QUESTIONS AND ANSWERS FROM EXPERTS

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Forum Future and GC contact details

Last post by Spider 1969 « July 12th, 2019, 7:50 pm
Replies: 1
by Guy Croft » July 12th, 2019, 2:15 pm

1 Replies

108807 Views

Last post by Spider 1969
July 12th, 2019, 7:50 pm
IMPORTANT - save your post!

Last post by Guy Croft « August 13th, 2013, 5:06 pm
Posted in General Tuning Hints

by Guy Croft » August 13th, 2013, 5:06 pm » in General Tuning Hints

0 Replies

1934220 Views

Last post by Guy Croft
August 13th, 2013, 5:06 pm
PROTOCOLS - updated by GUY CROFT MAY 2020

Last post by Guy Croft « July 18th, 2013, 11:43 am
Posted in General Tuning Hints

by Guy Croft » July 18th, 2013, 11:43 am » in General Tuning Hints

0 Replies

1844506 Views

Last post by Guy Croft
July 18th, 2013, 11:43 am

Topics

Replies

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Last post

Oil choice- Castrol replacement-

Last post by miro-1980 « May 19th, 2009, 11:45 pm
Replies: 3
by Robert » May 19th, 2009, 8:31 am

3 Replies

7932 Views

Last post by miro-1980
May 19th, 2009, 11:45 pm
Fiat X1/9 1600 DCNF jetting

Last post by Guy Croft « May 19th, 2009, 10:03 am
Replies: 1
by rust4life » May 16th, 2009, 2:06 pm

1 Replies

7505 Views

Last post by Guy Croft
May 19th, 2009, 10:03 am
Preparing a Fiat TC 1438 head

Last post by robert kenney « May 12th, 2009, 1:28 am
Replies: 16
by tlilguy » April 15th, 2009, 4:22 pm
1

2
16 Replies

35627 Views

Last post by robert kenney
May 12th, 2009, 1:28 am
Audi Quattro rebuild

Last post by Guy Croft « May 9th, 2009, 12:53 pm
Replies: 16
by Alan » April 30th, 2009, 10:54 am
1

2
16 Replies

28960 Views

Last post by Guy Croft
May 9th, 2009, 12:53 pm
8v integrale head bolts "leaking"

Last post by Guy Croft « May 8th, 2009, 4:41 pm
Replies: 3
by Uros Piperski » May 7th, 2009, 11:27 pm

3 Replies

8511 Views

Last post by Guy Croft
May 8th, 2009, 4:41 pm
Fiat TC head with casting no 5991740

Last post by Guy Croft « May 7th, 2009, 3:16 pm
Replies: 4
by marcin_FSO » April 30th, 2009, 6:17 pm

4 Replies

11445 Views

Last post by Guy Croft
May 7th, 2009, 3:16 pm
Uno turbo increased capacity

Last post by myte128 « May 7th, 2009, 8:21 am
Replies: 2
by x19Dave » May 5th, 2009, 3:36 pm

2 Replies

6857 Views

Last post by myte128
May 7th, 2009, 8:21 am
Exhaust sizing SOHC

Last post by James Bowen « May 5th, 2009, 9:40 pm
Replies: 15
by James Bowen » May 21st, 2008, 9:48 pm
1

2
15 Replies

81816 Views

Last post by James Bowen
May 5th, 2009, 9:40 pm
digiplex question

Last post by midge « April 29th, 2009, 12:03 am
Replies: 4
by midge » April 25th, 2009, 12:34 am

4 Replies

10708 Views

Last post by midge
April 29th, 2009, 12:03 am
Toyota 7M-GE head work questions

Last post by amichie « April 25th, 2009, 10:35 am
Replies: 8
by amichie » March 15th, 2009, 11:26 am

8 Replies

17023 Views

Last post by amichie
April 25th, 2009, 10:35 am
Inlet port & rampipe entry section shape

Last post by 1NRO « April 23rd, 2009, 8:09 pm
Replies: 8
by vcg » April 19th, 2009, 8:36 pm

8 Replies

15814 Views

Last post by 1NRO
April 23rd, 2009, 8:09 pm
Squish Zones - Is there an optimum clearance?

Last post by Guy Croft « April 23rd, 2009, 7:33 am
Replies: 1
by Neal H » April 22nd, 2009, 9:41 pm

1 Replies

6121 Views

Last post by Guy Croft
April 23rd, 2009, 7:33 am
Dished valves

Last post by Guy Croft « April 23rd, 2009, 7:25 am
Replies: 1
by Boyracer » April 22nd, 2009, 8:54 pm

1 Replies

5673 Views

Last post by Guy Croft
April 23rd, 2009, 7:25 am
S1600 Peugeot/Citroen head development

Last post by SteveninNI « April 21st, 2009, 12:54 pm
Replies: 15
by SteveninNI » February 25th, 2008, 10:19 am
1

2
15 Replies

36512 Views

Last post by SteveninNI
April 21st, 2009, 12:54 pm
Detonation and blown cylinder head gasket (Fiat TIPO-SOHC)

Last post by unomas « April 15th, 2009, 1:08 pm
Replies: 7
by unomas » April 10th, 2009, 2:52 pm

7 Replies

16224 Views

Last post by unomas
April 15th, 2009, 1:08 pm
Crankshaft ID

Last post by Jon_Logan « April 1st, 2009, 2:45 am
Replies: 1
by Jon_Logan » March 31st, 2009, 8:52 pm

1 Replies

6930 Views

Last post by Jon_Logan
April 1st, 2009, 2:45 am
Valve guide misalignment problem.

