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Search took 0.02 seconds. Search: Posts Made By: taff2
Forum: Pontiac - Race 10-25-2022, 06:18 PM
Replies: 13
Views: 1,638
Posted By taff2
We like to use the st cut factory gear sets in...

We like to use the st cut factory gear sets in our TH400 builds if they are available- trouble is,they are in short supply now and pretty expensive.
We have one st. cut set in a customers 6000lb LWB...
Forum: Pontiac - Race 08-10-2021, 07:13 AM
Replies: 41
Views: 9,689
Posted By taff2
Fantastic time for sure, but it does make you...

Fantastic time for sure, but it does make you realise how good Marty Palbykins runs were back in '96 , 6.95 in a 2950 lb car using a factory block just 400 cu in engine, in a 2500 lb car that would...
Forum: Pontiac - Race 08-10-2021, 06:59 AM
Replies: 2,063
Views: 367,760
Posted By taff2
I'm with Jack, the constant childish bickering is...

I'm with Jack, the constant childish bickering is tedious, almost every tech thread is ruined.
Forum: Pontiac - Race 07-30-2021, 07:13 AM
Replies: 18
Views: 4,686
Posted By taff2
I've run ali rods in my Pontiacs with around...

I've run ali rods in my Pontiacs with around 80-100 psi cold start pressures, I used to heat the oil pan with a small electric fan heater before I started the car after leaving it stand for a few...
Forum: Pontiac - Street 06-05-2021, 08:21 AM
Replies: 76
Views: 13,927
Posted By taff2
I fully understand the principle of a torsional...

I fully understand the principle of a torsional shaft- we use more than a few in the trans we build - however,that turned down shaft has 90 degree sharp edges where the turned down section meets...
Forum: Pontiac - Street 05-31-2021, 07:29 AM
Replies: 76
Views: 13,927
Posted By taff2
I would want a minimum of .050" clearance, that...

I would want a minimum of .050" clearance, that pump shaft does oscillate in use.
Forum: Pontiac - Street 05-19-2021, 07:03 AM
Replies: 28
Views: 6,917
Posted By taff2
I ran 9.60's with a Torquer 1 intake and 2"...

I ran 9.60's with a Torquer 1 intake and 2" spacer/800 spreadbore double pumper on a mild 400, the Torquer 1 was always better suited to a higher rpm 400 (7000rpm on mine) than a 455, it also needed...
Forum: Pontiac - Race 05-08-2021, 12:25 PM
Replies: 57
Views: 10,759
Posted By taff2
I had thought of using AN8 instead of AN10 lines...

I had thought of using AN8 instead of AN10 lines for the block, but have stuck with the AN10 - I can use a restrictor 'pill' in each fitting if necessary, thanks for the advice. I have a...
Forum: Pontiac - Race 05-07-2021, 08:18 AM
Replies: 57
Views: 10,759
Posted By taff2
Not the complete set up as the engine is...

Not the complete set up as the engine is currently out while I upgrade it, here are pics of the modded 55 gph water pump.
The brass fittings in the pump send water through AN10 hoses - one to each...
Forum: Pontiac - Race 04-08-2021, 07:44 AM
Replies: 42
Views: 6,237
Posted By taff2
I recently dry decked a set of E heads, I used...

I recently dry decked a set of E heads, I used 3/8, 1/4, 1/8" NPT allen head plugs, easier than welding , and there's no chance of a porous weld or changing the heat treatment of the alloy.
I also...
Forum: Pontiac - Race 03-12-2021, 08:27 AM
Replies: 26
Views: 4,467
Posted By taff2
Well said Goatracer1, however, virtually EVERY...

Well said Goatracer1, however, virtually EVERY forum is the same, bickering, ego's and even bigger ego's, like a bunch of 14 year old girls arguing over who's make up is the best.
Forum: Pontiac - Boost 02-16-2021, 08:59 AM
Replies: 40
Views: 7,425
Posted By taff2
I knocked up a turbo kit for my Pontiac about 25...

I knocked up a turbo kit for my Pontiac about 25 years ago using reversed cast iron logs and J pipes, I tried it in draw through carb mode and blow through carb mode. It had 600hp capability but my...
Forum: Pontiac - Boost 02-13-2021, 07:22 PM
Replies: 14
Views: 2,936
Posted By taff2
I made the .250" thick x 1.00" O/D washers on...

