Author Topic: My First 88 LT500 Build (Read 38331 times)

MotorGeek - Jerry Hall · « **Reply #300 on:** June 27, 2013, 07:53:14 am »

Quote from: LT250RWV on June 27, 2013, 07:24:32 am

I say the head you have now will work just fine .When you get your bearing and thrust washers.Put it on and check the squish and see if its right or not.
From what I got from reading Jerry's post the water mod will work just fine on your quad. Or get a cool head and send it to Jerry or Carl for some TLC.

The water port mods done to his head will not be very effective because the holes are too large.

Buckeye513 · « **Reply #301 on:** June 27, 2013, 08:14:31 am »

Let's call it "that head" because even though I'm in possession of it its anything but my head.

Buckeye513 · « **Reply #302 on:** June 27, 2013, 08:28:23 am »

So if I end up going the cool head route cause I'm not too confident my head will ever make its way back to me, what's a good cc dome size to go with? Also could I run one dome for drag racing and swap it out for another dome for trail riding? O ringing a cool head about how much does that cost and has anyone ever o ringed their cylinder?

MotorGeek - Jerry Hall · « **Reply #303 on:** June 27, 2013, 08:48:39 am »

Quote from: Buckeye513 on June 27, 2013, 08:28:23 am

So if I end up going the cool head route cause I'm not too confident my head will ever make its way back to me, what's a good cc dome size to go with? Also could I run one dome for drag racing and swap it out for another dome for trail riding? O ringing a cool head about how much does that cost and has anyone ever o ringed their cylinder?

Why to you want to screw up your engine design by using the right head one day and the wrong head another day.

It is the total engine design: ports, pipe, reeds, carb head and ignition timing that determines what octane fuel your engine needs.

Just changing the compression ratio does not have a large influence on the octane rating that your engine needs unless you reduce the compression to the point that it makes power like a 250. If you reduce your compression ratio this much, your pipe and ports will be a mile out of tune with each other.

Most of this stuff about using different heads or domes so that you can have a engine that can run on any fuel began when the billett heads were first started. I am not sure if was a marketing campaign to sell you more domes after you bought a billet shell or if it was absolute ignorance about the intricate design and understanding of high performance two strokes on the part of the billet head industry.

Buckeye513 · « **Reply #304 on:** June 27, 2013, 08:55:22 am »

Ok so that being said what would be a good dome cc size to use 62, 60, 58? Jerry I'm useless when it comes to dome sizes and compression ratios and Matt isn't even able to produce my head that I sent him so I don't really trust much of anything about what kind of porting was done to my cylinder. Really effed up in my engine builder selection to say the least.

LT250RWV · « **Reply #305 on:** June 27, 2013, 10:02:43 am »

Quote from: MotorGeek on June 27, 2013, 07:53:14 am

Quote from: LT250RWV on June 27, 2013, 07:24:32 am
I say the head you have now will work just fine .When you get your bearing and thrust washers.Put it on and check the squish and see if its right or not.
From what I got from reading Jerry's post the water mod will work just fine on your quad. Or get a cool head and send it to Jerry or Carl for some TLC.

The water port mods done to his head will not be very effective because the holes are too large.

I miss Read your post Jerry. I saw the holes were smaller in the pic of that head. That's why I thought that head would work . I don't know the size you need Buck. I started with a 22cc on my 250 which is the same as stock and had it work on, Which it isn't no 22cc now since the mod was done to it.

Buckeye513 · « **Reply #306 on:** June 27, 2013, 03:31:23 pm »

My Father's Day present arrived today! BRAAAAAAPPPPPP

Dangerouspower · « **Reply #307 on:** June 27, 2013, 03:47:33 pm »

Twist throttles slow you down !!!

MotorGeek - Jerry Hall · « **Reply #308 on:** June 27, 2013, 04:23:14 pm »

Quote from: Buckeye513 on June 27, 2013, 08:55:22 am

Ok so that being said what would be a good dome cc size to use 62, 60, 58? Jerry I'm useless when it comes to dome sizes and compression ratios and Matt isn't even able to produce my head that I sent him so I don't really trust much of anything about what kind of porting was done to my cylinder. Really effed up in my engine builder selection to say the least.

