Duratec 2.0 or 2.5 ?

Author
Discussion

aidey2000

Original Poster:

25 posts

79 months

Tuesday 30th May 2017
quotequote all
Chaps,

My 2.0 Duratec has lost compression .....

I'm on tbs', special exhaust, etc .....

Any thoughts as the engines coming out, are there any real advantages replacing it with the 2.5 ?
Or any Gotcha's that will cost extra ££££

Cheers



ugg10

681 posts

150 months

Tuesday 30th May 2017
quotequote all
IIRC the 2.5 is about 1" taller than the 2.0l so if bonnet clearance is tight this may be an issue. There is also a 2.3 to consider.

aidey2000

Original Poster:

25 posts

79 months

Tuesday 30th May 2017
quotequote all
thanks for the reply ... yep that's enough to stop me ....

crate 2.0 engine it is then wink

Mr MXT

6,983 posts

216 months

Tuesday 30th May 2017
quotequote all
If you're on WSCC, ive got a thread running as Im currently going through a similar thing.

Crate engine seems a little overkill? Do you know why its down on compression?

I decided "better the devil you know" and had mine sorted for <£750 including new cams. Happy to take a PM on WSCC if you want to discuss (RussH)


PaulKemp

826 posts

78 months

Wednesday 31st May 2017
quotequote all
If your going to skip your dead Duratec I'd be interested as I have several kit car projects and time to work on an engine
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JontyR

1,707 posts

100 months

Thursday 1st June 2017
quotequote all
Thought about the MZR engine? Mazda's version of the Duratec, comes with forged pistons, rods and crankshaft too. I'm installing one in my car at the moment.


Baron von Teuchter

14,977 posts

135 months

Tuesday 5th June
quotequote all
JontyR said:
Thought about the MZR engine? Mazda's version of the Duratec, comes with forged pistons, rods and crankshaft too. I'm installing one in my car at the moment.

Bit of a thread resurrection, sorry 'bout that. Is that the 2.0 from the mx5? I didn't know they had forged rods and pistons as oem?!

annodomini2

5,647 posts

184 months

Tuesday 5th June
quotequote all
Baron von Teuchter said:
JontyR said:
Thought about the MZR engine? Mazda's version of the Duratec, comes with forged pistons, rods and crankshaft too. I'm installing one in my car at the moment.

Bit of a thread resurrection, sorry 'bout that. Is that the 2.0 from the mx5? I didn't know they had forged rods and pistons as oem?!
Probably the Mazda 6 engine

Munter

28,126 posts

174 months

Tuesday 5th June
quotequote all
Baron von Teuchter said:
Bit of a thread resurrection, sorry 'bout that. Is that the 2.0 from the mx5? I didn't know they had forged rods and pistons as oem?!
Post the 2009 face lift on the MX5 they switched a few bits about and gave it a higher redline (by 500rpm). The suggestion was at the time they had switched to forged rods then. I presume the post 2009 2.0 engine must be a bit stronger because BBR will take it to higher power with their turbo kits etc.

(Early engines fitted with an early release of the cosworth supercharger bent a few rods, before it was pulled. Poor mapping, or soft rods, or both?)

Baron von Teuchter

14,977 posts

135 months

Friday 6th July
quotequote all
Anyone know if the 2.0 with all ancillaries and manifolds from an mx5 fit a standard mk2 escort bay? Seems a reasonably easy way to get a duratec and 6 spd box into an escort...