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Author: Subject: 3.0 v6 duratec tuning or up grading
B33fy

posted on 15/3/19 at 04:30 PM Reply With Quote
Jag 3.0 engine getrag box, prop and ancillaries for sale. £800 if anyone is interested. St220 baffled sump fitted.
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magpies

posted on 13/4/19 at 08:09 PM Reply With Quote
Making our own manifold and system. I have done the silencer 3"bore and twin 2"pipes to the back and Mike the garage owner is making the manifolds to the silencer

Can't see how to upload photos from the phone

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big_wasa

posted on 13/4/19 at 08:28 PM Reply With Quote
The photo upload on here hasnít worked for a while. Itís a case of uploading them to a third party. Imgur works fairly well but you have to reduce the size down first.

Iíve got a pair of very long primary 3 to 1 manifolds. I think the secondaries are 2.5Ē

If I get the wiring looms finished I will stick them on and grab a photo next weekend.

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magpies

posted on 13/4/19 at 10:39 PM Reply With Quote
Hi big-wasa
Checked out on reputable site for bhp vs exhaust size and opinion seems to be primaries 50bhp - 31mm dia. But 38 is the smallest available. Collectors 150bhp - 2" and up to 300bhp - 2.75" but can't get silencer at that so had to go 3". I'm hoping for close to 270/280 with no cats and not much silencing.

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magpies

posted on 13/4/19 at 10:41 PM Reply With Quote
Build thread on piston heads TVR S Series pae. Cosy sold and Jag bought.......
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big_wasa

posted on 14/4/19 at 12:19 PM Reply With Quote
I will have a look.
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40inches

posted on 14/4/19 at 12:54 PM Reply With Quote
quote:
Originally posted by magpies
Hi big-wasa
Checked out on reputable site for bhp vs exhaust size and opinion seems to be primaries 50bhp - 31mm dia. But 38 is the smallest available. Collectors 150bhp - 2" and up to 300bhp - 2.75" but can't get silencer at that so had to go 3". I'm hoping for close to 270/280 with no cats and not much silencing.


I fitted ST200 inlet and exhaust headers with 2" pipe front to back. That got me 272 bhp with 200 torques at 1800rpm
going up to 250 at 4000-5000rpm.
The power was still increasing at 7200rpm, we are going to do another power run at the end of the year with the rev limiter
increased to 7600rpm, just to see

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magpies

posted on 14/4/19 at 01:43 PM Reply With Quote
Plan A is to use an Alpha v6 32v inlet plenum if it will fit.
Plan B is to look at the ST range

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big_wasa

posted on 14/4/19 at 06:47 PM Reply With Quote
Does the st200 inlet mani have dual length runners controlled by an Inlet manifold runner control modual like the base model ?
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CosKev3

posted on 14/4/19 at 08:52 PM Reply With Quote
quote:
Originally posted by big_wasa
Does the st200 inlet mani have dual length runners controlled by an Inlet manifold runner control modual like the base model ?


Dual length runners yeah,and some sort of secondary butterflies in the lower inlet manifold.

The ST220 runs some flaps in the upper inlet manifold same as the jag.

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40inches

posted on 14/4/19 at 10:05 PM Reply With Quote
quote:
Originally posted by big_wasa
Does the st200 inlet mani have dual length runners controlled by an Inlet manifold runner control modual like the base model ?

As Kev says, yes. I cut them off and used the bottom half to make the spacer.
Valves on the left side of photo
Description
Description
Description
Description

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Oddified

posted on 15/4/19 at 07:59 PM Reply With Quote
quote:
Originally posted by CosKev3
quote:
Originally posted by big_wasa
Does the st200 inlet mani have dual length runners controlled by an Inlet manifold runner control modual like the base model ?


Dual length runners yeah,and some sort of secondary butterflies in the lower inlet manifold.

The ST220 runs some flaps in the upper inlet manifold same as the jag.


I don't think the ST220 has any flaps/dual length runners in the intake system where as the ST200 does though.

Ian

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RWD Focus

posted on 20/4/19 at 11:40 AM Reply With Quote
What spigot bearing are people using in the AJ30 engine when mated to a Mazda RX8 gearbox? Any sizes or part numbers please?






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CosKev3

posted on 20/4/19 at 12:07 PM Reply With Quote
quote:
Originally posted by RWD Focus
What spigot bearing are people using in the AJ30 engine when mated to a Mazda RX8 gearbox? Any sizes or part numbers please?


6202RS

https://rover.ebay.com/rover/0/0/0?mpre=https%3A%2F%2Fwww.ebay.co.uk%2Fulk%2Fitm%2F273157874323


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RWD Focus

posted on 20/4/19 at 12:09 PM Reply With Quote
Brilliant, thank you.






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big_wasa

posted on 20/4/19 at 12:11 PM Reply With Quote
quote:
Originally posted by Oddified
quote:
Originally posted by CosKev3
quote:
Originally posted by big_wasa
Does the st200 inlet mani have dual length runners controlled by an Inlet manifold runner control modual like the base model ?


Dual length runners yeah,and some sort of secondary butterflies in the lower inlet manifold.

The ST220 runs some flaps in the upper inlet manifold same as the jag.


I don't think the ST220 has any flaps/dual length runners in the intake system where as the ST200 does though.

