3.4L project

there is some debate whether to use Threebond 1211 which is essentially the same thing but takes a couple days to 'set up'. To each his own IMO.

 

engine mated to block yesterday evening.
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I can't remember who it was that mentioned the factory uses threebond 1194 for some things like this...... it was someone though. I don't know if there is any truth behind it but yes it is a huge PIA to dissassemble later but this stuff doesn't leak and I personally believes it allows for more margin of error which helps with the naturally occuring not-exactly-perfect geometry of the Ferrari mating surfaces. I know Porsche guys stopped using it to join their case halves together for that reason. I know it's still used by several motorcycle companies at their respective factories. Both are still great it's just one man's voodoo right.


Regarding 'worms'. RTV products will yield worms but Threebond absolutely does not as it is not an RTV nor a silicon based material, but rather it's an elastic type material once dried and applies as a viscous sticky liquid that is very difficult to remove from your skin once it's there (wear gloves!). But the stuff absolutely does not budge from the surface no matter the chemical once dried to its elastic state as opposed to RTV stuff which can easily be picked off with a finger.

 

Last night I put the #1 piston at TDC to check if the stock 308 flywheel marks would still apply with the 360 crank. Lo and behold they match meaning I can still check the initial and total timing using the stock 308 flywheel marks. I was fully expecting the 360 crank index hole to be mounted differently thus making the 308 flywheel marks null and void. This build gets better and better. I will snap a pic of this once other parts are in place.



Also, any recommendation regarding cam cover finish? I had wrinkle paint black last time. I guess I like that..... the only other choice is red isn't it... hmm.

 

Indeed it is. I think it was '90 that the mondial went to the 'T' designation with the 3.4L?

 

Oh fantastic! Grats to you. Document it here and build it here!

 

Now there's an idea. Thanks Dave. Definitely going into the consideration pile.

 

Flywheel and sandwich plate (aka Africa plate) bolted up this afternoon. I also found and made note of exact TDC which even on the 360 crank is exactly the same marking on the flywheel as it is with the stock 308 crank. The flywheel mark showing PM1-4 is off of exact TDC by 1 degree ATDC on both crankshafts. I am sort of amazed by this as it shows Ferrari's machining equipment for drilling crankshaft holes probably never changed. Anyway, there it is, 360 crank mated to a stock 308 flywheel. Don't let anyone tell you it cannot be done because here it is. No modifications required.
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cams are all dialed in. I set the intakes at 104LC and exhaust at 108LC. This closes the intake valve a little earlier which these engines really like for some reason. More pics coming soon, but she's almost done from this end. Just need to button down the cam covers, intake manifolds, and install the bell housing.
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Here we go. Floor to installed and bolted to the chassis in under an hour, solo. It's definitely one of those things where when you have done it a couple times it's incredibly (but cautiously) easy. I have since bolted up the manifolds and a few other things. SHould be fired up soon.
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^ that

you left out scratching yourself when wondering why the 1-4 bank exhaust manifold won't quite go in regardless of what direction you position it.

 

Checked a few things off the list last night. Sort of sad that this is almost over as I've really enjoyed every bit of this project.

to recap what has been modified/changed:
79mm stroke 360 crankshaft
83mm bore
10.5:1 JE pistons with low drag rings and gapless top rings. 60 grams lighter each piston
Cat Cams fast road camshafts with 10.75mm intake lift and 248 dur @ .050
stiffer valve springs from Performance Valve springs Australia
44mm nailhead style backcut intake valves (2mm larger than stock)
new larger ID and OD valve seats
new exhaust valves
ported intakes and bowl work porting - flow bench tested
new clutch
new high torque starter
new water pump
36-1 trigger wheel on damper for electronic controlled map-able ignition
port matched intake manifold
new custom designed crossflow aluminum radiator
all new coolant hoses

I'm sure I'm missing some things.... why didn't I just pull the entire car apart while I was at it. Ah well, she will be ready for spring fun.

 

This was measured off of cylinder #1 with spark plugs in the 5-8 bank but not in 2,3,4. Also, the battery is not quite 100%. 185psi with these monster cams with great leak ain't too shabby. This will run nice.
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Thanks Russ. BP6ES it is then for now.