Si VTEC."

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Old 07-29-2005, 12:31 AM   #8 (permalink)
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the old school Q45s had some type of variable valve something i think. they came out in 1990 i think
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Old 07-29-2005, 12:39 AM   #9 (permalink)
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Quote:
Originally Posted by jer_760
First of all vtec, vvl, and vvti are all different from each other. Also, you can not compare which one makes more power stock, because they have different compression ratios and some have better flowing heads etc. etc.
ok i understand that but wich one makes more power???
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Old 07-29-2005, 12:42 AM   #10 (permalink)
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Originally Posted by pitos_sr20
ok i understand that but wich one makes more power???
Read this again Sharpo.

Quote:
Originally Posted by jer_760
First of all vtec, vvl, and vvti are all different from each other. Also, you can not compare which one makes more power stock, because they have different compression ratios and some have better flowing heads etc. etc.
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Old 07-29-2005, 01:43 AM   #11 (permalink)
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well nissan does have the highest bhp out of a 1.6 isnt the n1 like 197???? ctr is 185 iirc. whats dumb is that nissan never brought over anything to compete *** vtec,
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Old 07-29-2005, 02:12 AM   #12 (permalink)
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re-read....then understood.
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Old 07-29-2005, 02:25 AM   #13 (permalink)
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plus its not all about power...torque, hondas missing link plays a very big role in how fast a car is. take for instance. when i baught my current ser 140hp/136tq, i raced my friends 92 gsr 160hp/111tq i spanked him by the time his 30 extra hp were able to start pullin up on me we were doin like 90. *** like when he draged his gsr he ran a 16.2 at 93 :O , slow time high mph, cause they dont lanuch hard off the line. like my friends bug. 12.6 at 95. see goobs of torque, not so much hp, like 175.....HorsePower isnt everything.......
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