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Thread: 2.4L pistons
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03-04-2023, 02:07 PM #1
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2.4L pistons
Who has built a fast 2.4L recently and used new pistons?
I took apart my Bridgeport that consistently spins up to 8k on gas (no additional injection). Just doing a normal service rebuild, I did not suspect anything wrong. However, a locating pin had walked itself up and almost through the deck. I tore it down just in time
So...I was totally happy with my forged MAHLE pistons that were in it and I would buy another brand new set if they still sold them. I'd drop 2k on a set of pistons for it if I knew they would be the quality of the old MAHLEs
That being said, what is the best 2.4 piston on the market right now? I can have the bridge cooling land milled in it, so it doesn't have to be BP specific, but just a good fingerport 2.4 piston.
8' Yellow Jacket - 25 hp Mariner
1984 Hst VKing - 15" Bridgeport EFI
1990 Collins Mirage - 15" 260
22' Aquasport - 150 SeaPro Fourstroke
25 hp Merc that runs on ACETONE
25 hp Merc with dry side pipe
25 hp Merc with 11" mid and 2.42:1 gears
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03-04-2023, 06:33 PM #2
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check with Wizard performance products..
.... they did at one time.
Last edited by tlwjkw; 03-04-2023 at 06:49 PM.
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03-04-2023, 07:22 PM #3
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Last I opened their website they had...and last I opened their website they had only one model of 2.5L pistons. Now they got 3 models of 2.5 pistons listed on their website and no 2.4. I can still find some wizard 2.4 pistons on ebay but I wanted to know if anyone has tried the 2.4L wizards??? Are they top pinned out of the box like the 2.5s or no? I recall in the past seeing someone somewhere advertising 2.4L pistons that came with a flat bridge milled in them and top pinned right out of the box, but I can't find what mfr that was now.
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03-04-2023, 10:55 PM #4
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I’m running wisecos with good success. I always do a good warm up at start of the day before jumping on it
1990 Shadow bass boat w/ 2.4 200 Merc. Totally resto'd boat and love it!
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03-05-2023, 04:16 AM #5
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pretty sure they were top pinned but i have never had one in my hand.. came out to late for me..
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03-05-2023, 10:33 AM #6
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Reach out to John Marles, US1
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03-05-2023, 12:56 PM #7
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I wouldn't hesitate to use Wiseco pistons in any motor, but after reading your post... I would contact Wizard to see if they have or can get 2.4L pistons.
They have a German-made, forged, top-pinned 2.5L racing piston that's probably(?) made by Mahle? https://wizardraceshop.com/128-serie...ercury-piston/
Let's just go ahead and make America great again!
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03-06-2023, 03:26 PM #8
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ProMarine has the 2.4 wizard.
https://parts.promarineusa.com/produ.../M50/1/1/W24PS1973 Viper - sold
1978 Viking - sold
1995 XB02
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03-07-2023, 12:39 PM #9
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Anyone use the 2.4 wizard? I can see in the pro marine pic that it is top pinned which is great. Anyone know if it already has the flat bridge cooling land milled?
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