A potential convert

Discussion about MX5s, Roadsters & Miatas, not directly fitting into one of the categories below. Please keep it on topic.

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evel
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Post by evel » Wed Jun 27, 2012 9:36 pm

Kieran wrote:cause mazda dont make a v8
dont need to, rotary
'94 S-Special 1800 in BLACK
Flares and 225/45 Semi Slicks.

Mr. Shine
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Post by Mr. Shine » Thu Jun 28, 2012 11:12 am

evel wrote:dont need to, rotary
Unless you want (despite the added cost of fitting the V8!) reliability :P

Furai
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Post by Furai » Thu Jun 28, 2012 3:14 pm

Mr. Shine wrote:
evel wrote:dont need to, rotary
Unless you want (despite the added cost of fitting the V8!) reliability :P
Hey now Rotary engines are reliable and efficient. Thats how they won Lem Mans after all. But they are only reliable and efficient at full throttle, so just drive everywhere flat out. :lol:

evel
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Post by evel » Thu Jun 28, 2012 7:09 pm

Image
'94 S-Special 1800 in BLACK
Flares and 225/45 Semi Slicks.

Bwarp
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Post by Bwarp » Mon Jul 02, 2012 7:42 pm

Kieran wrote: The 2001-2005 Miata engine is VVT so same thing
Doesnt the VVT in a Mazda engine only adjust timing?

VTEC adjusts valve lift and timing as far as im aware.

Fairly different styz.
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Bwarp
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Post by Bwarp » Mon Jul 02, 2012 7:43 pm

Also - welcome along Jarred.

I was at last NZH NIMM in Taupo. Would i have met you there? I'm sure I did.
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Snapfrozen
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Post by Snapfrozen » Mon Jul 02, 2012 8:06 pm

Honestly can't remember! Here's the car finally!

Image
IMG_0927 by Jarred McLachlan, on Flickr

Image
IMG_0662 by Jarred McLachlan, on Flickr

Kieran
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Post by Kieran » Tue Jul 03, 2012 10:29 am

Bwarp wrote:
Kieran wrote: The 2001-2005 Miata engine is VVT so same thing
Doesnt the VVT in a Mazda engine only adjust timing?

VTEC adjusts valve lift and timing as far as im aware.

Fairly different styz.
Its a seperate cam profile and exactly the same there are some slight variances between manufacturers
The Major difference between honda VTEC and every other car manufacturers VVTi is that Honda made the first production model with it

Euen
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Post by Euen » Tue Jul 03, 2012 10:52 am

The Mazda VVT on the BP only adjusts the timing of the inlet cam. There is no change to lift or duration.
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Kieran
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Post by Kieran » Tue Jul 03, 2012 10:54 am

really i was under the understanding that it is a seperate cam lobe?

Just did a little research my mistake but still I would prefer that over VTEC

Snapfrozen
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Post by Snapfrozen » Tue Jul 03, 2012 11:18 am

Love VTEC. Not many 1.6L cars can make 140wkw with barely any headwork

Kieran
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Post by Kieran » Tue Jul 03, 2012 11:22 am

Yeah I respect that but still...

My mate has an civic hatch same as the one above 1.5L SOHC with a SC14 Supercharger he blew his engine on the dyno at 6PSI haha

Snapfrozen
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Post by Snapfrozen » Tue Jul 03, 2012 2:26 pm

Kieran wrote:Yeah I respect that but still...

My mate has an civic hatch same as the one above 1.5L SOHC with a SC14 Supercharger he blew his engine on the dyno at 6PSI haha
The D series SOHC engines are VERY hard to kill, musta been awfully unhealthy. Other thing that might killed it is that Honda engines spin the opposite way to most supercharges so did he factor that in?

Kieran
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Post by Kieran » Tue Jul 03, 2012 2:35 pm

yeah hes a mechanic so i trust it was healthy and he did factor that in cause its running fine on the new engine now just bad luck on the last one I think cause it threw a rod and pieces went flying all over the workshop it was quite funny actually

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