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Search: Posts Made By: cyrus77
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Forum: Scarab
12-28-2019, 10:30 PM
Replies: 6
Views: 1,259
Posted By cyrus77

What RPM?

What RPM?
Forum: General Q & A
12-22-2019, 01:06 AM
Replies: 75
Views: 7,835
Posted By cyrus77

Not yet. trimmed to 6 on the gauge for comparison...

Not yet. trimmed to 6 on the gauge for comparison purposes. how much trim does it want at 85? i worry it will porpoise. i will work on the bottom and lowers and run it on new years. to find out.
Forum: General Q & A
12-20-2019, 02:37 PM
Replies: 75
Views: 7,835
Posted By cyrus77

I was thinking that . I thought about blunting...

I was thinking that . I thought about blunting what was there too. No sure if it would work or not. It would be nice to do it adding so I can remove if it is not good.
Forum: General Q & A
12-18-2019, 11:15 AM
Replies: 75
Views: 7,835
Posted By cyrus77

Thank you all. I have a 33 AVS Scarab like...

Thank you all. I have a 33 AVS Scarab like articfriends and am doing many things to get more speed. I have got a big improvement so far. While I do agree a fast hull is the best starting point I...
Forum: Swap Shop
12-17-2019, 02:38 PM
Replies: 14
Views: 2,885
Posted By cyrus77

Both lower manifolds sold 502 Lower intakes...

Both lower manifolds sold

502 Lower intakes Ported by Potter performance one sold $200
502 Upper intakes Ported for TPIS Throttle bodies $100 each
502 used wire sets with fiberglass shields...
Forum: General Q & A
12-16-2019, 11:22 PM
Replies: 75
Views: 7,835
Posted By cyrus77

Arrow What are tricks to making a boat go faster (other than HP)

Looking for info on tricks to making a boat go faster (other than HP).

Looking for info or sources on the following;
1. a blueprinting (best method)
2. the right props (for speed and/or economy)...
Forum: Wanted
11-18-2019, 05:03 PM
Replies: 0
Views: 72
Posted By cyrus77

Looking for Scarab 33 AVS carpet, cover, manuals, upholstery etc...

Looking for Scarab 33 AVS carpet, cover, manuals, upholstery etc...

PM me with wihat you have extra. Thanks
Forum: Swap Shop
11-18-2019, 04:53 PM
Replies: 14
Views: 2,885
Posted By cyrus77

Both lower manifolds sold 502 Lower intakes...

Both lower manifolds sold

502 Lower intakes Ported by Potter performance one sold $200
502 Upper intakes Ported for TPIS Throttle bodies $100 each
502 used wire sets with fiberglass shields...
Forum: Prop Talk
11-18-2019, 04:52 PM
Replies: 1
Views: 277
Posted By cyrus77

Talking Looking for advice on fastest/best Prop For AVS 33

Looking for advice on fastest/best Prop For AVS 33. Assume 502 NA making power till 5600 rpm around 620 HP. Looking at the Bravo 1 and Bravo 1 FS. Do I want bow lift of the FS. How does that affect...
Forum: General Q & A
11-18-2019, 04:49 PM
Replies: 16
Views: 1,394
Posted By cyrus77

What RPM at 85.2?

What RPM at 85.2?
Forum: General Q & A
11-17-2019, 03:16 PM
Replies: 16
Views: 1,394
Posted By cyrus77

https://cimg1.ibsrv.net/gimg/www.offshoreonly.com-...

https://cimg1.ibsrv.net/gimg/www.offshoreonly.com-vbulletin/2000x1504/20191117_113405_2f508ff70f79ce91e0e863775e435701d3589dd4.jpg

2/3 tank 4 pass today with trim at 4 san Francisco
Forum: Scarab
11-16-2019, 11:12 PM
Replies: 2
Views: 568
Posted By cyrus77

I replaced my tank. I it is as it says. I...

