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What Gil risers do I need?

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Old 03-09-2020, 09:12 PM
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Default What Gil risers do I need?

I am in the process of putting a Mercruiser 420 in my 88 Powerquest spectra xl 222. Dropped the motor in place tonight as spring is almost upon us in northern Mi. Not only are the risers I bought off Craigslist too long, they’re also too high. Anyone have any idea what risers I actually need? I’ve attached pictures of the ones I have. Part # 818495a1.

Thanks in advance!
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Old 03-09-2020, 09:19 PM
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Old 03-09-2020, 09:23 PM
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I went with these. Had to add a wedge but I have raised exhaust ports on my heads


https://www.cpperformance.com/p-1042...tailpipes.aspx
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Old 03-09-2020, 09:35 PM
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Originally Posted by Crude Intentions
I went with these. Had to add a wedge but I have raised exhaust ports on my heads


https://www.cpperformance.com/p-1042...tailpipes.aspx
Those dimensions would work for me, hoping to track down something used tho. Those are 6” shorter than the ones I have.
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Old 03-09-2020, 11:42 PM
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They are hp500 risers and can be found used. I bought new.
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Old 03-10-2020, 01:29 AM
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The Merc 420's came with TRS drives and had a transmission, thus the reason they are too long and the wrong angle.
You need to find out if your exhaust holes in the transom are in the stock Bravo cutout location.
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Old 03-10-2020, 12:33 PM
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Send a PM to Sick Stinger. I think he has some standard Bravo risers.
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Old 03-10-2020, 01:20 PM
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Originally Posted by Griff
Send a PM to Sick Stinger. I think he has some standard Bravo risers.
pm’d and texted him, have yet to hear back, hoping he has something!
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