Home  
Site Partners: SpotterGuides Veloce Books  
Related Sites: Your Link Here  

Go Back   TenTenths Motorsport Forum > Single Seater Racing > Club Level Single Seaters

Reply
 
Thread Tools Display Modes
Old 20 Dec 2015, 21:27 (Ref:3599005)   #1
formulaford
Rookie
 
Join Date: Feb 2011
Posts: 12
formulaford should be qualifying in the top 10 on the grid
Formula Ford Kent 1600 Compression

What are good compression figures for a Top Kent engine I'm getting around 175 to 180 psi across my 4 cylinders which I'm being told is very good, can you get more in a top hp engine. Dose the more compression give you more mid range torque and less top end?
formulaford is offline  
Quote
Old 20 Dec 2015, 23:09 (Ref:3599022)   #2
wnut
Veteran
 
Join Date: Jun 2009
Posts: 8,088
wnut has a real shot at the championship!wnut has a real shot at the championship!wnut has a real shot at the championship!wnut has a real shot at the championship!wnut has a real shot at the championship!
I have not been involved with FF for a long time, but those figures look very good. The combustion volumes were tightly regulated, so you would be limited to the compression possible with those specs.
Make very sure that you do everything by the rule book.
Are you running the specified camshaft? This will also affect the compression you are seeing.

High compression does help the power generally, but an engine is a balance of compromises to get the best possible results over the full rev range, with a given fuel. If your power drops off at high rpms due to over compressing your cam is probably working there and you are losing out where you should be making the real power.
Remember you are measuring compression at cranking speed and not where the engine is actually working.

Tip: Go and sort out the rest of the car and gain experience before you even think about more power! Engine tuning is a large black hole that you can pour all your money down with a very low return.
wnut is offline  
Quote
Old 23 Dec 2015, 02:26 (Ref:3599580)   #3
formulaford
Rookie
 
Join Date: Feb 2011
Posts: 12
formulaford should be qualifying in the top 10 on the grid
No Worries I've owned quite a few Formula Fords over the years and had engines that had only 120-130 compression and won races in cars that had around 165 to 175psi and also engine with 180psi that had 107hp had great mid range torque that didn't drop off , all engines were fully legal and tested, was just curious what other competitors have or have had with different engines.
formulaford is offline  
Quote
Old 24 Dec 2015, 19:13 (Ref:3600010)   #4
GORDON STREETER
Veteran
 
GORDON STREETER's Avatar
 
Join Date: Nov 2006
Spain
Kent+Mojacar Spain, but not always ?
Posts: 9,400
GORDON STREETER is going for a new world record!GORDON STREETER is going for a new world record!GORDON STREETER is going for a new world record!GORDON STREETER is going for a new world record!GORDON STREETER is going for a new world record!GORDON STREETER is going for a new world record!GORDON STREETER is going for a new world record!
Unless you are using the same pressure gauge with the same throttle opening then readings don't tell the whole story.
What is more important is that they are all the "Samish" otherwise there will obviously be an imbalance that will affect torque, and that is more important in a limited HP car.
As FF are limited with what you can do regarding tuning, cam timing is one thing that most people play about with to get a compromise and as pointed out will affect compression.
GORDON STREETER is offline  
__________________
Balls of steel (knob of butter) They're Asking For Larkins. ( Proper beer) not you're Eurofizz crap. Hace más calor en España. Me han conocido a hablar un montón cojones! Send any cheques and cash to PO box 1 Lagos Nigeria Africa !
Quote
Reply

Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off

Forum Jump

Similar Threads
Thread Thread Starter Forum Replies Last Post
Formula Ford 1600 (Kent) at Bathurst Feb 2012 Jacal Club Level Single Seaters 2 20 Nov 2011 07:39
Formula Ford 1600 Kent - Webber Tuning/Power Loss jay_nation Club Level Single Seaters 9 5 Sep 2010 18:27
Formula for calculating deck height on stnd 1600 Kent? dikko Racing Technology 8 2 Jan 2009 12:16
Kent 1600 8v F.Ford primary pipe diameter???? knighty Club Level Single Seaters 4 22 Feb 2006 15:02


All times are GMT. The time now is 22:42.


Powered by vBulletin® Version 3.8.11
Copyright ©2000 - 2024, vBulletin Solutions Inc.
Original Website Copyright © 1998-2003 Craig Antil. All Rights Reserved.
Ten-Tenths Motorsport Forums Copyright © 2004-2021 Royalridge Computing. All Rights Reserved.
Ten-Tenths Motorsport Forums Copyright © 2021-2022 Grant MacDonald. All Rights Reserved.