Author Topic: My LeMans IV restoration/engine build  (Read 61491 times)

canuck750

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Re: My LeMans IV restoration/engine build
« Reply #30 on: February 17, 2015, 06:41:11 PM »
Very impressive work!  :bow :bow :bow


Cheers

Jim

Offline pressureangle

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Re: My LeMans IV restoration/engine build
« Reply #31 on: February 18, 2015, 05:46:11 PM »
Going together. Here you see that I clearanced the cylinders for the tappet bushings. A better solution would have been to turn the bushing tops down to fit in the unmodified cylinders but they were in before I thought of it. Since the new tappet arrangement has no oil drainback, I cut the gasket out between the tappet bushings  and cylinder to make a path.





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Re: My LeMans IV restoration/engine build
« Reply #32 on: February 19, 2015, 12:13:49 PM »
I've relocated the voltage regulator to be as close as possible to the alternator, which can't hurt efficiency. That also puts it out in the breeze where it can stay cool better and saves some space under the side cover.



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Offline John A

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Re: My LeMans IV restoration/engine build
« Reply #33 on: February 20, 2015, 08:23:00 AM »
Make sure of clearance to tire/fender at full compression , sometimes it's surprisingly tight in that area. I have squashed some stuff so check it
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Re: My LeMans IV restoration/engine build
« Reply #33 on: February 20, 2015, 08:23:00 AM »

Offline pressureangle

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Re: My LeMans IV restoration/engine build
« Reply #34 on: February 20, 2015, 09:13:07 AM »
Make sure of clearance to tire/fender at full compression , sometimes it's surprisingly tight in that area. I have squashed some stuff so check it
Thanks! I will.
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Re: My LeMans IV restoration/engine build
« Reply #35 on: February 21, 2015, 06:59:56 PM »
Check everything!

Cam matches published figures +2* advanced which will probably correct with the cam chain breaking in.

Degree wheel is printed for the front of the engine...careful there.

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Re: My LeMans IV restoration/engine build
« Reply #36 on: February 24, 2015, 11:53:41 AM »
Soon.

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Offline pressureangle

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Re: My LeMans IV restoration/engine build
« Reply #37 on: February 27, 2015, 11:35:15 PM »
Engine, swingarm, rear frame bits, battery, etc.

Discovered with the length-adjustable WP shocks that the shock mounts are not at equal length apart; the left side is about 2mm longer. the swingarm is straight, the axle fits nicely with no looseness and slides right through the drive side perfectly. I'll chalk it up to production tolerance.

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Offline mwrenn

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Re: My LeMans IV restoration/engine build
« Reply #38 on: February 27, 2015, 11:47:00 PM »
Man, looking good!!  Bet you can't wait to fire her up!,

Offline kevdog3019

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Re: My LeMans IV restoration/engine build
« Reply #39 on: February 28, 2015, 02:07:17 PM »
Beautiful job.  Keeping it stock?  You know you could change your mind at this point and go to a different place.  ;D
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Offline Turin

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Re: My LeMans IV restoration/engine build
« Reply #40 on: February 28, 2015, 02:19:22 PM »
Got any pics of the heads after Ron Hamps work? did he remove a lot of material?
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1987 LeMans SE Dave's Cycle Racer
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Offline pressureangle

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Re: My LeMans IV restoration/engine build
« Reply #41 on: February 28, 2015, 08:16:34 PM »
Stock-appearing, just some serious upgrades in motor and suspension.

Rust now, Bitches!



« Last Edit: February 28, 2015, 08:17:55 PM by pressureangle »
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Offline pressureangle

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Re: My LeMans IV restoration/engine build
« Reply #42 on: February 28, 2015, 08:20:53 PM »
Got any pics of the heads after Ron Hamps work? did he remove a lot of material?

They're not finished. Material here, material there. Take some, add some. No pictures yet.

He did the heads for my 96" Shovelhead H-D what made 113hp with factory head castings.

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Offline Turin

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Re: My LeMans IV restoration/engine build
« Reply #43 on: February 28, 2015, 08:43:01 PM »
Cool beans.  I've got a spare set of Centauro heads that I want to have worked over and have had no idea of who to send them to. Looks like he may be the guy. thanks!
1997 Daytona RS
1991 Rennsport California III
1991 LeMans 1000
1987 LeMans SE Dave's Cycle Racer
1984 LeMans III
1985 Sidlow Guzzi
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1996 Triumph Daytona 1200
1996 Triumph Daytona 900
1982 Alfa Romeo GTV6 Balocco SE 3.0

Offline pressureangle

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Re: My LeMans IV restoration/engine build
« Reply #44 on: March 01, 2015, 09:26:15 AM »
Cool beans.  I've got a spare set of Centauro heads that I want to have worked over and have had no idea of who to send them to. Looks like he may be the guy. thanks!

He should be working in NASCAR or F1 but hates the city. He's been copied for production by a number of Factories, and beaten them and their best in every arena he's built engines for. If you have him do the heads and design the cam to go with it, you'll have something you aren't expecting. 4 valve heads have so much more to offer.
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Re: My LeMans IV restoration/engine build
« Reply #45 on: March 01, 2015, 06:50:54 PM »
Brakes, front wheel (backwards of course) and off the blocks. Foot controls on.

These gold Brembo calipers make a difference that can't be overstated. Thanks EPM for the adapters.



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Offline kevdog3019

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Re: My LeMans IV restoration/engine build
« Reply #46 on: March 01, 2015, 10:15:36 PM »
You are going to love those updated 2-pots up front!!  Had Ed put them on the Lario project and stunning difference. Nice.
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Offline pressureangle

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Re: My LeMans IV restoration/engine build
« Reply #47 on: March 04, 2015, 08:06:28 PM »
Bodywork and handlebar test fit. It would have been nice if Guzzi had given some space in the front of the tank to put the bars anywhere you wanted.

