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Search: Posts Made By: Randy H
Forum: Go Kart Discussion Today, 05:01 AM
Replies: 12
Views: 85
Posted By Randy H
https://4cycle.com/karting/threads/briggs-flathead...

https://4cycle.com/karting/threads/briggs-flathead-raptor-rpm-5hp.106462/

Here a little bit on the subject. Brian Carlson has decades of experience with flatheads.

I do to but not at his level....
Forum: Mini Bikes, Trikes, and Choppers Yesterday, 08:29 PM
Replies: 3
Views: 50
Posted By Randy H
I for one am happy, and dig the snoot. Haha. ...

I for one am happy, and dig the snoot. Haha.

I need one for a Predator 420 with a 3 stage header. That thing is annoyingly loud.
Forum: Go Kart Discussion Yesterday, 08:14 PM
Replies: 12
Views: 85
Posted By Randy H
I say if your concerned get a billet flywheel or...

I say if your concerned get a billet flywheel or a new Briggs flywheel. I've seen a number of flywheels and haven't witnessed the massive corrosion you speak of. That's just my experience. Surely if...
Forum: Go Kart Discussion Yesterday, 03:54 PM
Replies: 12
Views: 85
Posted By Randy H
The Raptor 1 and 2 came with a regular flywheel...

The Raptor 1 and 2 came with a regular flywheel #555067. Don't have the info on Raptor 3 right now. I think stock they would run around 6kRPM. Open class racers ran em 9000+.

The problem is you...
Forum: Engines & Clutches Yesterday, 08:31 AM
Replies: 122
Views: 2,109
Posted By Randy H
I could be wrong but I believe retarding the...

I could be wrong but I believe retarding the timing from stock will cost you power across the entire RPM range.
Here's a good read.

https://foxvalleykart.com/timing2.html

Page 1 of article.
...
Forum: FAQ & Articles Yesterday, 07:30 AM
Replies: 5
Views: 75
Posted By Randy H
Save your pennies and build a brand new Raptor 4....

Save your pennies and build a brand new Raptor 4.

https://m.doverpoweronlinestore.com/catalog/item/8223861/8930936.htm
Forum: FAQ & Articles 09-16-2019, 04:38 PM
Replies: 5
Views: 75
Posted By Randy H
Here's an interesting link. Hint, there's alot...

Here's an interesting link. Hint, there's alot more info here (archive.org) for anyone that is willing to do a little digging.
...
Forum: Go Kart Discussion 09-16-2019, 01:13 PM
Replies: 23
Views: 326
Posted By Randy H
This applies to Raptor 3. Raptor 1 had a regular...

This applies to Raptor 3. Raptor 1 had a regular old two piece dipper.
Forum: Engines & Clutches 09-16-2019, 01:02 PM
Replies: 122
Views: 2,109
Posted By Randy H
It's possible for sure. It'll take a small...

It's possible for sure. It'll take a small fortune in special tools to do it. But big valve and seats were pretty common. Dual valve springs with split keepers too.

The head will require...
Forum: Mini Bikes, Trikes, and Choppers 09-16-2019, 12:40 PM
Replies: 27
Views: 346
Posted By Randy H
madprofessor Gee, things have improved here,...

madprofessor

Gee, things have improved here, a little bit.

When I stumbled upon this site, I was amazed at admins tolerance of completely rude members. As well as rude admins.

Comradery...
Forum: Go Kart Discussion 09-16-2019, 11:13 AM
Replies: 23
Views: 326
Posted By Randy H
Please enlighten me as to the special internal...

Please enlighten me as to the special internal Raptor parts.

FYI The only diffent internal part on a Raptor 1 is nothing. It's lacking a governor that is all.

Raptor 2 and 3 do have a one piece...
Forum: Go Kart Discussion 09-16-2019, 10:09 AM
Replies: 13
Views: 184
Posted By Randy H
Sweet deal. Once in a great while I come across a...

Sweet deal. Once in a great while I come across a box of goodies. Not as good your haul, but enough to get downright giddy sometimes. Lol.

If nothing else you got some pretty good trade bait....
Forum: Go Kart Discussion 09-14-2019, 05:10 PM
Replies: 23
Views: 326
Posted By Randy H
They don't only appear to be Briggs flathead they...