I replaced my tank. I it is as it says. I designed a new tank it holds 149 gallons. If you maxed it out you could probably get 170 in there
Forum: General Q & A
11-16-2019, 10:52 PM
Replies: 16
Views: 1,394
Posted By cyrus77

33 Scarab AVS performance test ​​​​​​​

33 Scarab AVS performance test
I have run this boat with full tank and 400lbs pass 28 p bravo props.

502 dead stock GM 502s 850 Holly carburetors. would Max out at 70 mph 5050 rpm

With 502...
Forum: Swap Shop
11-13-2019, 11:24 AM
Replies: 14
Views: 2,885
Posted By cyrus77

Yes one left PM me. MEFI 3 are sold

Yes one left PM me.

MEFI 3 are sold
11-11-2019, 06:03 PM
Replies: 16
Views: 1,021
Posted By cyrus77

You may have the L19 454s with the one-piece rear...

You may have the L19 454s with the one-piece rear seal and 4-bolt mains, valvetrain (https://en.wikipedia.org/wiki/Valvetrain) non-adjustable and the provisions for a mechanical fuel pump eliminated....
Forum: Swap Shop
11-10-2019, 11:36 PM
Replies: 14
Views: 2,885
Posted By cyrus77

502 Lower intakes Ported by Potter performance...

502 Lower intakes Ported by Potter performance one sold $200
502 Upper intakes Ported for TPIS Throttle bodies $100 each
502 used wire sets with fiberglass shields (Used but nice shape) $15 EACH...
Forum: Swap Shop
11-05-2019, 12:22 PM
Replies: 14
Views: 2,885
Posted By cyrus77

502 Lower intakes Ported by Potter performance...

502 Lower intakes Ported by Potter performance one sold $200
502 Upper intakes Ported for TPIS Throttle bodies $100 each
502 used wire sets with fiberglass shields (Used but nice shape) $15 EACH...
Forum: Swap Shop
11-02-2019, 08:35 PM
Replies: 14
Views: 2,885
Posted By cyrus77

PM me. I can text pics

PM me. I can text pics
Forum: Swap Shop
11-02-2019, 05:55 PM
Replies: 14
Views: 2,885
Posted By cyrus77

Talking Mercruiser 502 Parts Garage clean out.

Mercruiser 502 Parts Garage clean out.
https://www.dropbox.com/s/w744fox2v5k98dm/Resized_20191102_133531.jpeg?dl=0

https://www.dropbox.com/s/zi4n7jtssh6z1fl/Resized_20191102_133536.jpeg?dl=0...
11-01-2019, 01:17 AM
Replies: 10
Views: 1,291
Posted By cyrus77

That one had me laughing.

That one had me laughing.
10-31-2019, 01:12 PM
Replies: 10
Views: 1,291
Posted By cyrus77

Exclamation Scared Spit-less In SF bay Gale Force winds.

Scared Spit-less In SF bay Gale Force winds.

First I realize in hindsight that mistakes were made and I a looking for other experience and advice. Anyone locally knows what the winds were like on...
Forum: General Q & A
10-21-2019, 05:53 PM
Replies: 43
Views: 3,082
Posted By cyrus77

Also adding more timing is a big benefit to these...

Also adding more timing is a big benefit to these motors as they have only 28 total degrees of advance.
Forum: General Q & A
10-21-2019, 12:40 PM
Replies: 43
Views: 3,082
Posted By cyrus77

Hello, I have built several MPI engines and have...

Hello, I have built several MPI engines and have lots of parts left over from my build.
I have bored out throttle bodies 68 MM https://www.tpis.com/pages/11_7_12
Ported upper intake to match...
10-01-2019, 09:10 PM
Replies: 20
Views: 1,979
Posted By cyrus77

Ok looks like I am using Nida core 1" with glass...

Ok looks like I am using Nida core 1" with glass and bracing ribs.
09-30-2019, 02:11 AM
Replies: 20
Views: 1,979
Posted By cyrus77

Talking Lightweight engine Hatch. Nidacore, Carbon core, or ????

Lightweight engine Hatch. Nidacore, Carbon core, or ????
I am making a new hatch for my Scarab 33 AVS and want to lose weight. The old one is about 150 lbs. I do not need foam I just want to walk on...
Showing results 1 to 25 of 401
 


 
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