SE5A V8 Upgrade and Restoration

If you have a long-term project and would like to share/document progress, this is for you.

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Scott
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SE5A V8 Upgrade and Restoration

Post by Scott » Wed Jun 07, 2017 1:05 pm

Hi all,

After almost 19 years of scimitar ownership the day has finally come for an upgrade.
I decided the old essex has had its day (especially as its a 2.5ltr, my Dad owned the car before me and bought the current engine from some bloke down the pub i think) and must be replaced.
I did have a fast road cam and stage two heads from JW on the essex but still it didn't cut it for me (incedently these are for sale!).

So i sourced myself a 4.0ltr HC V8 from a TVR complete with gearbox, this particular engine has been dyno'd and produced over 235bhp at the wheels! i am more than a little excited.

I will document the install and all upgrades here for any of you interested.

Regards,
Scott
Last edited by Scott on Fri Apr 27, 2018 1:05 pm, edited 3 times in total.



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Re: 4.0ltr Rover V8 Upgrade

Post by Scott » Wed Jun 07, 2017 1:19 pm

With the old engine and gearbox out the real work began.
Luckily for me my brother-in-law owns Aeromotive Sports & Performance garage in Birstall West Yorkshire and is doing a lot of the work for me.

Transmission tunnel cut and new engine mounts fitted (modified range rover ones) and bare engine is in already!

Not finally fitted but still very exciting!
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Transmission tunnel modified
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IMG_5793a.jpg (133.13 KiB) Viewed 3360 times



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Re: 4.0ltr Rover V8 Upgrade

Post by Roger Pennington » Wed Jun 07, 2017 1:23 pm

Hi Scott, welcome to the forum and good luck with the project, I look forward to hearing more. :D

This thread really deserves to be in the "Project Progress" section I think - I can move it for you :wink:


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Re: 4.0ltr Rover V8 Upgrade

Post by scimjim » Wed Jun 07, 2017 2:28 pm

welcome :-)

there's at least one TVR V8 powered Scimitar - John Mee's lovely GTC.


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Re: 4.0ltr Rover V8 Upgrade

Post by greeny » Wed Jun 07, 2017 2:37 pm

Welcome!!


Babe the GTC number 229 and and Smurfett the 1400 SST. Ness the vw t4 van/dayvan/camper
Previous 3.0v6 X type jaguar triumph acclaim scimitar SE4A 663 (ex Collin Watson coupe) 2x se5a's 2x SS1 1600s and a load.of other things I can't remember!!!
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Re: 4.0ltr Rover V8 Upgrade

Post by Scott » Wed Jun 07, 2017 3:56 pm

Thanks guys, Roger yes if you could move it there that would be great.



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Re: SE5A 4.0ltr Rover V8 Upgrade

Post by Tinker man » Wed Jun 07, 2017 4:03 pm

Looking good Scott. i too am doing a similar build with a less pokey V8.. 3.9 RR classic with Edelbrock/weber carb.

looks like you have got on well and will be ready long before me. i just have a shell and semi rolling chassis so far.

watching with interest, Ian.


If it is made of nuts and bolts I WILL take it apart..... going back together is a whole different ball game

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Re: 4.0ltr Rover V8 Upgrade

Post by philhoward » Wed Jun 07, 2017 7:53 pm

scimjim wrote:welcome :-)

there's at least one TVR V8 powered Scimitar - John Mee's lovely GTC.
Is Steve Jenkins' green 6a a Rover or TVR lump?


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Re: SE5A 4.0ltr Rover V8 Upgrade

Post by peter freeman » Wed Jun 07, 2017 8:14 pm

I fitted and ran a 6A with a Rover V8 for 20 years or so. All I did to the engine in that time was fit a new cam shaft and lifters - got them from RPI engineering - just about the most helpful people I have ever dealt with. Two fitting difficulties - getting a gear stick mechanism that comes up through the original hole - Rover XJS ( I think ) or LDV van and the exhaust manifolds had to be specially made - nothing "standard" out there that will do.



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Re: 4.0ltr Rover V8 Upgrade

Post by Roger Pennington » Thu Jun 08, 2017 12:36 am

Scott wrote:Thanks guys, Roger yes if you could move it there that would be great.
That's been done - you'll find there is still a "pointer" to it in non-technical, but the thread itself now resides in "Project Progress" :)


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Re: SE5A 4.0ltr Rover V8 Upgrade

Post by Scott » Thu Jun 08, 2017 2:37 pm

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So it's a bit of a squeeze for the exhasut manifolds

This meant cutting in footwells to give some more room.
Not a problem on the passenger side as who cares about passengers but for the driver i was worried about taking too much out and loosing my footrest.
I decided that i will throw out the steel bracket foot rest and simply re-glass a section in as a "built in" footrest. (will update how that turns out)
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Re: SE5A 4.0ltr Rover V8 Upgrade

Post by peter freeman » Thu Jun 08, 2017 3:21 pm

The rear drivers side plug is a pain to get as well - think about making the panel re-movable.



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Re: SE5A 4.0ltr Rover V8 Upgrade

Post by fightingtorque » Thu Jun 15, 2017 12:17 pm

Looks good.

I've covered the way I did my footwells in page 4 & 6 of my thread in case it is useful:

viewtopic.php?f=20&t=8388&start=45

viewtopic.php?f=20&t=8388&start=75

Gav



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Re: SE5A 4.0ltr Rover V8 Upgrade

Post by Scott » Wed Jun 21, 2017 1:05 pm

fightingtorque wrote:Looks good.

I've covered the way I did my footwells in page 4 & 6 of my thread in case it is useful:

viewtopic.php?f=20&t=8388&start=45

viewtopic.php?f=20&t=8388&start=75

Gav

Thanks Gav, looks a great conversion.
How well does that heat shielding work? I was going to use the flexible stuff from TVR Griffith and Chimera although i've just been to Le Mans in a Cerbera and fair to say it was more than a little warm!!!



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Re: SE5A 4.0ltr Rover V8 Upgrade

Post by fightingtorque » Thu Jun 22, 2017 11:47 am

It seemed to work well - I haven't driven the car much but what I did do included a track day and a couple of fairly long runs (goodwood and back in early september) and it was ok. I was originally going to wrap the exhaust manifolds but so far it hasn't seemed necessary and there is a consensus that it shortens the life of the manifolds.

The stuff is called "Numbus 2" and is actually made by Federal-Mogul for the OEM market but you can buy it from motorsport suppliers. It is very lightweight and because of the way it is crinkled, it can not only be bent easily but to some extent you can form a compound curve.

Gav



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