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Search: Posts Made By: B20Paul
Forum: performance & modifications 03-07-2019, 09:33 PM
Replies: 121
Views: 62,336
Posted By B20Paul
Great Work Shoestring!! I've measured 2...

Great Work Shoestring!!

I've measured 2 dozen B20 cams, so I know how much time and effort this takes.

Stupid question number one: What is the HOT running clearence of these things?

Also,...
Forum: performance & modifications 03-15-2017, 05:54 PM
Replies: 36
Views: 8,934
Posted By B20Paul
Agreed, I think 3.73 for T cam, 4.10 for a decent...

Agreed, I think 3.73 for T cam, 4.10 for a decent street cam.
Forum: performance & modifications 03-15-2017, 05:49 PM
Replies: 36
Views: 8,934
Posted By B20Paul
3.73 is the shortest diff for your carrier, 3.91,...

3.73 is the shortest diff for your carrier, 3.91, 4.10, 4.30, etc. has a different carrier.

So you have AW71, 3.73 and that gave you cruise rpm of 3100 @ 70mph? That seem very wrong to me....
Forum: performance & modifications 03-08-2017, 03:24 PM
Replies: 26
Views: 5,268
Posted By B20Paul
You need to pull the square plug, clean the...

You need to pull the square plug, clean the strainer, and see how close to the bottom the pickup gets. Bending the pickup downwards requiers some thought....

In my twin Dellorto car, I used the E...
Forum: performance & modifications 03-08-2017, 02:53 PM
Replies: 25
Views: 8,001
Posted By B20Paul
Good point. What about the opposite? What do...

Good point.

What about the opposite? What do you use for a pilot bearing in a T5 conversion?
Forum: performance & modifications 03-08-2017, 02:34 PM
Replies: 20
Views: 4,483
Posted By B20Paul
My limited understanding of running positive...

My limited understanding of running positive camber on 140's is that it's a throwback to whats required for old rag tyres, I dunno why they would use positive camber on a 240 strut at all, maybe to...
Forum: performance & modifications 03-08-2017, 02:25 PM
Replies: 20
Views: 4,483
Posted By B20Paul
It's the macpherson strut suspension that chews...

It's the macpherson strut suspension that chews the tyres, buy a cheaply designed front end and you pay for it in tyre wear. 195 is the absolute limit on 6" rims too, when I widened my 140 rims to...
Forum: performance & modifications 03-08-2017, 01:54 PM
Replies: 168
Views: 46,225
Posted By B20Paul
Early B20 rods are a very worthy upgrade and a...

Early B20 rods are a very worthy upgrade and a direct replacement if you like turning some big rpms.

When you are torquing down the rod bolts, make sure they feel all the same and turn the same...
Forum: performance & modifications 03-05-2017, 03:00 PM
Replies: 168
Views: 46,225
Posted By B20Paul
I've never used the stuff.

I've never used the stuff.
Forum: performance & modifications 03-05-2017, 02:16 PM
Replies: 168
Views: 46,225
Posted By B20Paul
Surely the tappered plastigauge implies bent...

Surely the tappered plastigauge implies bent conrods. Look at the pistons for rubbing front and rear.

Do you have a set of early B20 rods in it?
Forum: performance & modifications 03-03-2017, 03:41 PM
Replies: 138
Views: 38,505
Posted By B20Paul
Industry standard? I read that rubbish along with...

Industry standard? I read that rubbish along with Smokey Yunick's long rod bs back in the '80's .An SBC does not need 10psi/1000rpm & no amount of pressure will help a Clevo without some restrictors...
Forum: performance & modifications 03-03-2017, 03:17 PM
Replies: 138
Views: 38,505
Posted By B20Paul
Why? For O rings, I either put a regular...

Why?

For O rings, I either put a regular round O ring behind the factory square section to stop it blowing out when cold OR use a trio of regular O rings each end.

Why is there a big dent in...
Forum: performance & modifications 03-03-2017, 02:56 PM
Replies: 168
Views: 46,225
Posted By B20Paul
Classic valve float hammers them in. When...

