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Stroker question

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Hi !!

Im plaining to drop a Hot rods stroker crank kit in my 2003 "S". Im gonna order the complete kit with the piston (430CC). I simply want to know if its a real BOLT-ON or I need some other parts cause I dont want any bad suprise. Also what adustement im gonna need to do.

I ride a lots of wood and little bit of highway. My mods are full pro circuit t4, hot cams stg 1 int & ext, Fcr 39, JD jet kits, big gun rev box, k n filter and 3x3.

Thanks,

REDGE

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Eddie feels (and I agree with him) the setups that use a shorter piston to deal with the longer stroke are not the best of ideas. It is a cheaper way to go, but you end up with two piston rings instead of the stock three. What he does (and many others) is use a stock or stock style three ring piston and a spacer under the barrel. If you use the spacer, you will also want/have to have your cams degreed (and should anyways unless you already did).

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PM Eddie, tell him you want a spacer. Also, you will need to 'clearance' your piston. This means put it on the crank, make sure it has a space of at least /030". A drum sander can be used.

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Those spacer are 110$. Why its better to have a spacer than a different piston. Exept for 2 ring istead of 3. thanks

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the main reason being you are stuck using the hotrods piston.

with the spacer you can use any drz piston.

the hotrods piston wont be available forever.

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The issue and reason for the spacer is the relationship between the piston and the head. A 5mm stroke increase moves the piston up 2.5mm more and down 2.5mm more. A stock piston in a stock barrel, the piston would hit the head. A 2.5 mm spacer raises the barrel enough to retain the stock clearance. Becasue the piston is moving down 2.5mm more, you need to ensure the piston skirt clears the crank.

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My uncle is a good machinist maybe if i bring im a hot rods piston and a stock piston ?? Why those piston are so different ?? thanks

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Haha thanks you. I know that im not the best mechanic in the world but I was thinking the only difference of those 2 piston was the height cause de bore is still 90 mm. thank

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I haven't looked at the pistons but I would think that the pin is closer to the top of the piston on the Hot Rods part. It would also have to have a shorter skirt to clear the crank.

You have two of the most knowledgeable posters on this forum telling you what you need. Why doubt them?

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I know those 2 guy are exceptionnal and i dont doubt them. I only want the cheapest way to do thing even if cheaper is not better.

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