Badazz660r, it all depends on how you look at it; if you know how to tear it down, you can drop in a 686cc 11 or 12:1 piston & a Stage I Hotcam on a Saturday afternoon & ride it Sunday all for about $300-$400 including gaskets & Yama bond & elbow grease & ...... The power increase will be noticeable, trust me! If you have to pay someone to do it for you, then you are looking at about $800-$900 including parts.

There are plenty of people who run the stock rod with a 686 build. I waited so long for Carillo rods & custom made Titanium connecting rods last year that I just threw the stock rod back in when I did my 686 build up. It runs fine, revs like a champ. Talk to Curtis Sparks, they build them that way all the time. You will find people who come out of the wood work who say they broke their stock rod on a 686 build up & I won't deny that you are on the edge with a stock rod & a 686 bore, however, if you build it carefully & run the right race gas & don't over rev the crap out of it, I bet it will last a long time. The advantage of using the stock rod with a 686 is that it will rev faster than a heavier/beefier Carillo rod & since a 686 piston weights about the same as a stock piston, you can forego the crank balancing as well. Now keep in mind, I say this because if my rod breaks its no big deal for me to tear it down & replace it.

Now, if you are planning on doing the tranny, that is going to cost you, so you might as well drop 2-3K & do the head porting, bigger valves, springs, hotter cam, conn rod, crank balancing, bore, piston, etc etc. You can still run the stock carbs with no problem. The crank balancing is very important with a Carillo rod since they are about 90 grams heavier than stock.

When I do my 727 build up, I am going to drop in a titanium connecting rod that weighs 312 grams(about 40 grams lighter than stock) & you can bet I will send it to the best for crank balancing, probably Crankworks or Falicon. Crank balancing alone will cost around $350.

So, you can do a simple 686 cam/piston combo yourself for around $300-$400, or you can pay someone $800-$900, or you can do everything for $3k. This is assuming you already bought the aftermarket exhaust & jet kit. Good luck!

 

Can't argue with that...

 

Build it up the first time around I would have to agree, you will end up doing it anyway when you get a taste of the power to be had if you like to drag

 

Thank you Chimmer and everyone else for the well thought reply. I am selling one of my cars and I am going to use some of that money and other money I have saved up to build up my stock Raptor. The stock 660 just isn't fast enough for me to keep up with my friends with Banshees, 450Rs, and yfz 450s. Hopefully by spring time my friends and I will have my motor done. We plan to go on a road trip to hopefully Glamis!!! It is a 35 hour drive from Michigan but well worth it I hope.

 

with all due respect, making a raptor "fast" (60hp barely breaks 5 secs with a good chassis setup 100yds) is expensive to say the least. instead of dropping a new tranny in your raptor, you could use that money to buy a banshee. you can definitly pick up one in the $2000-$3000 range. 60hp is easily achieveable with less than $1000 in mods, while it's going to cost twice that to get the same out of the raptor. keep the raptor as the putt putt machine and pick up a banshee. it's an easy motor to work on and alot of people can help you out if you have any problems.