Ian


No the st220 doesnít and I know the plain 24v does as itís a cheap source of Imrcís for St170ís
I was just curious of why go to all the effort modifying the St200.

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big_wasa

posted on 20/4/19 at 12:15 PM Reply With Quote
quote:
Originally posted by CosKev3
quote:
Originally posted by RWD Focus
What spigot bearing are people using in the AJ30 engine when mated to a Mazda RX8 gearbox? Any sizes or part numbers please?


6202RS

https://rover.ebay.com/rover/0/0/0?mpre=https%3A%2F%2Fwww.ebay.co.uk%2Fulk%2Fitm%2F273157874323




Learn something new every day. I was going to turn up a holder for the Zetec spigot bearing.

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CosKev3

posted on 20/4/19 at 01:38 PM Reply With Quote
quote:
Originally posted by big_wasa
quote:
Originally posted by Oddified
quote:
Originally posted by CosKev3
quote:
Originally posted by big_wasa
Does the st200 inlet mani have dual length runners controlled by an Inlet manifold runner control modual like the base model ?


Dual length runners yeah,and some sort of secondary butterflies in the lower inlet manifold.

The ST220 runs some flaps in the upper inlet manifold same as the jag.


I don't think the ST220 has any flaps/dual length runners in the intake system where as the ST200 does though.

Ian


No the st220 doesnít and I know the plain 24v does as itís a cheap source of Imrcís for St170ís
I was just curious of why go to all the effort modifying the St200.


ST200 one looks much better,and is the tightest to engine so you can mount engine higher.
Think ST220 would cause issues with bonnet,unless you sat engine on a angle.
ST220 lower inlet manifold does not fit onto a AJ30's heads,the injectors are in a different angle,and the ports are different size.
Not sure if a ST220 upper will bolt straight onto a AJ30 lower inlet manifold

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40inches

posted on 20/4/19 at 02:46 PM Reply With Quote
quote:
Originally posted by CosKev3
quote:
Originally posted by big_wasa
quote:
Originally posted by Oddified
quote:
Originally posted by CosKev3
quote:
Originally posted by big_wasa
Does the st200 inlet mani have dual length runners controlled by an Inlet manifold runner control modual like the base model ?


Dual length runners yeah,and some sort of secondary butterflies in the lower inlet manifold.

The ST220 runs some flaps in the upper inlet manifold same as the jag.


I don't think the ST220 has any flaps/dual length runners in the intake system where as the ST200 does though.

Ian


No the st220 doesnít and I know the plain 24v does as itís a cheap source of Imrcís for St170ís
I was just curious of why go to all the effort modifying the St200.


ST200 one looks much better,and is the tightest to engine so you can mount engine higher.
Think ST220 would cause issues with bonnet,unless you sat engine on a angle.
ST220 lower inlet manifold does not fit onto a AJ30's heads,the injectors are in a different angle,and the ports are different size.
Not sure if a ST220 upper will bolt straight onto a AJ30 lower inlet manifold


That about sums it up. The Jag upper is huge, it has two variable, large, stepper motor valves .
The ST220 fits straight on the Jag lower, but is still big and causes bonnet fit issues.
The ST200 looks better, and probably flows better, if my dyno results are anything to go by.
It is a faff to fit, but is worth it.

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big_wasa

posted on 20/4/19 at 04:02 PM Reply With Quote
That will be why the jag jenveys arnt a bolt on fit then

Any one looked into the cyclone engine parts

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RWD Focus

posted on 21/4/19 at 08:49 AM Reply With Quote
Is there a direct fit bolt on throttle body non fly by wire that will fit standard AJ30 inlet. I need one that is cable operated. ST220 one is different bolt pattern.
Thank you






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40inches

posted on 21/4/19 at 09:33 AM Reply With Quote
quote:
Originally posted by RWD Focus
Is there a direct fit bolt on throttle body non fly by wire that will fit standard AJ30 inlet. I need one that is cable operated. ST220 one is different bolt pattern.
Thank you

Can't you make an adaptor plate? Or fit the ST220 upper, it's a lot smaller than the AJ30 and doesn't have all the stepper motor crap.

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CosKev3

posted on 21/4/19 at 09:50 AM Reply With Quote
quote:
Originally posted by RWD Focus
Is there a direct fit bolt on throttle body non fly by wire that will fit standard AJ30 inlet. I need one that is cable operated. ST220 one is different bolt pattern.
Thank you


As above,or weld on some pieces of alloy to inlet to allow you to mount the ST220 TB

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RWD Focus

posted on 21/4/19 at 09:51 AM Reply With Quote
Had a quick look yesterday and st220 upper seems to foul on filler etc if you to mount it with throttle body to front which is how i would need it. Adapter plate is probably the answer and just fit ST220 throttle body.
Eventually it will be using twin intakes like the rocketeer uses but just wanted a quick fix to get it up and running for now.
Thank you






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CosKev3

posted on 21/4/19 at 09:51 AM Reply With Quote
quote:
Originally posted by big_wasa
That will be why the jag jenveys arnt a bolt on fit then

Any one looked into the cyclone engine parts


Quick Google and engine looks quite abit different to the AJ30?

If I'm looking at correct one,came out in 2006?

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