They don't only appear to be Briggs flathead they definitely are.

One block is a Raptor block, for sure. It's no pseudo Raptor.

The others may be as well. Need more pics to determine that.
...
Forum: Go Kart Discussion 09-14-2019, 02:59 PM
Replies: 23
Views: 326
Posted By Randy H
The black engine is a Raptor block.

The black engine is a Raptor block.
Forum: Mini Bikes, Trikes, and Choppers 09-12-2019, 10:51 PM
Replies: 7
Views: 82
Posted By Randy H
https://www.youtube.com/watch?v=EC4P_XZVApo&t=2429...

https://www.youtube.com/watch?v=EC4P_XZVApo&t=2429s

Here's a video by Jody Powell from ARC Racing. About 6 minutes in he demonstrates pushing the pins in.

"Easy peasy, lemon squeasy."
...
Forum: Mini Bikes, Trikes, and Choppers 09-12-2019, 08:36 PM
Replies: 7
Views: 82
Posted By Randy H
High quality #35 chain will handle 20+ HP in...

High quality #35 chain will handle 20+ HP in racing high RPM applications.

With or without a TC.

Check out ARC for a high quality chain tool. IMHO mastet links kind of suck at higher HP...
Forum: Build Off Contest Build Logs 09-12-2019, 08:22 PM
Replies: 178
Views: 4,494
Posted By Randy H
Hey JTSpeedDemon I hope you don't feel...

Hey JTSpeedDemon

I hope you don't feel rushed by some people's moronic comments.

I recommend you work and post at your own pace. Your getting stuff done. Learning at a good rate. Keep it up.
Forum: Build Off Contest Build Logs 09-09-2019, 07:02 PM
Replies: 178
Views: 4,494
Posted By Randy H
555207 is the stock size Raptor rod. A stock...

555207 is the stock size Raptor rod. A stock 555208 rod is .020 under.

Stock crank pin is .998"

I don't know what the deal with your rod is, likely it got put in the wrong box.

Use...
Forum: Build Off Contest Build Logs 09-09-2019, 12:34 PM
Replies: 178
Views: 4,494
Posted By Randy H
The part number indicates .020" undersize crank...

The part number indicates .020" undersize crank journal.

I question the .001" shorter claim.
Forum: Build Off Contest Build Logs 09-09-2019, 09:51 AM
Replies: 178
Views: 4,494
Posted By Randy H
I don't know if the R1 means much. The rods...

I don't know if the R1 means much. The rods pictured all came in boxes with the same part number. Some say R1 some say R2. I haven't come across any documentation that would indicate a difference.
...
Forum: Go Kart Discussion 09-09-2019, 12:27 AM
Replies: 16
Views: 494
Posted By Randy H
It looks real. ...

It looks real.

https://www.facebook.com/kenny.smith.7509/videos/10214467591871958/
Forum: Build Off Contest Build Logs 09-08-2019, 09:49 PM
Replies: 178
Views: 4,494
Posted By Randy H
Some say R1 some say R2. The one piece...

Some say R1 some say R2.

The one piece dipper started with the Raptor 2.
.
If you open the images in a new tab you can see some detail.
Forum: Photo Gallery & Project Log 08-31-2019, 01:09 PM
Replies: 18
Views: 395
Posted By Randy H
Well there is wussing out and there's making...

Well there is wussing out and there's making intelligent decisions.
Sure for the sake of knowledge play around with the points and condenser.
If you need new parts though it will cost about the...
Forum: Photo Gallery & Project Log 08-31-2019, 08:55 AM
Replies: 18
Views: 395
Posted By Randy H
Here's another option. I think you should still...

Here's another option. I think you should still investigate your points and condenser. A good cleaning might get you running. If you need new parts. The kits do work great. Fast install.

This...
Forum: Go Kart Discussion 07-24-2019, 03:42 PM
Replies: 9
Views: 252
Posted By Randy H
Deleted post. Wasn't trying to be offensive, just...

Deleted post. Wasn't trying to be offensive, just showing my slightly alot twisted humor. Sorry.
Showing results 1 to 25 of 500

 

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