The volume of the dome we use depends upon your cylinder length and head gasket thickness.

Buckeye513 · « **Reply #309 on:** June 27, 2013, 04:33:06 pm »

DP its a dual gasser so its thumb and twist!!

Jerry it's stock cylinder length bored to 87.5mm and if I ran a cool head I'd likely have it o ringed or have my cylinder o ringed if that's doable.

MotorGeek - Jerry Hall · « **Reply #310 on:** June 27, 2013, 05:25:09 pm »

Quote from: Buckeye513 on June 27, 2013, 04:33:06 pm

DP its a dual gasser so its thumb and twist!!

Jerry it's stock cylinder length bored to 87.5mm and if I ran a cool head I'd likely have it o ringed or have my cylinder o ringed if that's doable.

If you had the ears reinforced, the cylinder should be shorter if it was done right.

Dangerouspower · « **Reply #311 on:** June 27, 2013, 06:05:32 pm »

QuadMan8 · « **Reply #312 on:** June 27, 2013, 06:55:53 pm »

Buckeye---If it helps you out I have a head already properly modded by Allan At CT Racing ( he does SOLID work) that I will sell to you cheap for all the crap you have been through. I had been asking 85 + 15 bucks for the ride but I will sell it to you for $50 including shipping if your interested. It is listed in the for sale section. It is non o-ring with no mods to cooling holes. The squish has been properly cut and It does require race fuel at sea level and requires 50/50 mix at the 4500-5500 foot elevation I run.--quadman8,

Buckeye513 · « **Reply #313 on:** June 28, 2013, 11:50:00 am »

Thanks Mike for the awesome offer I'll run it by my pops.

Kyle T · « **Reply #314 on:** June 28, 2013, 12:27:46 pm »

Thanks Jerry!

Buckeye513 · « **Reply #315 on:** June 28, 2013, 12:53:17 pm »

Ears weren't reinforced.

Buckeye513 · « **Reply #316 on:** June 28, 2013, 02:10:55 pm »

Got my billet thrust washers from Mr. Keller! Thanks Mitch!!! Was hoping you'd throw a set of o rings in with them and bill me for it gonna try to find o rings local and try to run this head I reckon.

Buckeye513 · « **Reply #317 on:** June 29, 2013, 12:12:54 pm »

Cussing at MHR every 5 seconds!!!

Also found out while putting the piston on I have a hot rods connecting rod not sure about the crank though didn't even notice that till now. Don't know if that's good or bad.

Dangerouspower · « **Reply #318 on:** June 29, 2013, 08:53:55 pm »

Ya your not the only one! Hes still pulling my leg that no good mother

!

Buckeye513 · « **Reply #319 on:** July 02, 2013, 06:30:28 pm »

So ordering some jets from Mr. Hall got some advice from him on tuning. In the picture what position do I have the clip on? Thanks

Zilla273 · « **Reply #320 on:** July 02, 2013, 06:33:26 pm »

u would be one from leanest position

Buckeye513 · « **Reply #321 on:** July 02, 2013, 07:17:48 pm »

So is this the second position or first position?

Motoman991 · « **Reply #322 on:** July 02, 2013, 07:35:37 pm »

Second

FX4Pitrone · « **Reply #323 on:** July 02, 2013, 07:40:05 pm »

Buckeye, not to de-rail your thread (great job btw, keep it up!), do you have any way to get in touch w/ Matt? E-mail and phone...no luck.... thanks man

Buckeye513 · « **Reply #324 on:** July 02, 2013, 08:03:08 pm »

He's getting his shop set up and is unreachable from what he told me. He's working to sort out the mess that Tiffany created for him and will be in communication with anyone that has parts there ASAP.

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Author Topic: My First 88 LT500 Build (Read 38331 times)

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