A set of Euro lamps would be nice.  :food



« Last Edit: March 16, 2015, 12:43:32 AM by pressureangle »
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Offline Turin

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Re: My LeMans IV restoration/engine build
« Reply #48 on: March 04, 2015, 08:21:25 PM »
Looking good!
1997 Daytona RS
1991 Rennsport California III
1991 LeMans 1000
1987 LeMans SE Dave's Cycle Racer
1984 LeMans III
1985 Sidlow Guzzi
1974 850-T Sport
1969 A-series Ambassador
1996 Triumph Daytona 1200
1996 Triumph Daytona 900
1982 Alfa Romeo GTV6 Balocco SE 3.0

Offline LeRoy

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Re: My LeMans IV restoration/engine build
« Reply #49 on: March 04, 2015, 09:43:27 PM »

Who has some decent turn signal lamps they'd part with? A set of Euro lamps would be nice.  :food


I doubt you'll find Euro signals. If you do, send the second set to me. In the meantime, I'll check my parts. I think I have a set of the U.S. rectangular signals and their triangular mounts. PM me for information.
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lawries

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Re: My LeMans IV restoration/engine build
« Reply #50 on: March 05, 2015, 01:05:50 AM »
You could try here for the euro indicators
http://www.gawa-guzzi.de/elektrical.html

Offline pressureangle

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Re: My LeMans IV restoration/engine build
« Reply #51 on: March 08, 2015, 05:56:00 PM »
Just pretty boring stuff to post, but I've found along the way certain tips that make life easier.

To get the ancient mung off the carb bodies and make them look new again, hot water and TSP (Tri Sodium Phosphate) heavy duty detergent at Home Depot, Lowes, etc.

For the brass innards, a ten minute soak in MEK (also Home Depot) for petroleum mung then a Vinegar/Salt solution bath to remove any corrosion or oxidized bits. They can stay in overnight or forever with no harm.



« Last Edit: March 08, 2015, 11:47:49 PM by pressureangle »
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Offline pressureangle

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Re: My LeMans IV restoration/engine build
« Reply #52 on: March 15, 2015, 05:03:26 PM »
It took forever to make myself happy with mounting the coils. Dyna coils don't fit under the tank, and I hated them under the side cover, with 3 feet of spark lead rubbing everything between them and the plugs.
This bracket is for a H-D Sportster, I just bent the under-tank hangar out to fit the battery box studs ( found longer studs with unthreaded centers too, the buggers kept trying to hide in the housing)
Should be nice and cool back there, with short wire runs and spark plug wires. Hopefully no interference with air cleaners.

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Offline pressureangle

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Re: My LeMans IV restoration/engine build
« Reply #53 on: March 16, 2015, 05:00:33 PM »
Spoiler alert

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Offline lazlokovacs

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Re: My LeMans IV restoration/engine build
« Reply #54 on: March 16, 2015, 05:12:37 PM »
It took forever to make myself happy with mounting the coils. Dyna coils don't fit under the tank, and I hated them under the side cover, with 3 feet of spark lead rubbing everything between them and the plugs.
This bracket is for a H-D Sportster, I just bent the under-tank hangar out to fit the battery box studs ( found longer studs with unthreaded centers too, the buggers kept trying to hide in the housing)
Should be nice and cool back there, with short wire runs and spark plug wires. Hopefully no interference with air cleaners.




that looks good!

got a part number or link for the bracket?

Offline pressureangle

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Re: My LeMans IV restoration/engine build
« Reply #55 on: March 16, 2015, 05:54:23 PM »

that looks good!

got a part number or link for the bracket?

uh...nope. It was an NOS ebay purchase...American Heritage the old listing says. Can't find it googling but I'll keep looking.

Basically it's a hexagonal piece drilled for the bracket and coils, with spacers for the coil legs. Each is 120* apart. Nice and sturdy too.
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Offline lazlokovacs

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Re: My LeMans IV restoration/engine build
« Reply #56 on: March 16, 2015, 06:32:41 PM »
thanks a lot, if you have any more info please do send it my way, google-ing "american heritage" and "harley davidson" is bringing up all kinds of leather fringing and studs and my lemans is not in the market for any of that!

your bike is looking like its going to be really special by the way, well done..

Offline Petrus Rocks

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Re: My LeMans IV restoration/engine build
« Reply #57 on: March 17, 2015, 08:00:58 AM »
Pressure Angle,
Would you be kind enough to post a picture from the rear to show the back of the frame brace/battery plate? I'd like to see how it fastens to the rear V of the frame.

Very nice work.  I like your attention to detail. 

Offline pressureangle

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Re: My LeMans IV restoration/engine build
« Reply #58 on: March 17, 2015, 09:37:44 AM »
The battery plate isn't unusual, GuzziTech makes them and they bolt in to the stock locations. Had I thought it through more in the beginning, I may have made some alterations to allow for more bracing, but I don't have the roads or opportunity to ride it hard so it wasn't a priority. Ed at Guzzitech can make your frame as braced and crazy as you want it.

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Offline Petrus Rocks

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Re: My LeMans IV restoration/engine build
« Reply #59 on: March 17, 2015, 02:30:20 PM »
I've seen Ed's braces- they look real nice.  i am making my own- time available, mill, materials.  I like to make stuff like that.  Just getting a clearer understanding what gets braced.
The picture is perfect!
Thanks  ;-T

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