Type 4 rebuild questions |
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Type 4 rebuild questions |
mepstein |
Nov 19 2018, 08:14 PM
Post
#1
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914-6 GT in waiting Group: Members Posts: 19,271 Joined: 19-September 09 From: Landenberg, PA/Wilmington, DE Member No.: 10,825 Region Association: MidAtlantic Region |
What can I do to rebuild my 1.7 for more HP and torque but keep the original d-jet.
piston and cylinders crank camshaft heads ? I know I can't change the cam too much but is there one that will do better and still work with d-jet. I know there is modern FI but I'm not interested. No carbs. I'm not looking for all out HP or dropping 10K on an engine kit. I just want a nice bump in power, if possible, while keeping a stock looking engine. |
mepstein |
Nov 20 2018, 02:50 PM
Post
#2
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914-6 GT in waiting Group: Members Posts: 19,271 Joined: 19-September 09 From: Landenberg, PA/Wilmington, DE Member No.: 10,825 Region Association: MidAtlantic Region |
I already have 94mm Mahle P&C's, 2.0 crank and a FI cam kit. I'm wondering if any of those things will make a difference if I rebuild the engine. If it's little to none, or not a combo that will work, I won't bother. If I could get another 15hp, well that's a 20% increase on that engine so It would be worth it to me.
I have a 250lb weight reduction planned (on paper) so a little boost with a much lighter car would make it fun. |
rgalla9146 |
Nov 21 2018, 04:58 PM
Post
#3
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Advanced Member Group: Members Posts: 4,552 Joined: 23-November 05 From: Paramus NJ Member No.: 5,176 Region Association: None |
I already have 94mm Mahle P&C's, 2.0 crank and a FI cam kit. I'm wondering if any of those things will make a difference if I rebuild the engine. If it's little to none, or not a combo that will work, I won't bother. If I could get another 15hp, well that's a 20% increase on that engine so It would be worth it to me. I have a 250lb weight reduction planned (on paper) so a little boost with a much lighter car would make it fun. What year chassis are you using ? Where will the -250 lb come from ? (IMG:style_emoticons/default/idea.gif) |
mepstein |
Nov 21 2018, 05:15 PM
Post
#4
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914-6 GT in waiting Group: Members Posts: 19,271 Joined: 19-September 09 From: Landenberg, PA/Wilmington, DE Member No.: 10,825 Region Association: MidAtlantic Region |
I already have 94mm Mahle P&C's, 2.0 crank and a FI cam kit. I'm wondering if any of those things will make a difference if I rebuild the engine. If it's little to none, or not a combo that will work, I won't bother. If I could get another 15hp, well that's a 20% increase on that engine so It would be worth it to me. I have a 250lb weight reduction planned (on paper) so a little boost with a much lighter car would make it fun. What year chassis are you using ? Where will the -250 lb come from ? (IMG:style_emoticons/default/idea.gif) A ‘71 Here are some of the things I came up with to remove 250-300 lbs. not all of the items are practical, reasonable or cost effective but it was just spitballing while waiting on a flight home. A 300lb / 15% weight reduction would make a pretty good difference in acceleration, braking and handling without changing the brakes, engine or suspension. 10 - Firewall pad 10 - floor tar 60 - lids 10 - engine lid 5 - rockers 20 - glass bumpers 20 - targa top 5 - carpet 15 - exhaust 10 - Backpad 20 - air control 5 - door hardware 185 10 - Seat sliders 5 - interior padding 20 - headlights 10 - steel crossbar 10 - Heat flappers & lever 30 - battery and 5 - battery tray 265 20- Headers 310 Additional items- Pedal board Targa latches Vent window & trim Shortened sub dash Sun visors Glove box & ashtray Trunk locks F & R Glove box lock Windshield wipers Windshield washer Trunk heat shield ? Brake caliper shields Radio & speakers Engine lid latch & cable Front trunk latch & cable Front carpet board Spare tire Center tunnel covers Shift knob Antenna |
rgalla9146 |
Nov 21 2018, 06:02 PM
Post
#5
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Advanced Member Group: Members Posts: 4,552 Joined: 23-November 05 From: Paramus NJ Member No.: 5,176 Region Association: None |
I already have 94mm Mahle P&C's, 2.0 crank and a FI cam kit. I'm wondering if any of those things will make a difference if I rebuild the engine. If it's little to none, or not a combo that will work, I won't bother. If I could get another 15hp, well that's a 20% increase on that engine so It would be worth it to me. I have a 250lb weight reduction planned (on paper) so a little boost with a much lighter car would make it fun. What year chassis are you using ? Where will the -250 lb come from ? (IMG:style_emoticons/default/idea.gif) A ‘71 Here are some of the things I came up with to remove 250-300 lbs. not all of the items are practical, reasonable or cost effective but it was just spitballing while waiting on a flight home. A 300lb / 15% weight reduction would make a pretty good difference in acceleration, braking and handling without changing the brakes, engine or suspension. 10 - Firewall pad 10 - floor tar 60 - lids 10 - engine lid 5 - rockers 20 - glass bumpers 20 - targa top 5 - carpet 15 - exhaust 10 - Backpad 20 - air control 5 - door hardware 185 10 - Seat sliders 5 - interior padding 20 - headlights 10 - steel crossbar 10 - Heat flappers & lever 30 - battery and 5 - battery tray 265 20- Headers 310 Additional items- Pedal board Targa latches Vent window & trim Shortened sub dash Sun visors Glove box & ashtray Trunk locks F & R Glove box lock Windshield wipers Windshield washer Trunk heat shield ? Brake caliper shields Radio & speakers Engine lid latch & cable Front trunk latch & cable Front carpet board Spare tire Center tunnel covers Shift knob Antenna Yeah, that'll do it. |
mepstein |
Nov 21 2018, 06:16 PM
Post
#6
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914-6 GT in waiting Group: Members Posts: 19,271 Joined: 19-September 09 From: Landenberg, PA/Wilmington, DE Member No.: 10,825 Region Association: MidAtlantic Region |
I already have 94mm Mahle P&C's, 2.0 crank and a FI cam kit. I'm wondering if any of those things will make a difference if I rebuild the engine. If it's little to none, or not a combo that will work, I won't bother. If I could get another 15hp, well that's a 20% increase on that engine so It would be worth it to me. I have a 250lb weight reduction planned (on paper) so a little boost with a much lighter car would make it fun. What year chassis are you using ? Where will the -250 lb come from ? (IMG:style_emoticons/default/idea.gif) A ‘71 Here are some of the things I came up with to remove 250-300 lbs. not all of the items are practical, reasonable or cost effective but it was just spitballing while waiting on a flight home. A 300lb / 15% weight reduction would make a pretty good difference in acceleration, braking and handling without changing the brakes, engine or suspension. 10 - Firewall pad 10 - floor tar 60 - lids 10 - engine lid 5 - rockers 20 - glass bumpers 20 - targa top 5 - carpet 15 - exhaust 10 - Backpad 20 - air control 5 - door hardware 185 10 - Seat sliders 5 - interior padding 20 - headlights 10 - steel crossbar 10 - Heat flappers & lever 30 - battery and 5 - battery tray 265 20- Headers 310 Additional items- Pedal board Targa latches Vent window & trim Shortened sub dash Sun visors Glove box & ashtray Trunk locks F & R Glove box lock Windshield wipers Windshield washer Trunk heat shield ? Brake caliper shields Radio & speakers Engine lid latch & cable Front trunk latch & cable Front carpet board Spare tire Center tunnel covers Shift knob Antenna Yeah, that'll do it. Trying to think about everything that doesn’t make it stop or go but easily reversible mods. |
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