Side exhaust
12-22-2014 | 01:19 PM
#91
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From: Poole, UK
From what I understand Keikhaefer offered "build kits" to a few. That's why I found the rods I did in the mid-west that have never been used. I've also seen a few parts with the name ground off. I figure these were parts for racers that were not under the Keikhaefer banner and maybe shouldn't be using the competitions parts but when you need the best at the time you take their parts, alter them (by grinding the name off) and call them your own. .
12-22-2014 | 10:48 PM
#92
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From: Daytona Bch., Fl.
Here is a story were side exhaust would have been nice. At the Stroh's Ceder Point race Bob & Davey Gillmore were racing Diamond Don's newly acquired REALLY RIDICULOUS Bertram. The night before the race while backing up the Bertram Davey hydraulic one of the engines. Bob was elected to pull the plugs & flush the engine out. Bob was not happy as his buddy Dave left him in the bilge and went to the local tavern. Bob said if the Bertram had side exhaust this would not have happened. They raced the next day only to have the PVC plumbing that was used in some the rigging to break & fill the bilge up.
BTW to all of you adding to this thread,thank you! I love reading about this history from you that were actually there.this is all great stuff,especially to those of us in the younger generation of building and racing offshore boats.
12-22-2014 | 11:45 PM
#93
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From: Rocky Mountain-High
Stan was a CAC, but his rating was a parachute rigger---after Midway he returned to the States and was assigned to a detail that designed and tested parachutes and survival gear--I think he set a record for the number of night-time over water jumps---
01-17-2015 | 06:13 AM
#95
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From: Madison Ohio
I UNDERSTAND THERE WERE A NUMBER OF OFF SHORE BOATS N THE 60's70's THAT RAN WITH SIDE EXHAUST:
1. What was the advantage of side over rear exhaust ?
2.Who was the principal manufacture ?
3.I understand they were considerable louder than rear exhaust.
4.What were some of the boats that raced with them
5.Dd they give the boat any advantage ?
Any other feed back would be helpful...Bud
1. What was the advantage of side over rear exhaust ?
2.Who was the principal manufacture ?
3.I understand they were considerable louder than rear exhaust.
4.What were some of the boats that raced with them
5.Dd they give the boat any advantage ?
Any other feed back would be helpful...Bud
If anyone is looking for a pair of vintage BBC side exhaust racing headers off a 38 Bertram I can help. Email me
Last edited by legend; 01-17-2015 at 06:15 AM. Reason: add to discription
09-28-2015 | 06:58 AM
#96
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From: Spain
Christian the photo of the engine bay is mine - the Cigarette 36 Thunder indeed, of Bill Elswick I think it was. Taken at Cowes. Angelo Meli was with the team also I recall.
09-28-2015 | 08:53 AM
#97
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Posts: 136
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From: Severna Park, MD
Bud,
The side exhausts may have been used in an effort to gain a bit of horsepower. Smokey Yunick was one of the innovators in NASCAR running the exhaust pipes out the side just in front of the rear wheels. He discovered there was an area of low pressure just in front of the rear wheel but also the air moving past the ends of the pipes would scavenge the exhaust from them. This would help make a few more horsepower. I don't know if that relatively small amount of horsepower gain in a boat would make any difference. Boats usually require LOTS more horsepower for a few miles per hour.
The side exhausts may have been used in an effort to gain a bit of horsepower. Smokey Yunick was one of the innovators in NASCAR running the exhaust pipes out the side just in front of the rear wheels. He discovered there was an area of low pressure just in front of the rear wheel but also the air moving past the ends of the pipes would scavenge the exhaust from them. This would help make a few more horsepower. I don't know if that relatively small amount of horsepower gain in a boat would make any difference. Boats usually require LOTS more horsepower for a few miles per hour.
10-05-2015 | 12:03 PM
#99
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From: Rocky Mountain-High
Hey Sb, It’s a tall block and the intake must have been made for Mr K because it’s got a GM number that don’t come up in any books, 3963647. A guy has one on eBay from England which got me thinking about where the motors are that were in Rats boat. Like you said they are a bit rare but not impossible to find but the one on eBay also looks to have been milled so you could use a standard distributer the same as mine and it also says it was for marine.
Last edited by Redman; 10-05-2015 at 12:08 PM.
10-05-2015 | 12:40 PM
#100
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From: Rocky Mountain-High
That makes sense. Connecting the dots..........
Post #49. http://www.boatmad.com/forum/showthr...t=22333&page=3
Jeff
Post #49. http://www.boatmad.com/forum/showthr...t=22333&page=3
Jeff
Here is my pic of 'Stocks Up'---I knew the boat pretty well---
