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> /4 distributor gear available new??
Mueller
post Feb 4 2004, 02:22 PM
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After talking to Brad and Jake, I think I'll be passing on converting my /4 to crankfire and just go with the crankdriven distributor instead.

A brand new billet Mallory unit would be ideal, but for now, a stock 1.8 will have to make due.

I'm running Megasquirt FI, so I don't need the FI trigger points and I thought I read that the 1.8 distributor had a better advance curve(yes, no, maybe???)

To get a little more precision, I thought a new drive gear would be nice.
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otto
post Feb 4 2004, 03:11 PM
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We have them they are $15. Steve

http://www6.instantestore.net/merchant5605...porsche_914.cfm
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Dave_Darling
post Feb 4 2004, 04:35 PM
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The 1.8 distributor offers a better advance curve for most Type IV applications than a 1.7 or 2.0 one, yes.

--DD
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swood
post Feb 4 2004, 05:37 PM
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The 1.8's all are vacuum advance too right?
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mightyohm
post Feb 4 2004, 05:54 PM
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what's wrong with crankfire?
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Mueller
post Feb 5 2004, 03:17 PM
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QUOTE
what's wrong with crankfire?


Nothing really, I've already sent my engine parts to Raby for balancing, and I won't have time to figure out and correctly mount the 36-1 wheel before he balances the parts..........
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Jake Raby
post Feb 6 2004, 12:07 AM
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I can balance your mass and then balance the accessory later. The nice thing about my machine is that it can load your old specs and I can match your new part on a mandrel just like if I had your assembly!

So when I balance someones stuff , and they grenade a part I can easily match the part.

As for the distributor drive, NEVER USE A NEW BRASS GEAR... I have seen atleast 50 fail by stripping completely away..

As for crankfire- Only one system has worked well for me and thats electromotive... I use them alot. I also make the trigger mount for them.
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F4i
post Feb 6 2004, 12:53 AM
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AAAAAHHHHH!! I just bought and installed a NEW brass gear. It was made in Brazil by aplic. Is it going to melt or what? Also how many what size and where of my "frost" plugs should I replace. I am sorry if this one has been gone over before. I am slow so type slow and post pics please (IMG:style_emoticons/default/laugh.gif)
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Mark Henry
post Feb 6 2004, 01:12 AM
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QUOTE(F4i @ Feb 5 2004, 10:53 PM)
AAAAAHHHHH!! I just bought and installed a NEW brass gear. It was made in Brazil by aplic. Is it going to melt or what? Also how many what size and where of my "frost" plugs should I replace. I am sorry if this one has been gone over before. I am slow so type slow and post pics please (IMG:style_emoticons/default/laugh.gif)

This brass gear hasn't reared it's ugly head here yet, I've never had a problem with a good used gear.

At least the three oil galley plugs at the flywheel should be pulled, tapped, cleaned and plugged.
I replace almost all of the oil galley plugs.
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F4i
post Feb 6 2004, 01:15 AM
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I bought the gear here in Calgary at a local shop. No good used ones to be found. What's funny is I did this today.
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DNHunt
post Feb 6 2004, 08:08 AM
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Mueller

Here's the 36 tooth wheel I'm working on. It's the Ford Escort (EDIS) 35-1 wheel pulled off the ford pulley. I then machined a recess into the back side of the pulley and fit a disk of chrome molly, drilled and tapped the disk and wheel and attached the disk to the wheel. The disk is drilled to fit onto the fan hub. I mounted the VR sensor to the inside of the cooling shroud under the oil cooler.

I decided to wait for UMS so I only have change things once.

Dave


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F4i
post Feb 6 2004, 10:14 AM
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Sorry to steal the thread. Could Jake or some of the other engine builders chime in on the gear I bought? Am I going to have big probs?
BTW this is where it came from looks like they do cams as well.gear website
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Mark Henry
post Feb 6 2004, 10:25 AM
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Dylan, like I said I haven't seen one yet, but Jake said they're crap so I'd rather be safe than sorry, yank it.

If you can't find a good used one send me a PM and I'll find one for ya bud.
Mark
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F4i
post Feb 6 2004, 10:28 AM
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Thanks, I may have to take you up on that. I will look some more here. I will ask the shop I got it from if they have any "in the field". This shop is reputable I know the owner.
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Mueller
post Feb 6 2004, 11:27 AM
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QUOTE
NEVER USE A NEW BRASS GEAR...


so what if I put in a brand new Mallory billet distributor, being new, it would have a new gear as well???

Should I worry or install a new gear on the crank at the same time??
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Jake Raby
post Feb 6 2004, 11:57 AM
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I use 40 year old gears all the time.. I had 5 failures of the new gears and threw the entire stock away- Junk. Way too soft!
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F4i
post Feb 6 2004, 12:09 PM
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Jake / Mark what are you guys using for case sealant? 574 k2 h3? Jake do you remember if the gears you had were from the guys I mentioned? Thanks
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Downunderman
post Feb 6 2004, 01:04 PM
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Mike,

I assume that with the megasquirt you can map the ignition curve. Why not use one of the jap 4 cyl distributors which has already chopper wheel and hall sensor in it.

Have done the rear bearings, front this morning.
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fiid
post Feb 6 2004, 02:34 PM
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Mueller - for the type IV motor you can use MegaSquirt-n-spark - for which you only need a pulse from the dizzy per firing, and the actual spark distribution.

I will be doing the MS-n-EDIS shortly - Dave's trigger wheel looks great, if you replicate that you could do a nice dizzyless setup. I'd love to see a T4 with that on it.
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