The easier they can breathe the better. A good dual plane intake, 3 angle valve job on the heads and a little more cam wakes them up. Should put the powerband right at cruising rpm.
Sent from my Verizon Wireless Droid -----Original message----- From: John Ellison <[email protected]> To: UnifliteWorld <[email protected]> Sent: Mon, Apr 9, 2012 00:45:40 GMT+00:00 Subject: [UnifliteWorld] Re: 27" Express Cruiser motor trannie swap Hi Nick, Yesterday we got both of the 360's running, they need attention but the motors I beleive are souind, I think they should be plenty of power for that 27, I am in fact hoping I can prop them so I can run the motors at less rpm for cruise and save some fuel if thats possible.....? http://www.youtube.com/watch?v=aVFlX4OWYjE On Apr 8, 6:12 am, Nick Latina <[email protected]> wrote: > 318, 340, and 360 (pre 1992) are identical LA mopar small blocks. The bolt > patterns for both mounts and trans ends are the same. Everything > interchanges on them. One very good upgrade on these engines is to enlarge > the 1.88" intake valve to a 2.02". The heads on these motors are pretty > restrictive, this nets another 25-40hp depending on the cam selection while > bettering the fuel economy. I am a bit of a mopar nut and have built several > small and big blocks so if you have any questions on the motors give me a > shout. > > --- On Fri, 4/6/12, Aaron Johnston <[email protected]> wrote: > > From: Aaron Johnston <[email protected]> > Subject: Re: [UnifliteWorld] 27" Express Cruiser motor trannie swap > To: [email protected] > Date: Friday, April 6, 2012, 9:28 PM > > If the engine is truly seized just from non use for many years it may be > worth a brief trial of un-seizing it before you pull and swap everything. On > the off chance the engine does release with just a little oil in the > cylinders you will have saved yourself a huge amount of work, and if not you > are just out 10 bucks for a bottle of anti-seize (or stove oil or whatever > concoction you like to use on seized stuff). > My 2 cents, > Aaron > > On Tue, Mar 20, 2012 at 10:20 PM, John Ellison <[email protected]> wrote: > > In December I made a "commitment" to buy a 27" Express Cruiser, I say > commitment because I have not seen the boat as it is buried under many > feet of snow. It is being shoveled off but I cannot retrieve it until > maybe May or more likely June. > > The price was right so unless the seller really misrepresented it, it > should be OK. The boat has 318's with Paragon Gears. It has not run in > a while and have been told that the motors do not trun over and need > to be replaced. > > 2 weeks ago a pair of 360's with Velvet drives, manifolds, heat > exchangers, etc showed up on CL. I bought the pair site unseen and > spent last Saturday getting them started. I only ran them briefly as > they were dry. I will need to move on the next step and get them ready > to go in the boat. I will most likley remove everything except the > intake, inspect reseal, repair rebuild as needed. > So far the motors look pretty good, sound good, and had clean oil in > both the motors and the trannies. > > I plan to set the motors up so I can run them for 1/2 hour or so and > check temp, pump pressure on the Velvet drives and make sure they > warrant further effort. > > I am really wondering how diffrent they will be from the Paragon > setup, its driving me crazy not having the boat to figure some of this > out...........I am new to the world of bigger boats and particuarly so > with inboards with gears....... > > So, are the motor mounts the same for both? will I need to modify the > propshaft? What am I getting into? > > I do not know anything about the boat, the 360's were removed to make > hull repairs. They have the "log" style manifolds and have a closed > cooling with sherwood raw water pumps and sendure heat exchangers. > > Thanks, John > > -- > You received this message because you are subscribed to the Google Groups > "UnifliteWorld" group. > To post to this group, send email to [email protected]. > To unsubscribe from this group, send email to > [email protected]. > For more options, visit this group > athttp://groups.google.com/group/unifliteworld?hl=en. > > -- > Dr. Aaron Johnston > BSc, MD, CCFP EM > [email protected] > > -- > You received this message because you are subscribed to the Google Groups > "UnifliteWorld" group. > To post to this group, send email to [email protected]. > To unsubscribe from this group, send email to > [email protected]. > For more options, visit this group > athttp://groups.google.com/group/unifliteworld?hl=en. -- You received this message because you are subscribed to the Google Groups "UnifliteWorld" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/unifliteworld?hl=en. -- You received this message because you are subscribed to the Google Groups "UnifliteWorld" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/unifliteworld?hl=en.
