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Old 06-17-2013, 08:53 PM   #201
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OMG that thing is just amazing so much work and time and just everything looking so damn clean just amazing great work guys it is truly a thing of beauty
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Old 06-17-2013, 10:32 PM   #202
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so that's what a Zetec looks like with side-draughts!! Beautiful!

Only thing prettier would be a solo 175 cfm Stromberg with a chromed dashpot!

Now all you gotta do is cut an opening in the hood for those evil air horns to protrude thru! Or, if you're the type of person who insists on filters, cover it up with a cowl - you'll probably be the only vehicle on the road with an off-center one.

Was sync'ing them a chore?
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Old 06-18-2013, 01:35 AM   #203
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great job guys! my project is about 1 year behind yours. I have the engine and car...just no time, money or space. you did a stand up job. i'm very impressed with the quality.
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Old 06-18-2013, 07:38 AM   #204
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Quote:
Originally Posted by my_beautious_ZX3 View Post
so that's what a Zetec looks like with side-draughts!! Beautiful!

Only thing prettier would be a solo 175 cfm Stromberg with a chromed dashpot!

Now all you gotta do is cut an opening in the hood for those evil air horns to protrude thru! Or, if you're the type of person who insists on filters, cover it up with a cowl - you'll probably be the only vehicle on the road with an off-center one.

Was sync'ing them a chore?
Actually, when we first started conceiving this plan we were going to use a pair of SU's.

No need to cut a hole in the bonnet. There's plenty of room for a filter.

I haven't finished synching the carbs yet. I need to put the Uni-syn tool on it and get them adjusted, but they're real close as is. When I first assembled them I used a drill bit to set them all equally open and set all the idle bleeds to the same setting. Not far off as they sit now.

What I need to do is tinker with the ignition map and possibly add a damper to the vacuum feed line to the megajolt. It's a little jittery.

First thing, though, is a muffler! It's too loud to actually hear what's going on with the engine as I make adjustments.
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Old 07-05-2013, 08:19 AM   #205
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It's been a while since we've posted last. We were able to synchronize the carbs and tune the ignition map a bit. It starts up easily and seems to idle well at 1000rpm. The car pulls strong and it's an absolute blast to drive so far. We think we're running a tad bit lean so we need to open up the jets a bit or install a jet kit.

We got the tachometer working really well with one of these universal tachometer signal interfaces that my dad had in the garage. You must be a crazy car guy if you have stuff like this just lying around the garage waiting to be used.

http://www.dakotadigital.com/index.c...rod/prd127.htm

I'm going to try to take some photos and videos and upload them this weekend.
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Old 07-05-2013, 08:21 AM   #206
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I believe we might be starring on an episode of "Hoarders" in the future.......

We need to get the new exhaust on it with an O2 bung so that we can see what's happening with the AF ratios. Right now the only tools we have are spark plug readings, ears, and the trusty Butt-O-Meter dyno.
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Old 07-05-2013, 09:47 AM   #207
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Quote:
Originally Posted by Mustangsix View Post
The thermostat housing simply holds the thermostat and right now we have a 180F degree (about 80C) unit installed. I think the stock LT1 runs at 195-205 but that's irrelevant here.
It will run at whatever temp the thermostat is set for, regardless of the housing.

......
LT1 is a reverse coolant flow engine, revolutionary in it's day. Make sure the flow of coolant on your engine is correct and not serving to slam the LT1 thermostat shut when it tries to open. I recall problems of this sort on the old, oddball 2.6 and 2.8L Ford German V6 because the thermostat assembly was housed in the water pump in series with the lower hose.
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Old 07-05-2013, 10:00 AM   #208
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Originally Posted by 79mgb View Post
Thanks guys! You're correct, sailor. They're just the stock horns right now. That's the plan for the filter too.

I was thinking something similar to this (photoshopped Datsun filter).


They're plastic carb tops. Unfortunately we got some JB weld on them so I'm going to try to refinish them with something (or find cleaner ones on eBay).
I like the idea of an oval filter as opposed to four separate mini motorcycle filters. A single filter provides much more flow capacity for each cylinder because the total surface area is available for each induction pulse.
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Old 07-05-2013, 11:13 AM   #209
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Quote:
Originally Posted by Lscman View Post
LT1 is a reverse coolant flow engine, revolutionary in it's day. Make sure the flow of coolant on your engine is correct and not serving to slam the LT1 thermostat shut when it tries to open. I recall problems of this sort on the old, oddball 2.6 and 2.8L Ford German V6 because the thermostat assembly was housed in the water pump in series with the lower hose.
Don't get confused by the original application. We are only using the LT1 housing to hold a pretty generic thermostat. There isn't anything special about it. We did not convert to LT1 reverse cooling or even use an LT1 thermostat. The coolant flow is the same as it always was; simpler even, since we eliminated the Zetec bypass valve system. I was going to use a housing for a 200 Ford six cylinder, but this was the same shape/size and cheaper.

The thermostat is actually a British Waxstat brand that fits an MGB. So, engine warms up, coolant flows thru the thermostat and on to the radiator. Nothing LT1 about it.

We've had it up to operating temps, idled it for long periods of time in 90+ Florida heat, been flogging it around the neighborhood, and cooling is not going to be an issue. The aluminum Mustang radiator is way bigger than needed. Temps are steady, fan operates properly, and we're very happy with the cooling system performance.

Last edited by Mustangsix; 07-05-2013 at 01:24 PM.
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Old 07-24-2013, 04:59 PM   #210
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Awesome build guys, absolutely fantastic. If possible can you share more details of mating the bike carbs with the zetec.
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