Last post by Guy Croft « March 30th, 2009, 12:58 pm
Replies: 4
by 4v6 » March 24th, 2009, 4:21 pm

4 Replies

9652 Views

Last post by Guy Croft
March 30th, 2009, 12:58 pm
Twin cam sump gaskets

Last post by Guy Croft « March 30th, 2009, 7:47 am
Replies: 1
by Testament » March 29th, 2009, 9:48 pm

1 Replies

5490 Views

Last post by Guy Croft
March 30th, 2009, 7:47 am
131 Abarth spark plugs

Last post by Guy Croft « March 25th, 2009, 9:26 am
Replies: 11
by Peter de Wit » March 23rd, 2009, 11:07 am

11 Replies

22143 Views

Last post by Guy Croft
March 25th, 2009, 9:26 am
Fiat 131, 2 liter coolant flow question?

Last post by Guy Croft « March 24th, 2009, 8:45 am
Replies: 3
by miro-1980 » March 21st, 2009, 9:32 pm

3 Replies

10164 Views

Last post by Guy Croft
March 24th, 2009, 8:45 am
Constantin Supercharger (French Roots type)

Last post by robert kenney « March 18th, 2009, 10:52 pm
Replies: 5
by Pelle_Racing » March 7th, 2009, 6:16 pm

5 Replies

11218 Views

Last post by robert kenney
March 18th, 2009, 10:52 pm
Exhaust gaz temperature

Last post by Robert « March 17th, 2009, 9:30 pm

by Robert » March 17th, 2009, 9:30 pm

0 Replies

4406 Views

Last post by Robert
March 17th, 2009, 9:30 pm
Fiat TC 2.0Lt Max Power

Last post by Guy Croft « March 16th, 2009, 9:49 am
Replies: 1
by vcg » March 15th, 2009, 5:26 pm

1 Replies

5863 Views

Last post by Guy Croft
March 16th, 2009, 9:49 am
Zastava Yugo 65 autocross engine questions

Last post by Terrot350 « March 6th, 2009, 5:59 pm
Replies: 8
by Terrot350 » February 5th, 2009, 2:49 pm

8 Replies

20732 Views

Last post by Terrot350
March 6th, 2009, 5:59 pm
Lightened flywheels / protection

Last post by Guy Croft « February 26th, 2009, 10:18 am
Replies: 1
by chrislandy » February 26th, 2009, 9:07 am

1 Replies

5682 Views

Last post by Guy Croft
February 26th, 2009, 10:18 am
Lancia 2.0 16v turbo, damaged 2nd piston

Last post by nabilhpe « February 23rd, 2009, 5:53 pm
Replies: 2
by nabilhpe » February 23rd, 2009, 3:04 pm

2 Replies

6318 Views

Last post by nabilhpe
February 23rd, 2009, 5:53 pm
Oil pump flow rate

Last post by Guy Croft « February 20th, 2009, 9:08 am
Replies: 5
by Robert » February 16th, 2009, 8:35 pm

5 Replies

9659 Views

Last post by Guy Croft
February 20th, 2009, 9:08 am
Airbox dimensioning/filter position

Last post by Guy Croft « February 18th, 2009, 10:01 am
Replies: 1
by Robert » February 16th, 2009, 8:21 pm

1 Replies

5490 Views

Last post by Guy Croft
February 18th, 2009, 10:01 am
Volumex on DCNF 40

Last post by Guy Croft « February 16th, 2009, 11:20 am
Replies: 4
by pewe484 » January 28th, 2009, 1:25 pm

4 Replies

14102 Views

Last post by Guy Croft
February 16th, 2009, 11:20 am
Suggested Head torque for a Fiat 131 Abarth?

Last post by Guy Croft « February 13th, 2009, 4:02 pm
Replies: 16
by RedLexus » February 9th, 2009, 11:34 pm
1

2
16 Replies

23380 Views

Last post by Guy Croft
February 13th, 2009, 4:02 pm
Oil Jet for Lancia Dedra turbo

Last post by integrale « February 13th, 2009, 12:31 pm
Replies: 4
by integrale » February 11th, 2009, 7:25 pm

4 Replies

11246 Views

Last post by integrale
February 13th, 2009, 12:31 pm
Fiat TC 8v camshaft end float

Last post by Uros Piperski « February 11th, 2009, 10:05 pm
Replies: 2
by Uros Piperski » February 10th, 2009, 10:30 pm

2 Replies

6683 Views

Last post by Uros Piperski
February 11th, 2009, 10:05 pm
Short side radius (SSR) profiles and effects

Last post by Guy Croft « February 11th, 2009, 10:36 am
Replies: 2
by Chris S » February 4th, 2009, 4:37 pm

2 Replies

9020 Views

Last post by Guy Croft
February 11th, 2009, 10:36 am
Fiat 2000 TC fast-road cam selection?