Classic valve float hammers them in. When upgraded to decent springs the keepers don't hammer in tight and the valve grind lasts many times longer and it has to help the rest of the valvetrain too.
Forum: performance & modifications 03-03-2017, 02:44 PM
Replies: 26
Views: 5,268
Posted By B20Paul
E/F tanks have a 1/2" pickup, A/B tanks ony...

E/F tanks have a 1/2" pickup, A/B tanks ony 5/16", NOT ENOUGH. If level, the E tank picks up the whole 58 litres.

I like the Nissan regulator.
Forum: performance & modifications 02-13-2016, 12:27 PM
Replies: 181
Views: 34,180
Posted By B20Paul
:roll: The Pikes Peak Pug is a streched group B...

:roll: The Pikes Peak Pug is a streched group B 205T16 with 405 body work. They made it longer to fit more fuel in for the Dakar, the motor grew a few more cubes and little else changed.


...
Forum: performance & modifications 02-13-2016, 10:45 AM
Replies: 18
Views: 3,676
Posted By B20Paul
Use the Stretch method for rod bolts! Using a...

Use the Stretch method for rod bolts! Using a torque wrench is not much better than guessing.
Forum: performance & modifications 01-09-2016, 06:43 PM
Replies: 181
Views: 34,180
Posted By B20Paul
1988 rally Pug and the 1988 Pikes Peak Pug are...

1988 rally Pug and the 1988 Pikes Peak Pug are the same thing! :roll: Just the navigators seat is deleted.
Forum: performance & modifications 01-09-2016, 06:36 PM
Replies: 181
Views: 34,180
Posted By B20Paul
Installing 4 sleeves PROPERLY, i.e furnace...

Installing 4 sleeves PROPERLY, i.e furnace brazed, will cost you more than a B234 16V head. The fastest Volvo I ever heard of is at Humpbackracing, they use a B21 block with a B234 head, thus...
Forum: performance & modifications 01-09-2016, 03:09 PM
Replies: 181
Views: 34,180
Posted By B20Paul
You reckon Vatanen's Pug had just 370-380hp when...

You reckon Vatanen's Pug had just 370-380hp when it flogged everything up Pikes Peak?. Rod Millen claimed 1000hp when he beat Vatanen's record.
Forum: performance & modifications 01-01-2016, 04:25 PM
Replies: 32
Views: 5,417
Posted By B20Paul
You need a radius or 45° angle at the edge too....

You need a radius or 45° angle at the edge too. Backcut angle varies too. Putting a 30° backcut on a 35mm valve with the stock port floor doesn't work, but it does with a built up SSR. 30° backcut...
Forum: performance & modifications 12-28-2015, 04:31 PM
Replies: 35
Views: 13,146
Posted By B20Paul
That sounds terrible, like the cam is retarded...

That sounds terrible, like the cam is retarded serverly or a really bad port and vavle grind.

That chart is fairly useless too, F2 emulsion tubes are for alcohol. I'd stay with F16 until you sort...
Forum: performance & modifications 12-26-2015, 12:42 PM
Replies: 32
Views: 5,417
Posted By B20Paul
Any reason you can't use a B20 head? ...

Any reason you can't use a B20 head?
Hypereutectic pistons work fine for anything NA, but for turbo, you want forged.
Any reason you can't bore the B18 out to 3.5"?
Type IV VW valves are the same...
Forum: performance & modifications 09-20-2015, 02:31 PM
Replies: 41
Views: 9,266
Posted By B20Paul
How much $ for the custom size Cometic? Why...

How much $ for the custom size Cometic?

Why did the gasket fail? Overheat? Detonation? Did have a look at the top ring?
Forum: performance & modifications 09-03-2015, 07:04 AM
Replies: 6
Views: 1,605
Posted By B20Paul
Another Q: What is the hot running clearences on...

