A Good Chassis, and a Divisive Engine. The American M3.

A Good Chassis, and a Divisive Engine. The American M3.

Author
Discussion

Megaflow

9,458 posts

226 months

Monday 7th November 2016
quotequote all
Do you have any idea what failed first? Usually holes in the side of blocks means the big end has failed, but that looks more like a rod failure on the shank, or the piston.

AshBurrows

Original Poster:

2,552 posts

163 months

Tuesday 8th November 2016
quotequote all
Megaflow said:
Do you have any idea what failed first? Usually holes in the side of blocks means the big end has failed, but that looks more like a rod failure on the shank, or the piston.
I don't know to be honest. A gudgeon pin and half a rod ended up outside the engine. So I'd assume it was that?

Anyway I drank a beer and accidentally bought some wheels.



Legit TE37s. As far as street wheels go, I think I'd struggle to top these. Will refurb bronze or mag blue and reapply the stickers idk.

Krikkit

26,555 posts

182 months

Tuesday 8th November 2016
quotequote all
That's got to be one of the most comprehensive engine destructions I've seen! Nice work.

AshBurrows

Original Poster:

2,552 posts

163 months

Wednesday 9th November 2016
quotequote all
Krikkit said:
That's got to be one of the most comprehensive engine destructions I've seen! Nice work.
Yeah same. Hahaha. Oh well!

james_gt3rs

4,816 posts

192 months

Wednesday 9th November 2016
quotequote all
Great thread! Any idea on why the engine failed?

budgie smuggler

5,397 posts

160 months

Wednesday 9th November 2016
quotequote all
Krikkit said:
That's got to be one of the most comprehensive engine destructions I've seen! Nice work.
Yep, completely donald ducked. Well done OP! Looking forward to watching this one develop.

IdiotRace

131 posts

187 months

Wednesday 9th November 2016
quotequote all
james_gt3rs said:
Great thread! Any idea on why the engine failed?
He was trying to keep up with a 458 challenge! biggrin

I'm still impressed with the level of destruction, worst I've done was killed a bottom end after having an exhaust blade come off a turbo.

AshBurrows

Original Poster:

2,552 posts

163 months

Thursday 10th November 2016
quotequote all
It was fun!!!

Mocked up a dummy engine!
Sits very very very far back.
Am I technically mid engined now? Hehe.





Aaaaaaaaaaaa im so excited!!! biggrin

skyrover

12,682 posts

205 months

Friday 11th November 2016
quotequote all
Should help the weight distribution smile

LS motors are amazingly compact

IdiotRace

131 posts

187 months

Friday 11th November 2016
quotequote all
Looking good m8, does the subframe and steering rack move any when the new motor is installed? No changes to suspension/steering geometry?

MattHall91

1,268 posts

125 months

Friday 11th November 2016
quotequote all
Brilliant thread so far!

ATM

18,306 posts

220 months

Friday 11th November 2016
quotequote all
IdiotRace said:
Looking good m8, does the subframe and steering rack move any when the new motor is installed? No changes to suspension/steering geometry?
If I may chip in as I have a similar car already. The only change to mine was a custom steering rod from wheel to rack. This is to help navigate round the exhaust manifold which is all bespoke. LS steering pump is piped onto stock rack. Mine had all the abs and brake pipes moved also to make room. Then it's custom engine mounts, gearbox mount, prop, wiring and all hoses. My retains original rad but has no air con.

SebringMan

1,773 posts

187 months

Saturday 12th November 2016
quotequote all
While it is just the block in there it looks like the LS1 takes up less space than the S54!

Kudos to the engine destruction! I have to ask though ; which oil did you used to use in your M3? I know on mine changing the viscous coupling from the wrong part a German Swedish and French place supplied to a previous owner to a new one made the oil temps come down a good 10 degrees. On Track I don't recall mine going beyond 105ish.

The above is more of something for me to consider.

ATM

18,306 posts

220 months

Saturday 12th November 2016
quotequote all
SebringMan said:
While it is just the block in there it looks like the LS1 takes up less space than the S54!
Once all the gubbins are attached to the front it is quite tight. The standard LS1 pulleys are very chunky. I have very little room between them and the radiator fan. I can take some pics of mine.

AshBurrows

Original Poster:

2,552 posts

163 months

Monday 14th November 2016
quotequote all
IdiotRace said:
Looking good m8, does the subframe and steering rack move any when the new motor is installed? No changes to suspension/steering geometry?
Thanks gentle Brett. I don't believe so, no. But I will confirm next time I'm over there. No changes to geo, although I am tempted to speak to motorsport24 and get some of their porno GTR subframes and arms before I speak to the lovely lads at Intrax and set up the final damper spec. I really don't know when to stop biggrin

SebringMan said:
While it is just the block in there it looks like the LS1 takes up less space than the S54!

Kudos to the engine destruction! I have to ask though ; which oil did you used to use in your M3? I know on mine changing the viscous coupling from the wrong part a German Swedish and French place supplied to a previous owner to a new one made the oil temps come down a good 10 degrees. On Track I don't recall mine going beyond 105ish.

The above is more of something for me to consider.
The bulk of the weight does sit a lot further back. It's a lighter engine too. Gearbox is heavier than S54 box, but it's sat in the middle of the car so not too much hassle.

Haha thanks!

I ALWAYS used the recommended castrol edge 10w60 M car stuff! God knows. The blue crank makes me wonder if the previous owner ever had a re-manufactured crank put in.

AshBurrows

Original Poster:

2,552 posts

163 months

Tuesday 20th December 2016
quotequote all
There's not so much to update as coordinating parts from Texas and Florida to the UK as you approach Christmas while you're sat on a beach in Mauritius is not the easiest!

Manifolds are finished though! Here's a nice pic of Craig making em.







MARRY CHRISTMAS! biggrin

pidsy

8,013 posts

158 months

Tuesday 20th December 2016
quotequote all
not sure how i missed this thread at the beginning.

looking forward to the finished article. do you have a timeframe?

AshBurrows

Original Poster:

2,552 posts

163 months

Tuesday 20th December 2016
quotequote all
pidsy said:
not sure how i missed this thread at the beginning.

looking forward to the finished article. do you have a timeframe?
I reckon some time in Feb? Fingers crossed all the US bits arrive soon for the engine build and then cage, mapping and shakedown! biggrin

AshBurrows

Original Poster:

2,552 posts

163 months

Wednesday 4th January 2017
quotequote all
Motor is BUILT!



So that's a new insane cam, new race spec push rods, springs, retainers etc. Yay titanium! New baffled sump and all sealed up with ARP hardware. Exciting times!

Hoping to have engine in by the end of this week.

dom9

8,091 posts

210 months

Wednesday 4th January 2017
quotequote all
Awesome! What are you expecting on the dyno from that combination?