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2026-08-14T12:58:22Z
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https://wikilec.com/view/Compression_test
Compression test
2009-10-25T21:57:31Z
<p>Mike H: </p>
<hr />
<div>Compression test values for reference.<br />
<br />
"Compression mods" includes any work that might have altered the stock compression ratio, including custom pistons or rods, head skim or spacers/shims. <br />
<br />
{| border="1" cellspacing="0" cellpadding="5" align="center"<br />
! user <br />
! year <br />
! model <br />
! age <br />
! mileage <br />
! warm/cold <br />
! wet/dry <br />
! pressures <br />
! strokes <br />
! tester<br />
! compression mods<br />
|-<br />
| ashm <br />
| 1991 <br />
| SE Turbo <br />
| 18 <br />
| 59k <br />
| warm <br />
| dry <br />
| 170/170/165/165 <br />
| 4/4/5/5<br />
| Gunsons <br />
| none<br />
|-<br />
| Monty<br />
| 1990 <br />
| SE Turbo <br />
| 19 <br />
| 84k <br />
| warm <br />
| dry <br />
| 160/150/155/160 <br />
| 5 to 6<br />
| Screwfix<br />
| Throttle fully open, Head skimmed<br />
|-<br />
| Dico<br />
| 1993<br />
| SE Turbo <br />
| 16<br />
| 47k <br />
| warm <br />
| dry <br />
| 160/155/155/160 <br />
| 5 to 6<br />
| <br />
| Throttle fully open<br />
|-<br />
| Rambo<br />
| <br />
| <br />
| <br />
| <br />
| <br />
| <br />
| 160/160/160/160 <br />
| <br />
| <br />
| <br />
|-<br />
| chrishewett<br />
| <br />
| <br />
| <br />
| <br />
| <br />
| <br />
| 165/165/165/165 <br />
| <br />
| <br />
| <br />
|-<br />
| RichieP<br />
| <br />
| <br />
| <br />
| <br />
| <br />
| <br />
| 140/140/140/140 <br />
| <br />
| <br />
| <br />
|-<br />
| andyhaworth<br />
| <br />
| <br />
| <br />
| <br />
| <br />
| <br />
| 150/150/150/150 <br />
| <br />
| <br />
| <br />
|-<br />
| MikeyDude<br />
| <br />
| <br />
| <br />
| <br />
| cold<br />
| dry<br />
| 158/153/145/150 <br />
| <br />
| <br />
| <br />
|-<br />
| Mike_H<br />
| 1991<br />
| Turbo<br />
| 18<br />
| 40000<br />
| warm<br />
| dry<br />
| 185/180/175/175 <br />
| 5<br />
| Gunsons<br />
| Throttle open<br />
|}<br />
<br />
<br />
<br />
Monty: Test done with engine up to running temp, Throttle fully open, all spark plugs removed. Engine turned over approx 6 revolutions per each test.<br />
Used compression tester from Screwfix <br />
http://www.screwfix.com/prods/16856/Van-Car-Accessories/Mechanics-Tools/Compression-Tester?cm_mmc=GoogleBase-_-Datafeed-_-Van%20and%20Car%20Accessories-_-Compression%20Tester#<br />
<br />
<br />
[[Image:monty.jpg]]</div>
Mike H