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  1. Darthemi75

    360 .... Looking for 9.5 - 9.8 Compression ratio

    I have 360(Std bore) with KB hype .flat top pistons, and i looking to make 9.5-9.8 compression ratio with my J Heads # 3418915(millodon 2.02-1.60). My question is: How much chamber CC including my gasket do i need?.... to make 9.5-9.8 compression ratio????
  2. Darthemi75

    360 ring gap kb STD

    i have a 360 KB hyper STD pistons (4 bore) What ring end gap is better for an street mopar: 1 ring= ? 2 ring= ? 3 ring= ?
  3. Darthemi75

    No brakes on my 440

    I have a 440 on my dart and it doesnt stop..... i use a vacuum gauge and see that my engine no produce more than 5 inches of vacuum...... i use the vacuum of other car with a hose to check my brake booster...and my car stops great. I dont know what is the problem....a friend tell me that i...
  4. Darthemi75

    318 ring gap

    318- 0.30 piston Speed pro Hyper. What ring gap use?????? for the 1-2-3-ring...
  5. Darthemi75

    Best Manifold for a street strip car

    Which is the best manifold for a 360 engine: cam: 284-284 MP DCC-4120231 - rpm 2600-6000 4 speed trans roller rocker 1.5 Single plane or dual plane? someone said depends on your cam Operating RPM Range.. is that correct or not?
  6. Darthemi75

    440 ring gap

    I bouth a set of kb237 flat top hypereutectic pistones for my 440 .030 Original Chrysler Manual says .013-.023 ring gap but i dont know what is the best for a street car. Whats your recommended ring gap for first, second and third rings. Thanks
  7. Darthemi75

    Camshaft comp cams bend or not

    i bought a comp cams 268-280 cam for my 440, and the person who is building is using a clock to measure the part in the cam where the the bearings go. He told me that in the center it has 9-10 thousandth of variation and the ones on the sides have 7 of variation. Is the cam bend or not?
  8. Darthemi75

    440 comp ratio..!!!!!

    I am building a 440 (all stock with 906 heads) with 237 KB pistons. I want to know how much comp ratio i am going to get with this pistons. Because i dont want to have gas octane problems.
  9. Darthemi75

    MOPAR STORES IN MIAMI----- help

    HI, my friend is on miami , and he is looking for a store that have parts for his mopar car, he just found only murray´s. PLEASE TELL ME SOME addresses. thanks
  10. Darthemi75

    360 manifold KMJ vs Eddy

    I am looking for a RPM air gap manifold, I know the edelbrock´s but there is a brand KMJ PERFORMANCE that makes the same manifold..... please.. are there differences?.. Which are better KMJ or eddy..Why?
  11. Darthemi75

    Springs for a MP cam 284

    i have the Mopar Performance P4120231 360 small block - Duration 284/284, Lift .484/.484, and i am looking for a set of valve springs. Please recomend me a brand (code).... cheapper Thanks
  12. Darthemi75

    440 build for a Dart

    I found a 440 4-barrel in a GTX 1970 with 2843906 heads, and i want to make a good restoration of this engine. I am looking for a set of pistons in 0.30, but i dont know which are the best for my build project (brand and code). Because i dont want to loose the 375 hp. The camshaft is in bad...
  13. Darthemi75

    440 restoration for my Dart

    I found a 440 4-barrel in a GTX 1970, and i want to make a good restoration of this engine. I am looking for a set of pistons in 0.20, but i dont know which are the best for my restoration project. Because i dont want to loose the 375 hp.... The camshaft is in bad conditions, i think this MP...
  14. Darthemi75

    Just 4100 RPM... for a 318

    HI, I have a 318 1975(1969 cyli heads) with: Eddy Manifold Performance Eddy 600 cfm Eddy chain Hedman heders MP cam 268-272 Eddy Springs. 8.25 rear end 3.55 posi 904 torquerflite I dont know why my car make all shifts at 4100 rpm? i check the throttle cable and change my ignition box, and...
  15. Darthemi75

    360 race engine help

    I have a 360 engine, and i like to make a race street car. My idea is to use my 340 heads 2.02.... with the RPM air gap manifold, but which is the best camshaft for my combination (in my garage i have mopar 284 and the 268 cam´s) or what other recomend me to use. The other question is which...
  16. Darthemi75

    360 street car Help

    I have a 360 engine, and i like to make a race street car. My idea is to use my 340 heads 2.02.... with the RPM air gap manifold, but which is the best camshaft for my combination (in my garage i have mopar 284 and the 268 cam) or what other recomend me to use. The other question is which piston...
  17. Darthemi75

    340 heads Info

    i found this heads: 3418915-h, 3418915-g in a challenger 340 pistol grip, Why one have a H and the other a G?.... which valves size come on it... Thanks
  18. Darthemi75

    Need Help for my 318

    I have a Dodge Dart Sport 1975, and i have this parts working now: 318 engine 1975 low compres (put 1970 heads). 268-272 mopar camshaft and lifters hydraulic Edelbrock Performance manifold 600 cfm edelbrock carb Edelbrock springs Edelbrock chain Hedman Hedders 904 torquerflite 3.55 posi rear end...
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