Another Q: What is the hot running clearences on these things? Can't know seat to seat timing without that. Vital.
Forum: performance & modifications 09-03-2015, 06:55 AM
Replies: 3
Views: 1,864
Posted By B20Paul
:oops:

:oops:
Forum: performance & modifications 09-03-2015, 06:50 AM
Replies: 3
Views: 1,864
Posted By B20Paul
How much lift does your heron head allow you to...

How much lift does your heron head allow you to have? I prefer DHLA to DCOE, they always seem easier to tune. Just so long you don't have the G model.

One throttle per cylinder lets you run long...
Forum: performance & modifications 09-03-2015, 06:32 AM
Replies: 6
Views: 1,605
Posted By B20Paul
That's what I'm looking for! But it won't let me...

That's what I'm looking for! But it won't let me join so I can see the pics. Interesting that the K & D look so similar. I can't understand why, people like the VX cam, is it because it's smog legal?
Forum: performance & modifications 09-03-2015, 05:27 AM
Replies: 41
Views: 9,266
Posted By B20Paul
Is there a reason you don't like Elring head...

Is there a reason you don't like Elring head gasket?

The factory Elring is oval shaped 90.5mm wide, 92mm long crushed. I take my heads out to 92mm long to deshourd the valves and if the the goes...
Forum: performance & modifications 08-24-2015, 03:25 PM
Replies: 6
Views: 1,605
Posted By B20Paul
Thank you all for the speedy replies! :)

Thank you all for the speedy replies! :)
Forum: performance & modifications 08-23-2015, 05:42 PM
Replies: 19
Views: 3,341
Posted By B20Paul
I was search for cam info, and this was one that...

I was search for cam info, and this was one that popped up.
Forum: performance & modifications 08-23-2015, 05:14 PM
Replies: 6
Views: 1,605
Posted By B20Paul
B21/B23/B230 Cams

Is there a thread that has actuaL MEASURED duration & lift of B21/B23/B230 cams, factory or other?

Where do you all get new or reground cams from?

TIA :-D
Forum: performance & modifications 08-23-2015, 04:55 PM
Replies: 19
Views: 3,341
Posted By B20Paul
Oops, 12 months later, what did you end up doing?...

Oops, 12 months later, what did you end up doing?

The 3702 has only 194°/214°@.050". It has nil overlap so all you need is anything that lets the head flow, if I was making headers for this or...
Forum: performance & modifications 08-19-2015, 06:22 PM
Replies: 41
Views: 9,266
Posted By B20Paul
You are probably thinking of the dowels that...

You are probably thinking of the dowels that stick out the side of the head on B20E/F donks.

B30's OTOH, have dowels, a nice touch, they have a very nice harmonic balancer on the front, evenly...
Forum: performance & modifications 08-19-2015, 06:06 PM
Replies: 41
Views: 9,266
Posted By B20Paul
There is no benefit this side of 200HP or...

There is no benefit this side of 200HP or 7000rpms. The stock parts work fine. If you are going away from the stock head bolts, you will need to shave the TOP of the head to eliminate the dents where...
Forum: performance & modifications 10-03-2014, 07:05 PM
Replies: 25
Views: 5,902
Posted By B20Paul
351 is going to be more trouble then it's worth,...

351 is going to be more trouble then it's worth, unless your aim is to stroke out to 400".

I would go with a 5.0 bottom stroked to 331(3.25" stroke), top with some good heads. I like 3V heads,...
Forum: performance & modifications 08-21-2014, 12:26 PM
Replies: 18
Views: 1,896
Posted By B20Paul
I've changed my mind! 2.5" mild steel exhaust has...

I've changed my mind! 2.5" mild steel exhaust has a 2.34" ID, which isn't big enough for a 2.5" hole in the outlet of your T3, so it has to have a 3" downpipe, which i would split in to twin 2" pipes...
Forum: performance & modifications 08-20-2014, 03:51 PM
Replies: 18
Views: 1,896
Posted By B20Paul
If the turbo has a 2.5" hole, then 2.5" pipework...

