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Showing results 1 to 25 of 26
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Posts Made By:
taff2
Forum:
Pontiac - Race
10-25-2022, 06:18 PM
Replies:
13
TH400 Straight-Cut Planetaries Stronger or not
Views:
1,981
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
Fastest Pontiac Door Cars List
Views:
10,613
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:
2,084
Twin Turbo 535 RA-V Build
Views:
394,207
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
WIX 51258 Oil Filter
Views:
5,193
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
Oil pump drive shaft
Views:
14,880
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
Oil pump drive shaft
Views:
14,880
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
Old School 445 Build
Views:
7,256
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
dry deck coolant plumbing
Views:
11,706
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
dry deck coolant plumbing
Views:
11,706
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
Found my issue...anyone have issues with SCE copper head gaskets?
Views:
6,915
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
Chiefs Cv-1s "reposesed"
Views:
4,679
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
Keep me from building an LS.....
Views:
7,837
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
E-head inserts
Views:
3,072
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
Oil Pressure
Views:
2,558
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
Dry deck water passages
Views:
3,798
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
MR1 block questions...
Views:
12,624
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
Speedmaster T400 sfi case
Views:
1,748
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
Is this short block a little overkill?
Views:
3,636
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
Crane Cam 284071
Views:
2,532
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
Rookie Racer
Views:
3,691
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
Boost leak
Views:
8,810
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
Camshaft suggestions for a 496ci TT
Views:
16,181
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
Are all 4L80e's the same?
Views:
7,580
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
Are all 4L80e's the same?
Views:
7,580
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
Before you head to the track this weekend
Views:
1,743
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...
Showing results 1 to 25 of 26
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