I made the .250" thick x 1.00" O/D washers on the lathe and then hardened them (heat to cherry red and drop into cool water). You can buy thick hardened washers from engineering outlets -they are...
Forum: Pontiac - Race 01-11-2021, 06:37 AM
Replies: 11
Views: 2,377
Posted By taff2
I've had similar figures with my ali rod engines,...

I've had similar figures with my ali rod engines, 80-100 psi cold start pressures, drops to 15-20 at hot idle, usually around 70-75 at 7000 rpm. Bearing clearances on the rods .0035", crank .003"...
Forum: Pontiac - Race 01-02-2021, 06:33 PM
Replies: 34
Views: 3,328
Posted By taff2
I drilled and tapped holes in the block wall to...

I drilled and tapped holes in the block wall to use 1/2"NPT to AN10 adapter fittings - I didn't thread the core plug holes-far too big.
Forum: Pontiac - Boost 12-11-2020, 08:44 AM
Replies: 42
Views: 12,131
Posted By taff2
The old rule of thumb was .001" clearance per...

The old rule of thumb was .001" clearance per inch of journal diameter, so in your case a minimum of .00325" . I've run .003" -.0035" clearances on a n/a factory cast crank/block combo to 7000rpm,...
Forum: Pontiac - Race 12-02-2020, 08:01 AM
Replies: 5
Views: 1,635
Posted By taff2
We build stock case TH400's up to 1800 hp, got to...

We build stock case TH400's up to 1800 hp, got to use a BOP big car case with the internal strengthening ribs, thicker oil pan rails (around .350" thick) and gussets in the bell to pump area. Or our...
Forum: Pontiac - Boost 10-25-2020, 08:55 AM
Replies: 9
Views: 3,516
Posted By taff2
A lot depends on which year of block you've used...

A lot depends on which year of block you've used -some are better than others. I also believe that a short stroke light weight rotating assembly is essential for durability (not too light on the...
Forum: Pontiac - Race 10-19-2020, 04:26 PM
Replies: 5
Views: 2,418
Posted By taff2
I ran a very similar Crane solid lifter cam in my...

I ran a very similar Crane solid lifter cam in my old n/a 400, it made 575hp with ported iron heads and I ran 9.60's in a 2600lb car
Forum: Pontiac - Race 09-14-2020, 06:18 PM
Replies: 35
Views: 3,471
Posted By taff2
You epitomise Pontiac, change your user name back...

You epitomise Pontiac, change your user name back to 'PONTIAC JACK', you own it.
Forum: Pontiac - Boost 06-27-2020, 06:19 PM
Replies: 43
Views: 8,524
Posted By taff2
Try a plumbers coloured smoke pellet for the...

Try a plumbers coloured smoke pellet for the smoke, maybe a reversible vacuum cleaner to suck the smoke in and blow it into the turbo downpipe etc.
Forum: Pontiac - Boost 05-29-2020, 06:09 PM
Replies: 31
Views: 15,489
Posted By taff2
My custom solid flat tappet from Comp was 250/248...

My custom solid flat tappet from Comp was 250/248 @.050" and .600" lift on a 421 combo, and it drove like a stocker.
Forum: Pontiac - Street 04-17-2020, 06:33 AM
Replies: 53
Views: 6,539
Posted By taff2
ps, we prefer the earlier 4L80E's with the...

ps, we prefer the earlier 4L80E's with the through the main shaft oiling (same as TH400, and TH400 aftermarket parts will fit), we see no more wear on the early units compared to the late solid main...
Forum: Pontiac - Street 04-17-2020, 06:24 AM
Replies: 53
Views: 6,539
Posted By taff2
The Transgo 4L80E-3 kits makes the trans full...

The Transgo 4L80E-3 kits makes the trans full manual, it also has a vacuum modulator in the kit which is optional to fit and gives softer shifts at small throttle openings, no electronic controller...
Forum: Pontiac - Race 03-13-2020, 07:14 AM
Replies: 14
Views: 1,628
Posted By taff2
Advice from our Gov over here is basically if you...

Advice from our Gov over here is basically if you have a cough then stay indoors for 7 days! Self quarantine- yeah that's going to work! If they had stopped all inbound flights from affected...
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