A bit of TLC with Turtle Wax Black in a Flash

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Dorchester
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A bit of TLC with Turtle Wax Black in a Flash

#1 Post by Dorchester » Sun May 17, 2020 8:39 pm

Image

BTW a mate looks surprised my cabby has a metal inlet manifold: which were fitted with metal one and which with plastic one? :blink
I'm puzzled now... :S
Rover 214i cabriolet v16 1994 BRG & lightstone leather
Rover 25 1.4 Saws Tuning remapped 2002 platinum silver
Rover 75 V6 2.5 1999 Atlantic blue & sandstone beige leather

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Re: A bit of TLC with Turtle Wax Black in a Flash

#2 Post by itcaptainslow » Sun May 17, 2020 9:07 pm

That’s an early K-Series MPI inlet. Later cars (apart from the VVC and 135 engines fitted to the TF) had a plastic version.
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Re: A bit of TLC with Turtle Wax Black in a Flash

#3 Post by Dorchester » Sun May 17, 2020 9:38 pm

itcaptainslow wrote:
Sun May 17, 2020 9:07 pm
That’s an early K-Series MPI inlet. Later cars (apart from the VVC and 135 engines fitted to the TF) had a plastic version.
Early K-Serie?
My cabby was sold in Paris in August 1994!
I thought lots of former ones had been built from the end of 1992, hadn't they? :S
Rover 214i cabriolet v16 1994 BRG & lightstone leather
Rover 25 1.4 Saws Tuning remapped 2002 platinum silver
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Re: A bit of TLC with Turtle Wax Black in a Flash

#4 Post by crepello » Mon May 18, 2020 10:55 am

Read it as "early MPi" rather than "early K-Series".

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Re: A bit of TLC with Turtle Wax Black in a Flash

#5 Post by Dorchester » Mon May 18, 2020 11:00 am

crepello wrote:
Mon May 18, 2020 10:55 am
Read it as "early MPi" rather than "early K-Series".
Easier to understand then. However I thought MPI was the norm since the end of 1992 though... :mellow
Rover 214i cabriolet v16 1994 BRG & lightstone leather
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Re: A bit of TLC with Turtle Wax Black in a Flash

#6 Post by RoverRevival » Mon May 18, 2020 11:10 am

much neater to put the belt change details inside the belt cover rather than on show :blink
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Re: A bit of TLC with Turtle Wax Black in a Flash

#7 Post by Dorchester » Mon May 18, 2020 1:11 pm

1234dist wrote:
Mon May 18, 2020 11:10 am
much neater to put the belt change details inside the belt cover rather than on show :blink
I totally agree. But as it had been done before my good
skilled mechanic thought he was entitled to follow what we may call a 'tradition'... :rolleyes
Anyway I can reverse that 'ordeal' : cleanse it! :D
As you may guess date & km are indeed written in the cabby own special service book I'm keeping up-to-date with every single event. :angel
Rover 214i cabriolet v16 1994 BRG & lightstone leather
Rover 25 1.4 Saws Tuning remapped 2002 platinum silver
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Re: A bit of TLC with Turtle Wax Black in a Flash

#8 Post by Cromp85 » Mon May 18, 2020 2:30 pm

Dorchester wrote:
Sun May 17, 2020 8:39 pm
BTW a mate looks surprised my cabby has a metal inlet manifold: which were fitted with metal one and which with plastic one? :blink
I'm puzzled now... :S
Im not 100% sure but i think the plastic manifolds were introduced after the BMW takeover in 1994.
Also the alloy manifold has the same 56mm TB as the T16 engine (They look the same side by side)
My Rovers to date:
1994 Rover 220GSI in Tahiti blue (On the road)
2002 MG ZR 105 in Solar red (On loan)
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Re: A bit of TLC with Turtle Wax Black in a Flash

#9 Post by Dorchester » Mon May 18, 2020 6:06 pm

Cromp85 wrote:
Mon May 18, 2020 2:30 pm
I'm not 100% sure but i think the plastic manifolds were introduced after the BMW takeover in 1994.
Also the alloy manifold has the same 56mm TB as the T16 engine (They look the same side by side)
Thank you for that information.
What difference does make a 56mm metal IM compared to a 48mm plastic one (in my missus' daily 25)?
I assume it can add nothing but a bit more responsiveness or oomph... Am I wrong? :huh
Rover 214i cabriolet v16 1994 BRG & lightstone leather
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Re: A bit of TLC with Turtle Wax Black in a Flash

#10 Post by Cromp85 » Mon May 18, 2020 7:54 pm

Dorchester wrote:
Mon May 18, 2020 6:06 pm
Cromp85 wrote:
Mon May 18, 2020 2:30 pm
I'm not 100% sure but i think the plastic manifolds were introduced after the BMW takeover in 1994.
Also the alloy manifold has the same 56mm TB as the T16 engine (They look the same side by side)
Thank you for that information.
What difference does make a 56mm metal IM compared to a 48mm plastic one (in my missus' daily 25)?
I assume it can add nothing but a bit more responsiveness or oomph... Am I wrong? :huh
The 25 1.4 came in two power levels. The 84PS has a 48mm TB but is restricted by how far it opens. Apart from that one, all the other 1.4 K16 MPI engines are 103PS (Regardless of age) Obviously if you have an 8v engine or single point injection, the power will be less.
My Rovers to date:
1994 Rover 220GSI in Tahiti blue (On the road)
2002 MG ZR 105 in Solar red (On loan)
1995 214i (On SORN)

