Fordmods Logo

Economy for 351C on LPG 

 

Page 2 of 2 [ 21 posts ] Go to page Previous  1, 2

 
Posted: Fri Jul 28, 2006 8:56 pm 
Getting Side Ways
Offline

Posts: 973

Joined: 15th Nov 2004

Ride: el wagon

Location: melbourne
VIC, Australia

might I suggest, Samsy that you get the dizzy re-curved for gas, as a different advance is needed. I also ran a Crow cam that was supposed to be designed for gas. (can't remember the number, but see their website) Bronze valve guides were a big help too, as was the tripple valve angles done by C.O.M.E., and the double springs.

Do you have a balance pipe on the zorst?
Top
 Profile  
 
 
Posted: Mon Jul 31, 2006 4:02 pm 
EFI Guru
Offline

Age: 52

Posts: 4289

Joined: 5th Nov 2004

Gallery: 28 images

Ride: 351 Vogue,XH 5.0,'17 5.0 Stang

Location: Perth
WA, Australia

I get over 400K per 70L city with my 351W(got the same with my 351C) in my ute with 3.5 gears and toploader.
I use my own design mixer and OMVL converter. Power is within a couple of hp of petrol too.

Cheers,
Pete.
Top
 Profile  
 
 
Posted: Mon Jul 31, 2006 4:26 pm 
Getting Side Ways
Offline
User avatar

Age: 44

Posts: 762

Joined: 6th Nov 2004

Gallery: 6 images

Ride: XB 351 V8 & BA GT

Location: Sydney
NSW, Australia

No I dont have a balance pipe. What effect will that have? ......Would it be better to go back to the original Bosch dissy and get it recurved or stick with the Mallory twin point and recurve that?

 

_________________

XB 351 and BA GT

FordMods No: 288

Top
 Profile  
 
 
Posted: Mon Jul 31, 2006 5:30 pm 
Getting Side Ways
Offline

Posts: 973

Joined: 15th Nov 2004

Ride: el wagon

Location: melbourne
VIC, Australia

IMHO, I don't think there is anything to be gained by having a twin point dizzy, except you go thro' spark plugs twice as fast. If you had something that was really hot, maybe. By having the advanced adjusted, allowance is made for the slower burning nature of LPG. It also means that the engine will not run really well on petrol, but, hey, who cares? Get a good set of leads, too. Try AMR in Oakleigh.
A balance pipe goes between the two zorst pipes about the middle of the gearbox. It allows the exhaust gas pulses to be evened out. Gives a lot more low down grunt than unbalanced.
Top
 Profile  
 
 
Posted: Mon Jul 31, 2006 5:33 pm 
Getting Side Ways
Offline

Posts: 973

Joined: 15th Nov 2004

Ride: el wagon

Location: melbourne
VIC, Australia

BTW, I also had 302 heads that I had machined out to just under 351 cc's to give it a bit more compression. Worked really well.
Top
 Profile  
 
 
Posted: Wed Aug 02, 2006 7:12 pm 
Tyre Shredder
Offline
User avatar

Age: 31

Posts: 324

Joined: 15th Apr 2006

Ride: XE & Corty

Power: 218 rwkw

Location: Wangaratta
VIC, Australia

My XE 302 gets about 180-220km per tank of gas. Which is about 62-63l usable capacity. Most I've ever gotten out of it was 325km which i'm unsure how I got it... never been able to replicate!
Atm I have a vacuum leak somewhere on the inlet manifold, red light comes on at about 120km and runs out at about 180-200.
Currently running an impco 300a mixer sitting on top of a holley 600 vac sec. I'll be ripping off the impco as soon as the new motor goes in, I have a sprintgas mixer sitting in the shed to go on. Said to be good for 360-380hp. Which incidently is the power i'm aiming for: 351c, solid comp cam, roller rockers, 10:1 comp, 4v valves, 2v heads,weiand x-cellerator intake and a 750 DP Holley with a sprintgas sitting on top....

I'd be checking for vacuum leaks #1.

 

_________________

13.28@103.73mph

Top
 Profile  
 
Display posts from previous:
Sort by  
 Page 2 of 2  [ 21 posts ]  Go to page Previous  1, 2

Who is online

Users browsing this forum: No registered users and 9 guests


You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum
You cannot post attachments in this forum

 

 

It is currently Tue Dec 12, 2017 5:48 am All times are UTC + 11 hours

 

 

(c)2014 Total Web Solutions Australia - Australian Web Hosting and Domain Names