Last post by vandor « February 11th, 2009, 3:26 am
Replies: 2
by vandor » February 9th, 2009, 7:24 pm

2 Replies

6880 Views

Last post by vandor
February 11th, 2009, 3:26 am
New piston born, GC D21 Integrale 8 valve

Last post by tmvolumex « February 10th, 2009, 5:05 pm
Replies: 4
by tmvolumex » February 6th, 2009, 5:19 pm

4 Replies

8493 Views

Last post by tmvolumex
February 10th, 2009, 5:05 pm
Valve seat angles and effects

Last post by Guy Croft « February 10th, 2009, 8:31 am
Replies: 3
by Chris S » February 4th, 2009, 4:14 pm

3 Replies

11290 Views

Last post by Guy Croft
February 10th, 2009, 8:31 am
Power, Torque and "X"

Last post by Guy Croft « February 9th, 2009, 5:47 pm
Replies: 4
by Neal H » February 2nd, 2009, 10:15 am

4 Replies

9088 Views

Last post by Guy Croft
February 9th, 2009, 5:47 pm
Flow of the 306 XSI manifold?

Last post by Guy Croft « February 6th, 2009, 8:44 am
Replies: 11
by SaveIt » January 12th, 2009, 8:55 pm

11 Replies

26599 Views

Last post by Guy Croft
February 6th, 2009, 8:44 am
Which Injectors?

Last post by pacman « February 5th, 2009, 7:36 am
Replies: 6
by cuthbert » February 3rd, 2009, 8:28 pm

6 Replies

12936 Views

Last post by pacman
February 5th, 2009, 7:36 am
Front crankshaft oil seal jumping out from housing

Last post by robert kenney « February 2nd, 2009, 6:42 pm
Replies: 9
by Walezy » January 28th, 2009, 8:36 pm

9 Replies

12836 Views

Last post by robert kenney
February 2nd, 2009, 6:42 pm
Lancia Beta breather ports query

Last post by Stratman « January 29th, 2009, 2:25 pm
Replies: 4
by Stratman » January 29th, 2009, 12:06 pm

4 Replies

8558 Views

Last post by Stratman
January 29th, 2009, 2:25 pm
Measuring port velocities

Last post by superbike « January 26th, 2009, 2:12 am
Replies: 26
by CraigAPD » January 3rd, 2009, 5:52 pm
1

2
26 Replies

40813 Views

Last post by superbike
January 26th, 2009, 2:12 am
Intake port design questions

Last post by superbike « January 26th, 2009, 1:30 am
Replies: 5
by amichie » January 18th, 2009, 11:08 am

5 Replies

12569 Views

Last post by superbike
January 26th, 2009, 1:30 am
Engine weight

Last post by tmvolumex « January 23rd, 2009, 7:39 pm
Replies: 8
by dp » January 18th, 2009, 11:35 pm

8 Replies

19455 Views

Last post by tmvolumex
January 23rd, 2009, 7:39 pm
Fiat Tempra 16v Twin Cams - Rods/Pistons

Last post by tempra16v « January 23rd, 2009, 5:11 pm
Replies: 8
by tempra16v » January 21st, 2009, 3:32 pm

8 Replies

17904 Views

Last post by tempra16v
January 23rd, 2009, 5:11 pm
1988 integrale 8v oil jets

Last post by Uros Piperski « January 20th, 2009, 8:50 pm
Replies: 15
by Uros Piperski » December 5th, 2008, 12:00 am
1

2
15 Replies

31539 Views

Last post by Uros Piperski
January 20th, 2009, 8:50 pm
VX to Delta Integrale cam swap?

Last post by Fingers « January 17th, 2009, 3:03 am
Replies: 2
by Fingers » January 15th, 2009, 4:47 am

2 Replies

5946 Views

Last post by Fingers
January 17th, 2009, 3:03 am
Crack underneath valve seat

Last post by Guy Croft « January 15th, 2009, 9:03 am
Replies: 1
by Christoph Thuerey » January 13th, 2009, 6:38 pm

1 Replies

5356 Views

Last post by Guy Croft
January 15th, 2009, 9:03 am
Cams for VX Race motor

Last post by Testament « January 13th, 2009, 9:39 pm
Replies: 15
by Testament » January 25th, 2008, 9:02 am
1

2
15 Replies

24802 Views

Last post by Testament
January 13th, 2009, 9:39 pm
Injector Spray Patterns

Last post by Neal H « January 5th, 2009, 10:48 pm
Replies: 4
by Neal H » December 19th, 2008, 7:06 pm

4 Replies

9787 Views

Last post by Neal H
January 5th, 2009, 10:48 pm

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