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Re: A bit of TLC with Turtle Wax Black in a Flash

#11 Post by Dorchester » Mon May 18, 2020 9:27 pm

Cromp85 wrote:
Mon May 18, 2020 7:54 pm
The 25 1.4 came in two power levels. The 84PS has a 48mm TB but is restricted by how far it opens. Apart from that one, all the other 1.4 K16 MPI engines are 103PS (Regardless of age) Obviously if you have an 8v engine or single point injection, the power will be less.
My 25 1.4 initially had 84PS. But unlike the RHD where you have to swap throttle body & cable (foolishly I bought them... to no avail! It is useless to buy RHD ones thinking they may fit on LHD cars!), on LHD it's so much easier: just cutting a bit of plastic and hey presto your 50% throttle opens fully and my 25 began a 103PS career! :D
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Re: A bit of TLC with Turtle Wax Black in a Flash

#12 Post by RoverRevival » Mon May 18, 2020 9:41 pm

It’s not quite as simple as break the tb and hey presto 20bhp...*laughs*

Yes it will breath better but won’t be running 103.
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Re: A bit of TLC with Turtle Wax Black in a Flash

#13 Post by Dorchester » Tue May 19, 2020 8:04 am

1234dist wrote:
Mon May 18, 2020 9:41 pm
It’s not quite as simple as break the tb and hey presto 20bhp...*laughs*

Yes it will breath better but won’t be running 103.
You are probably aware of things I don't know and I bet there are lots of them! :wink3
You told me I quote: 'The 84PS has a 48mm TB but is restricted by how far it opens. Apart from that one, all the other 1.4 K16 MPI engines are 103PS...'
But what's the difference then in terms of power between a MPI with a 50% restricted TB (84PS - initially my 25) and another MPI with a full opening TB (100% - my 214 cabby)? Is there anything else somewhere under the bonnet that makes any difference?
Moreover my 25 had been remapped on a spare ECU by Steve Abbott (SAWS tuning) adding more advance to make the engine more reactive and I tell you that there was a very sensible difference when I swap the ECUs, that was not a placebo, even if remapping so modest an engine (no diesel, no turbo) may look a bit silly. But he did it friendly, I'd just paid the spare ECU price & postage fees...
Thanks.
Rover 214i cabriolet v16 1994 BRG & lightstone leather
Rover 25 1.4 Saws Tuning remapped 2002 platinum silver
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Re: A bit of TLC with Turtle Wax Black in a Flash

#14 Post by Cromp85 » Tue May 19, 2020 5:05 pm

Dorchester wrote:
Tue May 19, 2020 8:04 am
1234dist wrote:
Mon May 18, 2020 9:41 pm
It’s not quite as simple as break the tb and hey presto 20bhp...*laughs*

Yes it will breath better but won’t be running 103.
You are probably aware of things I don't know and I bet there are lots of them! :wink3
You told me I quote: 'The 84PS has a 48mm TB but is restricted by how far it opens. Apart from that one, all the other 1.4 K16 MPI engines are 103PS...'
But what's the difference then in terms of power between a MPI with a 50% restricted TB (84PS - initially my 25) and another MPI with a full opening TB (100% - my 214 cabby)? Is there anything else somewhere under the bonnet that makes any difference?
Moreover my 25 had been remapped on a spare ECU by Steve Abbott (SAWS tuning) adding more advance to make the engine more reactive and I tell you that there was a very sensible difference when I swap the ECUs, that was not a placebo, even if remapping so modest an engine (no diesel, no turbo) may look a bit silly. But he did it friendly, I'd just paid the spare ECU price & postage fees...
Thanks.
I did some research, there are different ECU P/Ns for high and low peformance. I assume it was just a different ECU map.
If you use 84PS cable on a 103PS TB, there is too much slack so it still wont open fully.
My Rovers to date:
1994 Rover 220GSI in Tahiti blue (On the road)
2002 MG ZR 105 in Solar red (On loan)
1995 214i (On SORN)

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Re: A bit of TLC with Turtle Wax Black in a Flash

#15 Post by Dorchester » Tue May 19, 2020 9:22 pm

Cromp85 wrote:
Tue May 19, 2020 5:05 pm
I did some research, there are different ECU P/Ns for high and low peformance. I assume it was just a different ECU map.
If you use 84PS cable on a 103PS TB, there is too much slack so it still wont open fully.
Yes it does open fully, you've my word!
Wheel being located on opposite side from a RHD, my LHD cable hasn't at all the same length as a RHD. It's not the same.
I was myself amazed because I'd previously read all the posts regarding that swap and ordered RHD cable & TB which were absolutely useless in my LHD 25: they are still on the shelf!
Unlike the RHD conversion, it's as simple as that: cut the plastic bit end that prevents the full opening and job done!
Tested & verified. It does works. :)

Regarding the ECU, the spare one that Steve Abbott sent me remapped was coming from a 103PS 25 and it works a treat on mine.
Rover 214i cabriolet v16 1994 BRG & lightstone leather
Rover 25 1.4 Saws Tuning remapped 2002 platinum silver
Rover 75 V6 2.5 1999 Atlantic blue & sandstone beige leather

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