If the turbo has a 2.5" hole, then 2.5" pipework flows enough, 3" flows no more. So I would use 2.5" from the turbo to the first muffler, then use 3" muffler(s), 3" over the axel pipe, and if you...
Forum: performance & modifications 08-16-2014, 02:19 PM
Replies: 18
Views: 1,896
Posted By B20Paul
How big is the hole in the turbo? That gives you...

How big is the hole in the turbo? That gives you a huge clue to how big the pipe should be.
Forum: performance & modifications 08-15-2014, 04:07 AM
Replies: 79
Views: 11,756
Posted By B20Paul
The 400 bore x 350 stroke SBC was a bad combo,...

The 400 bore x 350 stroke SBC was a bad combo, the 350 bore with a 400 crank is the hugely popular & successful 383.
Forum: performance & modifications 08-15-2014, 03:23 AM
Replies: 20
Views: 2,402
Posted By B20Paul
Group A 242's had 4x4 front end parts grafted...

Group A 242's had 4x4 front end parts grafted onto each end, same as the V8 Fords & Holdens did here.
Forum: performance & modifications 08-15-2014, 03:06 AM
Replies: 20
Views: 2,402
Posted By B20Paul
My bad, I thought he said he had a Dana 30 in it.

My bad, I thought he said he had a Dana 30 in it.
Forum: performance & modifications 08-14-2014, 01:25 PM
Replies: 52
Views: 8,485
Posted By B20Paul
I can take a pic of my fav cam & show it to you,...

I can take a pic of my fav cam & show it to you, I keep a spare in the cupboard.

What does it have in it now? Get your degree wheel & dial indicator out & measure!

If you have dual springs, you...
Forum: performance & modifications 08-14-2014, 12:53 PM
Replies: 52
Views: 8,485
Posted By B20Paul
Not a metallurgy problem. The early cams had...

Not a metallurgy problem. The early cams had shocking lobe to lifter alignment which would result in the lobe & lifter centrelines lining up, then the lifter dosen't spin & it's just a matter of...
Forum: performance & modifications 08-14-2014, 12:33 PM
Replies: 52
Views: 8,485
Posted By B20Paul
Somewhat. Tweaking the MPS properly, you can get...

Somewhat. Tweaking the MPS properly, you can get 30% more fuel out of your D-Jet. 90.5mm overbore, a K cam & a good head will use that much fuel up.
Forum: performance & modifications 08-14-2014, 12:07 PM
Replies: 20
Views: 2,402
Posted By B20Paul
What on earth makes you think old Volvo's have...

What on earth makes you think old Volvo's have weak axles?

120's are 200+lbs lighter than 140's on the rear tyres, so rear discs aren't that essential to a 120.
Forum: performance & modifications 08-14-2014, 11:29 AM
Replies: 19
Views: 3,341
Posted By B20Paul
How big is your intended cam?

How big is your intended cam?
Forum: performance & modifications 08-14-2014, 11:17 AM
Replies: 19
Views: 3,341
Posted By B20Paul
Merge collectors & X-pipes give me a chubby.

Merge collectors & X-pipes give me a chubby.
Forum: performance & modifications 08-14-2014, 11:11 AM
Replies: 79
Views: 11,756
Posted By B20Paul
That as pictured will work fine with. How deep is...

That as pictured will work fine with. How deep is the combustion chamber relative to stock? With the sides of the combustion chamber beeing tapered, it gets smaller as you shave, perhaps it is deeper...
Forum: performance & modifications 06-13-2014, 01:52 PM
Replies: 23
Views: 1,648
Posted By B20Paul
140 rear suspension is great under acceration and...

140 rear suspension is great under acceration and deceleration, it squats both ways due to torque rod location and the butterfly bushes. Same brakes as a 240, but I was able to delete the...
Forum: performance & modifications 06-11-2014, 06:27 PM
Replies: 21
Views: 5,173
Posted By B20Paul
Great work getting the Solexes working, I'm...

Great work getting the Solexes working, I'm amazed. Be careful, with the full throttle mixture at peak torque rpms, it's likely to be lean. Boat engines only deliver full throttle power at maximum...
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