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Engine ID 06 Oct 2017 20:04 #1

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I finally located a engine seerial number for my 1976 Nisqually Command Bridge I recently got. It's a metal plate stamped with Glastron Boat Co Austin Tx and the number is 30V98040. Does anyone know where I can find out how to decode this number? Tried surfing the web but no luck. Any help would be appreciated.

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1976 Nisqually Command Bridge (finally located the HIN!)
1978 Delta LX-680
1974 Eldocraft El Diablo III-really my son's but I put it together for him and use it more than him:)

Engine ID 06 Oct 2017 20:31 #2

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Glastron Boat Company?!

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Matt Train
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Chicagoland, IL

Engine ID 06 Oct 2017 23:55 #3

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Yeah that's what is printed on it. It's located on the top of the block right behind the intake manifold. A little 2 1/2 - 3 inch thin metal plate. The outdrive is a Glastron also. Forgot to mention, it's a Ford motor.

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1976 Nisqually Command Bridge (finally located the HIN!)
1978 Delta LX-680
1974 Eldocraft El Diablo III-really my son's but I put it together for him and use it more than him:)
Last Edit: by Jip.

Engine ID 07 Oct 2017 01:16 #4

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Can't help but wonder if that might be a used replacement engine and outdrive from an old Glastron. Picture of the motor and outdrive might help solve the mystery.

Greg
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Newport, Oregon
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Past work history: Prototyping, tooling, and repair for Reinell,. General fiberglass boat repair starting in 1976.
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Engine ID 07 Oct 2017 01:32 #5

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I'll take some this weekend and post. appreciate your input.

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1976 Nisqually Command Bridge (finally located the HIN!)
1978 Delta LX-680
1974 Eldocraft El Diablo III-really my son's but I put it together for him and use it more than him:)

Engine ID 07 Oct 2017 04:26 #6

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Mr. Darcy wrote: Can't help but wonder if that might be a used replacement engine and outdrive from an old Glastron. Picture of the motor and outdrive might help solve the mystery.

Greg


Was thinking the same thing.
OP if your sure it's a ford engine you can find out what it is using the casting numbers on the block/ heads etc.
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Dave
Edmonds, WA
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Engine ID 08 Oct 2017 15:05 #7

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To the best of my knowledge, Glastron did not produce a SDN F/B boat.
A 1976 Nisqually Command Bridge would have been a Brunswick boat..... i.e, Bayliner!

Glastron did use their name on a limited production of Volvo Penta stern drives..... similar to Eaton and Chrysler in the earlier days.
Glastron was also known for their use of the 335 series Ford Windsor Engines (289, 302 and 351 cu in).

Pictures would be very helpful!


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Rick E. Portland, Oregon
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Engine ID 10 Oct 2017 13:11 #8

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Ok, here are some pics of the motor and the ID plate

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1976 Nisqually Command Bridge (finally located the HIN!)
1978 Delta LX-680
1974 Eldocraft El Diablo III-really my son's but I put it together for him and use it more than him:)

Engine ID 10 Oct 2017 13:43 #9

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Yup, someone repowered your boat with an engine and drive out of a Glastron.

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Matt Train
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Chicagoland, IL

Engine ID 10 Oct 2017 14:20 #10

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So my next question is are these adequate motors or junk?

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1976 Nisqually Command Bridge (finally located the HIN!)
1978 Delta LX-680
1974 Eldocraft El Diablo III-really my son's but I put it together for him and use it more than him:)

Engine ID 10 Oct 2017 16:49 #11

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What you have is a Ford Engine, and I will suggest that the narrow intake manifold says that it is likely a 302 cu in engine.

This series Ford Engine has exhaust flow issues (small cylinder head exhaust ports), so most likely this boat will be under-powered!

I am also seeing what looks like Barr universal exhaust manifolds and 3" elbows that do not allow for low rpm exhaust relief with the early 280 drive.



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Rick E. Portland, Oregon
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Twin 270 HP 5.7's w/ Closed Cooling
Volvo Penta DuoProp Drives
Kohler 4 CZ Gen Set

Engine ID 10 Oct 2017 17:01 #12

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2850Bounty wrote: What you have is a Ford Engine, and I will suggest that the narrow intake manifold says that it is likely a 302 cu in engine.

This series Ford Engine has exhaust flow issues (small cylinder head exhaust ports), so most likely this boat will be under-powered!

I am also seeing what looks like Barr universal exhaust manifolds and 3" elbows that do not allow for low rpm exhaust relief with the early 280 drive.



.


Wow, Rick! I would thoroughly enjoy spending an hour in your brain just to see where all this knowledge is stored, ...not that I would understand most of it. Amazing, and impressive!

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"B on D C", is a 1989 2459 Trophy Offshore HT, OMC 5.7L, Cobra OD, Yamaha 15hp kicker. Lots of toys! I'm no mechanic, just a blue water sailer and woodworker who loves deep sea fishing.
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Engine ID 10 Oct 2017 22:02 #13

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I don't know anything about the OPs boat but I had a 1979 Sea Ray 22' cuddy that weighed 3600# dry with a mercruiser 888 (Ford 302 backed by a type 1 drive) and could water ski with no issues. The 888 only had a 2 bbl carb. Wasn't the greatest pulling a skier up but good enough.

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1997 Maxum 2400 SCR 5.7LX Bravo II

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Engine ID 11 Oct 2017 03:09 #14

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Jip wrote: So my next question is are these adequate motors or junk?

Im not a ford guy nor do have any experience with a VP drive but with what you have, the small block ford 302 is a great little engine, probably won't pop out of the water super fast or set any speed records but definatly not junk IMO. There's allways going to be a bigger better engine and drive combo........

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Dave
Edmonds, WA
"THE FIX"
'93 2556 5.7 Bravo II 2.0:1 18 1/4x19 P
.030 over-Vortec top end-part closed cooled
***The rebuild of my 2556***
www.baylinerownersclub.org/index.php/for...ansom-repair-my-2556

Engine ID 11 Oct 2017 14:12 #15

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The OP's boat is a 1976 Nisqually Command Bridge......... I.E., a much heavier SDN F/B boat ( SDN F//B = Sedan Flybridge).
This is why I suggested that with the s/p drive and a small 302 Ford Engine, it will most like be under-powered.

The easiest solution would be to install a Duo Prop lower unit.

I once owned a 24 foot Fiberform Baja SDN F/B with a 5.0L SBC and Duo Prop.
The hole shot was excellent..... and it could top out at near 40 MPH!
It was a Dog with the s/p drive.



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Rick E. Portland, Oregon
2850 Bounty Sedan Flybridge model
Twin 270 HP 5.7's w/ Closed Cooling
Volvo Penta DuoProp Drives
Kohler 4 CZ Gen Set
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