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Dan
Site Subscriber
Joined: 28 Jan 2005
Posts: 3547
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Mon Jan 09, 2006 2:11 am |
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Well today i decided to go out and start building the 19's Normally aspiriated engine, I've got alot to do!
I have already stripped down the engine, discovered what went wrong with it originally.
I started measuring up the pistons, to see which ones fit the bores best:
I still have 10 more pistons from other F7P engines to measure!
I cleaned up the block-to-head surface
you can see the crosshatching in the furthest bores. |
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Dan
Site Subscriber
Joined: 28 Jan 2005
Posts: 3547
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Mon Jan 09, 2006 5:37 am |
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Well today i started weighing up the componants.
I have only managed to get round to weighing 2 pistons.rods etc:
Pistons
(weight on its own/weight with pin)
1) 331g/434g
2) 333g/435g
Con-Rods
(on its own/with big end cap)
1) 439g/683g
2) 437g/680g
Big end caps
1) 198g
2) 200g
Combined weight (Piston,Con-rod with bolts and caps,Pin,2 Circlips)
1) 1117g
2) 1117g
Big end weight with caps, no bolts
1) 377g
2) 373g
Small end weight
1) 214g
2) 206g
There is alot of improvement to be done, this here is for lightening and balencing, what i am doing is Static balencing as i dont have the equipment for dynamic balencing. |
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stan
Gay Rights Activist
Joined: 07 Apr 2004
Posts: 1268
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Tue Jan 10, 2006 6:01 pm |
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I can get your complete crank-train dynamically balanced (lightened fly/crankshaft/clutch basket/front pulley inc all bolts).
catch me on msn mate if your intrested |
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Dan
Site Subscriber
Joined: 28 Jan 2005
Posts: 3547
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| Posted:
Thu Jan 12, 2006 3:41 am |
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Today i have all the pistons weighing 330g, im awaiting the arrival of a veriner calliper to measure up the crank, bores journels etc.
And i am also waiting for a con rod to arrive from winston on CS. |
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Dan
Site Subscriber
Joined: 28 Jan 2005
Posts: 3547
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| Posted:
Thu Jan 12, 2006 3:51 pm |
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Well today i set about lightening the conrods
Before:
I am doing this with a dremel and a sand paper attachment.
The basics of doing this is taking away any excess material from manufactor.
I was given the example if it was left on a beach for 10 odd years, it'll be all smooth, this is what you want to take off.
This is how i have started(no where near finished, and yet it has still lost 10g!):
BEFORE
AFTER
SIDE BY SIDE:
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Last edited by Dan on Thu Jan 12, 2006 4:35 pm; edited 1 time in total |
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FincH
Site Subscriber
Joined: 05 Jan 2005
Posts: 569
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Thu Jan 12, 2006 4:22 pm |
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Good stuff man  |
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BenR
Level 5 User
Joined: 18 Jun 2004
Posts: 114
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Sat Jan 14, 2006 11:58 am |
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| danlp6 wrote: |
Today i have all the pistons weighing 330g, im awaiting the arrival of a veriner calliper to measure up the crank, bores journels etc.
And i am also waiting for a con rod to arrive from winston on CS. |
You cannot use a vernier for any sort of accurate measurements.
For the bores you need a bore gauge, for the pistons/journals you need a range of mic's and for big ends you need an intermal mic.
verniers are for quick visual checks on non precise items. |
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BenLewisMav
Level 5 User
Joined: 05 Jan 2006
Posts: 119
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Mon Feb 06, 2006 4:13 pm |
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So whats going on now dan? Any more progress? |
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Dan
Site Subscriber
Joined: 28 Jan 2005
Posts: 3547
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| Posted:
Tue Feb 07, 2006 2:21 am |
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Yea a little bit, got all the pistons in the block, the con rods all to the weight of 426g, I have some piper cams on the way, just a case of money now! |
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Dan
Site Subscriber
Joined: 28 Jan 2005
Posts: 3547
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Fri Feb 17, 2006 4:05 am |
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well a nice present from stan arrived here today:
Piper 270 cams
Ive also started doing the porting and polishing on the spare head ive got. |
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Dan
Site Subscriber
Joined: 28 Jan 2005
Posts: 3547
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Wed Mar 01, 2006 3:31 am |
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Well ive just got off the phone from Engine parts UK (01708 890494) ordering all the parts:
Bottom end kit £16.58+vat
Big end bearings £13.48+vat
Mains £17.66+vat
Thrust washers £6.42+vat
Cambelt kit £66.91+vat
Headbolts £7.67+vat
Piston Rings £24.48+vat
Postage is free as its over £100 
Very good service! |
Last edited by Dan on Fri Mar 03, 2006 2:32 am; edited 2 times in total |
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JB
Mr Quoter-vator
Joined: 16 Feb 2004
Posts: 7405
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Wed Mar 01, 2006 3:34 am |
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Chet T16
Retroholic
Joined: 12 Feb 2004
Posts: 5685
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| Posted:
Wed Mar 01, 2006 3:48 am |
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Except for the cambelt kit! |
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Dan
Site Subscriber
Joined: 28 Jan 2005
Posts: 3547
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Wed Mar 01, 2006 3:56 am |
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seemed a good price to me! |
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Chris H
Forum Moderator
Joined: 02 Mar 2004
Posts: 19978
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Wed Mar 01, 2006 4:00 am |
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yeah the kits a bit dear! |
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Dan
Site Subscriber
Joined: 28 Jan 2005
Posts: 3547
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Wed Mar 01, 2006 4:02 am |
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ok just cancelled the kit, how much is it from ren then? |
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Chris H
Forum Moderator
Joined: 02 Mar 2004
Posts: 19978
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Wed Mar 01, 2006 4:05 am |
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ren is 100 quid.
GSF is 68 quid in a ren box last time I got one. |
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Dan
Site Subscriber
Joined: 28 Jan 2005
Posts: 3547
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| Posted:
Wed Mar 01, 2006 4:10 am |
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ah right okies gsf for that then! |
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Neal
Forum Moderator
Joined: 18 Feb 2004
Posts: 7432
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Wed Mar 01, 2006 4:35 am |
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Right, I'll be having some of that... |
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Dan
Site Subscriber
Joined: 28 Jan 2005
Posts: 3547
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| Posted:
Fri Mar 03, 2006 2:31 am |
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sorry piston rings are £17.94+vat(set of 4) and all the prices quoted are trade |
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Dan
Site Subscriber
Joined: 28 Jan 2005
Posts: 3547
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| Posted:
Mon Mar 06, 2006 5:28 am |
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well today i had another parcel arrive
SO now the assembly will be done today and i'll post pics of my progress, and then i need to get the crank out of my old engine |
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