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Speed,Combat,Scale,Racing => Speed Talk => Topic started by: Motorman on July 02, 2023, 03:19:09 PM

Title: Fox Speed Block
Post by: Motorman on July 02, 2023, 03:19:09 PM
If anyone is interested in building a Fox speed engine, the prefered crankcase is up on eBay. Not my auction btw.

https://www.ebay.com/itm/225639076072?_trkparms=ni_actn%3Anav%7Cni_nt%3AWATCH_ITEM_ENDING_SOON%7Cni_apos%3A1%7Cni_sg%3A1%7Cni_pos%3A1%7Cni_st%3ANEW%7Cni_wh%3A1%7Cni_nid%3A605531375405%7Cni_nsid%3A225639076072%7Cni_et%3A1688345809000%7Cni_bn%3A1&_trksid=p2380424.m570.l5997

MM
Title: Re: Fox Speed Block
Post by: BillLee on July 02, 2023, 07:17:14 PM
If anyone is interested in building a Fox speed engine, the prefered crankcase is up on eBay. Not my auction btw.

https://www.ebay.com/itm/225639076072?_trkparms=ni_actn%3Anav%7Cni_nt%3AWATCH_ITEM_ENDING_SOON%7Cni_apos%3A1%7Cni_sg%3A1%7Cni_pos%3A1%7Cni_st%3ANEW%7Cni_wh%3A1%7Cni_nid%3A605531375405%7Cni_nsid%3A225639076072%7Cni_et%3A1688345809000%7Cni_bn%3A1&_trksid=p2380424.m570.l5997

MM

Oh, my! a tether car engine!  ;D ;D
Title: Re: Fox Speed Block
Post by: Dave Hull on July 02, 2023, 11:22:08 PM
Ok, I'll bite...and maybe learn something. WHY is this the preferred case for what I assume is a "no modification limit rule" event, correct? It is pre-muffler lugs, but why does that matter? Or is there something inside that is perceived as better?
Title: Re: Fox Speed Block
Post by: Paul Smith on July 03, 2023, 07:40:37 AM
In reality, there is no rule that limits modification of engines in Fox 35 Stunt Speed.  It's wide open to machinists to make and use whatever they can.

Like most older modelers, I have large stash of Fox 35 Stunts that I have run hard and no longer give contest performance.  I don't need few fifties enough to try to pass them off to suckers on Ebay.
Title: Re: Fox Speed Block
Post by: bob whitney on July 03, 2023, 09:22:24 AM
NOT TRUE, u band my R/V version at Brodaks RAD S?P
Title: Re: Fox Speed Block
Post by: Motorman on July 03, 2023, 06:10:02 PM
NOT TRUE, u band my R/V version at Brodaks RAD S?P

My Fox 4011 got bann too but only for displacement. Hey Bob we were really out there with the mods weren't we.

That case is the good one because it has the head bolt bosses, the wart bypass (biggest) and the heavy exhaust bridge.

MM
Title: Re: Fox Speed Block
Post by: Dave Hull on July 05, 2023, 05:35:59 PM
Got it. Thanks Motors....